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Commit Graph

135524 Commits

Author SHA1 Message Date
Dave Airlie
57387177a3 Merge branch 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux into drm-fixes
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux:
  drm/i915: support 32 bit BGR formats in sprite planes
  drm/i915: fix color order for BGR formats on SNB
  drm/gma500: Fix Cedarview boot failures in 3.3-rc
2012-03-14 18:32:27 +00:00
Guenter Roeck
fecfb64422 hwmon: (zl6100) Enable interval between chip accesses for all chips
Intersil reports that all chips supported by the zl6100 driver require
an interval between chip accesses, even ZL2004 and ZL6105 which were thought
to be safe.

Reported-by: Vivek Gani <vgani@intersil.com>
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-14 09:17:03 -07:00
Nicholas Bellinger
00fdc6bbef iscsi-target: Fix reservation conflict -EBUSY response handling bug
This patch addresses a iscsi-target specific bug related to reservation conflict
handling in iscsit_handle_scsi_cmd() that has been causing reservation conflicts
to complete and not fail as expected due to incorrect errno checking.  The problem
occured with the change to return -EBUSY from transport_generic_cmd_sequencer() ->
transport_generic_allocate_tasks() failures, that broke iscsit_handle_scsi_cmd()
checking for -EINVAL in order to invoke a non GOOD status response.

This was manifesting itself as data corruption with legacy SPC-2 reservations,
but also effects iscsi-target LUNs with SPC-3 persistent reservations.

This bug was originally introduced in lio-core commit:

commit 03e98c9eb9
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date:   Fri Nov 4 02:36:16 2011 -0700

    target: Address legacy PYX_TRANSPORT_* return code breakage

Reported-by: Martin Svec <martin.svec@zoner.cz>
Cc: Martin Svec <martin.svec@zoner.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-03-13 21:43:58 -07:00
Nicholas Bellinger
087a03b3ea target: Fix compatible reservation handling (CRH=1) with legacy RESERVE/RELEASE
This patch addresses a bug with target_check_scsi2_reservation_conflict()
return checking in target_scsi2_reservation_[reserve,release]() that was
preventing CRH=1 operation from silently succeeding in the two special
cases defined by SPC-3, and not failing with reservation conflict status
when dealing with legacy RESERVE/RELEASE + active SPC-3 PR logic.

Also explictly set cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT during
the early non reservation holder failure from pr_ops->t10_seq_non_holder()
check in transport_generic_cmd_sequencer() for fabrics that already expect
it to be set.

This bug was originally introduced in mainline commit:

commit eacac00ce5
Author: Christoph Hellwig <hch@infradead.org>
Date:   Thu Nov 3 17:50:40 2011 -0400

    target: split core_scsi2_emulate_crh

Reported-by: Martin Svec <martin.svec@zoner.cz>
Cc: Martin Svec <martin.svec@zoner.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-03-13 21:43:43 -07:00
Linus Torvalds
b8fa7d410a Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking changes from David Miller:
 "The most important bit here is the TCP syncookies issue, which seems
  to have been busted for some time.  That fix has been verified in
  production by the reporter.

  1) Persistent TUN devices erroneously hold on to the network namespace
     in such a way that it cannot be shutdown.  Fix from Stanislav
     Kinsbursky with help from Eric Dumazet.

  2) TCP SYN cookies have been broken for a while due to how the route
     lookup flow key is managed, connections can be delayed by as much
     as 20 seconds due to this bug.  Fix from Eric Dumazet.

  3) Missing jiffies.h include in lib/dynamic_queue_limits.c can break
     the build, from Tom Herbert.

  4) Add USB device ID for Sitecom LN-031, from Joerg Neikes.

  5) Fix OOPS in delayed workqueue in iwlegacy, from Stanislaw Gruszka.

  6) rt2x00 TX queue can be disabled forever due to races, fix by
     synchronizing pause/unpause with a lock.  Also from Stanislaw
     Gruszka.

  7) Statistics and endian fix in bnx2x driver from Yuval Mintz, Eilon
     Greenstein, and Ariel Elior."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  tun: don't hold network namespace by tun sockets
  bnx2x: FCoE statistics id fixed
  bnx2x: dcb bit indices flags used as bits
  bnx2x: added cpu_to_le16 when preparing ramrod's data
  bnx2x: pfc statistics counts pfc events twice
  rt2x00: fix random stalls
  iwl3945: fix possible il->txq NULL pointer dereference in delayed works
  dql: Fix undefined jiffies
  tcp: fix syncookie regression
  usb: asix: Patch for Sitecom LN-031
2012-03-13 17:57:07 -07:00
John W. Linville
750084b51b Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem 2012-03-13 14:38:51 -04:00
Jean Delvare
aacb6b0052 hwmon: (w83627ehf) Fix temp2 source for W83627UHG
Properly set the source of temp2 for the W83627UHG. Also fix a
comment right before that, and document the W83627UHG as reporting up
to 3 temperatures.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-03-13 03:30:56 -07:00
Linus Torvalds
2f1c2b8155 Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platfrm driver fixes from Matthew Garrett:
 "Some trivial patches that fix wifi on some Lenovos and avoid a
  potential memory corruption issue on some Panasonics, plus two
  straightforward new drivers that touch no existing code."

* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
  panasonic-laptop: avoid overflow in acpi_pcc_hotkey_add()
  acer-wmi: No wifi rfkill on Lenovo machines
  Fujitsu tablet extras driver
  x86: Add amilo-rfkill driver for some Fujitsu-Siemens Amilo laptops
2012-03-12 22:59:34 -07:00
Linus Torvalds
0ae5eaf103 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Pull PCI changes from Jesse Barnes:
 "A single fix for a regression that affects some people who try to
  disable ASPM for whatever reason."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci:
  PCI: ignore pre-1.1 ASPM quirking when ASPM is disabled
2012-03-12 22:53:37 -07:00
Linus Torvalds
212ad2f5f9 SuperH fixes for 3.3-rc.
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
  sh-sci / PM: Avoid deadlocking runtime PM
  sh: fix up the ubc clock definition for sh7785.
  sh: add parameter for RSPI in clock-sh7757
  sh: Fix sh2a vbr table for more than 255 irqs
2012-03-12 22:50:20 -07:00
Stanislav Kinsbursky
1ab5ecb90c tun: don't hold network namespace by tun sockets
v3: added previously removed sock_put() to the tun_release() callback, because
sk_release_kernel() doesn't drop the socket reference.

v2: sk_release_kernel() used for socket release. Dummy tun_release() is
required for sk_release_kernel() ---> sock_release() ---> sock->ops->release()
call.

TUN was designed to destroy it's socket on network namesapce shutdown. But this
will never happen for persistent device, because it's socket holds network
namespace.
This patch removes of holding network namespace by TUN socket and replaces it
by creating socket in init_net and then changing it's net it to desired one. On
shutdown socket is moved back to init_net prior to final put.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-12 17:14:00 -07:00
Yuval Mintz
de5c37414a bnx2x: FCoE statistics id fixed
FCoE statistics ids were distinguished from the L2's statistics ids.
However, not all of the change was committed. This causes a possible
collision of indices when FCoE is present.

This patch fixes the issue.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-12 17:01:25 -07:00
Yuval Mintz
e695a2dda1 bnx2x: dcb bit indices flags used as bits
DCB flags were updated using the flags' bit offsets instead of
the actual bits. This is now fixed.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-12 17:01:25 -07:00
Ariel Elior
ab4a71392e bnx2x: added cpu_to_le16 when preparing ramrod's data
Fixed endianess issue when passing arguments to FW.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-12 17:01:25 -07:00
Yuval Mintz
db0ea84845 bnx2x: pfc statistics counts pfc events twice
When pfc statistics were counted, the delta change from last count
was summed twice. This fixes the issue.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-12 17:01:25 -07:00
Guenter Roeck
32260d9440 hwmon: (w83627ehf) Fix memory leak in probe function
The driver probe function leaked memory if creating the cpu0_vid attribute file
failed. Fix by converting the driver to use devm_kzalloc.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 2.6.32+
Acked-by: Jean Delvare <khali@linux-fr.org>
2012-03-12 12:41:44 -07:00
Stanislaw Gruszka
3780d038fd rt2x00: fix random stalls
Is possible that we stop queue and then do not wake up it again,
especially when packets are transmitted fast. That can be easily
reproduced with modified tx queue entry_num to some small value e.g. 16.

If mac80211 already hold local->queue_stop_reason_lock, then we can wait
on that lock in both rt2x00queue_pause_queue() and
rt2x00queue_unpause_queue(). After drooping ->queue_stop_reason_lock
is possible that __ieee80211_wake_queue() will be performed before
__ieee80211_stop_queue(), hence we stop queue and newer wake up it
again.

Another race condition is possible when between rt2x00queue_threshold()
check and rt2x00queue_pause_queue() we will process all pending tx
buffers on different cpu. This might happen if for example interrupt
will be triggered on cpu performing rt2x00mac_tx().

To prevent race conditions serialize pause/unpause by queue->tx_lock.

Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:00:17 -04:00
Stanislaw Gruszka
210787e82a iwl3945: fix possible il->txq NULL pointer dereference in delayed works
On il3945_down procedure we free tx queue data and nullify il->txq
pointer. After that we drop mutex and then cancel delayed works. There
is possibility, that after drooping mutex and before the cancel, some
delayed work will start and crash while trying to send commands to
the device. For example, here is reported crash in
il3945_bg_reg_txpower_periodic():
https://bugzilla.kernel.org/show_bug.cgi?id=42766#c10

Patch fix problem by adding il->txq check on works that send commands,
hence utilize tx queue.

Reported-by: Clemens Eisserer <linuxhippy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-12 14:00:16 -04:00
Guenter Roeck
33fa9b6204 hwmon: (w83627ehf) Fix writing into fan_stop_time for NCT6775F/NCT6776F
NCT6775F and NCT6776F have their own set of registers for FAN_STOP_TIME. The
correct registers were used to read FAN_STOP_TIME, but writes used the wrong
registers. Fix it.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: Jean Delvare <khali@linux-fr.org>
2012-03-12 10:40:30 -07:00
Xi Wang
e424fb8cc4 panasonic-laptop: avoid overflow in acpi_pcc_hotkey_add()
num_sifr could go negative since acpi_pcc_get_sqty() returns -EINVAL
on error.  Then it could bypass the sanity check (num_sifr > 255).
The subsequent call to kzalloc() would allocate a small buffer, leading
to a memory corruption.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-03-12 10:25:51 -04:00
Ike Panhc
461e74377c acer-wmi: No wifi rfkill on Lenovo machines
We have several reports which says acer-wmi is loaded on ideapads
and register rfkill for wifi which can not be unblocked.

Since ideapad-laptop also register rfkill for wifi and it works
reliably, it will be fine acer-wmi is not going to register rfkill
for wifi once VPC2004 is found.

Also put IBM0068/LEN0068 in the list. Though thinkpad_acpi has no
wifi rfkill capability, there are reports which says acer-wmi also
block wireless on Thinkpad E520/E420.

Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-03-12 09:58:02 -04:00
Robert Gerlach
2d24c49080 Fujitsu tablet extras driver
This patch adds support for some of the devices within a wide variety
of Fujitsu Tablet Computers, both convertibles and slates. Primarily
it allows for the automatic detection of the tablet/notebook mode for
convertible tablet pc's, and orientation for docked slates. It also
adds support for the application panel buttons usually found next to
the tablet screen, and docking station detection for slates.

Signed-off-by: Robert Gerlach <khnz@gmx.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-03-12 09:57:52 -04:00
Ben Hutchings
c215ab9a75 x86: Add amilo-rfkill driver for some Fujitsu-Siemens Amilo laptops
An rfkill driver based on the fsaa1655g and fsam7440 drivers for
Fujitsu-Siemens Amilo A1655 and M7440 models found at:

http://sourceforge.net/projects/fsaa1655g/
http://sourceforge.net/projects/fsam7440/

This adds DMI matching, replaces the procfs files with rfkill devices,
and uses the proper functions to write to the i8042 safely.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
2012-03-12 09:56:47 -04:00
Joerg Neikes
4e50391968 usb: asix: Patch for Sitecom LN-031
This patch adds support for the Sitecom LN-031 USB adapter with a AX88178 chip.

Added USB id to find correct driver for AX88178 1000 Ethernet adapter.

Signed-off-by: Joerg Neikes <j.neikes@midlandgate.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-11 15:52:12 -07:00
Axel Lin
9365121869 regulator: da9052: Ensure the selected voltage falls within the specified range
Integer division may truncate the result, use DIV_ROUND_UP to ensure the
selected voltage falls within the specified range.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:39:10 +00:00
Axel Lin
7b95765495 regulator: Set n_voltages for da9052 regulators
The n_voltages setting for all LDOs and DCDCs are missing in current code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
2012-03-11 20:39:04 +00:00
Axel Lin
f03570cf17 regulator: Fix setting selector in tps6524x set_voltage function
Don't assign the voltage to selector.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
2012-03-11 20:38:10 +00:00
Jesper Juhl
f1ed321944 [media] [trivial] DiB0090: remove redundant '; ' from dib0090_fw_identify()
One semi-colon is enough.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-11 09:40:44 -03:00
Linus Torvalds
0cacaf51a0 IOMMU fixes for Linux v3.3-rc6
Two fixes are queued up. The first is an additional fix for the OMAP
 initialization order issue and the second patch fixes a possible section
 mismatch which can lead to a kernel crash in the AMD IOMMU driver when
 suspend/resume is used and the compiler has not inlined the
 iommu_set_device_table function.
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Merge tag 'iommu-fixes-v3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull two IOMMU fixes from Joerg Roedel:
 "The first is an additional fix for the OMAP initialization order issue
  and the second patch fixes a possible section mismatch which can lead
  to a kernel crash in the AMD IOMMU driver when suspend/resume is used
  and the compiler has not inlined the iommu_set_device_table function."

* tag 'iommu-fixes-v3.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  x86/amd: iommu_set_device_table() must not be __init
  ARM: OMAP: fix iommu, not mailbox
2012-03-09 07:26:25 -08:00
Linus Torvalds
45b8da90f2 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull radeon drm stuff from Dave Airlie:
 "Just some radeon fixes, one is for an oops where we run out of ioremap
  space on some big hardware systems in 32-bit mode, stuff doesn't work
  properly but at least the machine will boot.

  One regression fix, and two bugs, one hw, one blit code."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms: fix hdmi duallink checks
  drm/radeon/kms: set SX_MISC in the r6xx blit code (v2)
  drm/radeon: deal with errors from framebuffer init path.
  drm/radeon: fix a semaphore deadlock on pre cayman asics
2012-03-09 07:23:17 -08:00
Linus Torvalds
e304dfdb03 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking from David Miller:

1) IPV4 routing metrics can become stale when routes are changed by the
   administrator, fix from Steffen Klassert.

2) atl1c does "val |= XXX;" where XXX is a bit number not a bit mask,
   fix by using set_bit.  From Dan Carpenter.

3) Memory accounting bug in carl9170 driver results in wedged TX queue.
   Fix from Nicolas Cavallari.

4) iwlwifi accidently uses "sizeof(ptr)" instead of "sizeof(*ptr)", fix
   from Johannes Berg.

5) Openvswitch doesn't honor dp_ifindex when doing vport lookups, fix
   from Ben Pfaff.

6) ehea conversion to 64-bit stats lost multicast and rx_errors
   accounting, fix from Eric Dumazet.

7) Bridge state transition logging in br_stp_disable_port() is busted,
   it's emitted at the wrong time and the message is in the wrong tense,
   fix from Paulius Zaleckas.

8) mlx4 device erroneously invokes the queue resize firmware operation
   twice, fix from Jack Morgenstein.

9) Fix deadlock in usbnet, need to drop lock when invoking usb_unlink_urb()
   otherwise we recurse into taking it again.  Fix from Sebastian Siewior.

10) hyperv network driver uses the wrong driver name string, fix from
    Haiyang Zhang.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  net/hyperv: Use the built-in macro KBUILD_MODNAME for this driver
  net/usbnet: avoid recursive locking in usbnet_stop()
  route: Remove redirect_genid
  inetpeer: Invalidate the inetpeer tree along with the routing cache
  mlx4_core: fix bug in modify_cq wrapper for resize flow.
  atl1c: set ATL1C_WORK_EVENT_RESET bit correctly
  bridge: fix state reporting when port is disabled
  bridge: br_log_state() s/entering/entered/
  ehea: restore multicast and rx_errors fields
  openvswitch: Fix checksum update for actions on UDP packets.
  openvswitch: Honor dp_ifindex, when specified, for vport lookup by name.
  iwlwifi: fix wowlan suspend
  mwifiex: reset encryption mode flag before association
  carl9170: fix frame delivery if sta is in powersave mode
  carl9170: Fix memory accounting when sta is in power-save mode.
2012-03-09 07:14:44 -08:00
Rafael J. Wysocki
048be431e4 sh-sci / PM: Avoid deadlocking runtime PM
The runtime PM of sh-sci devices is enabled when sci_probe() returns,
so the pm_runtime_put_sync() executed by driver_probe_device()
attempts to suspend the device.  Then, in some situations, a
diagnostic message is printed to the console by one of the runtime
suspend routines handling the sh-sci device, which causes synchronous
runtime resume to be started from the device's own runtime suspend
callback.  This causes rpm_resume() to be run eventually, which sees
the RPM_SUSPENDING status set by rpm_suspend() and waits for it to
change.  However, the device's runtime PM status cannot change at
that point, because the routine that has set it waits for the
rpm_suspend() to return.  A deadlock occurs as a result.

To avoid that make sci_init_single() increment the device's
runtime PM usage counter, so that it cannot be suspended by
driver_probe_device().  That counter has to be decremented
eventually, so make sci_startup() do that before starting to
actually use the device and make sci_shutdown() increment it
again before returning to balance the incrementation carried out by
sci_startup().

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-03-09 12:59:44 +09:00
Linus Torvalds
9a0cee7114 Another small, clear fix in a specific driver.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fix from Mark Brown:
 "Another small, clear fix in a specific driver."

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: tps65910: Configure correct value for VDDCTRL vout reg
2012-03-08 17:25:17 -08:00
Linus Torvalds
ee0849c911 Minor bug fixes and documentation updates for v3.3-rc5
Fixes up a duplicate #include, adds an empty implementation of
 of_find_compatible_node() and make git ignore .dtb files.  And fix
 up bus name on OF described PHYs.  Nothing exciting here.
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull minor devicetree bug fixes and documentation updates from Grant Likely:
 "Fixes up a duplicate #include, adds an empty implementation of
  of_find_compatible_node() and make git ignore .dtb files.  And fix up
  bus name on OF described PHYs.  Nothing exciting here."

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  doc: dt: Fix broken reference in gpio-leds documentation
  of/mdio: fix fixed link bus name
  of/fdt.c: asm/setup.h included twice
  of: add picochip vendor prefix
  dt: add empty of_find_compatible_node function
  ARM: devicetree: Add .dtb files to arch/arm/boot/.gitignore
2012-03-08 17:24:27 -08:00
Linus Torvalds
7d77696e92 SPI section mismatch bug fix for v3.3-rc3
Russell King (1):
       Fix section mismatch in spi-pl022.c
 
 Minor fix for pl022_dma_probe() function which was put in the wrong section.
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Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6

Pull SPI section mismatch bug fix for v3.3-rc3 from Grant Likely:
 "Minor fix for pl022_dma_probe() function which was put in the wrong
  section."

* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  Fix section mismatch in spi-pl022.c
2012-03-08 17:23:45 -08:00
Linus Torvalds
42a6c7ef3b Four patches since v3.3-rc6:
1bd612a hwmon: (jc42) Add support for AT30TS00, TS3000GB2, TSE2002GB2, and MCP9804
 7ad6307 hwmon: (zl6100) Maintain delay parameter in driver instance data
 7cb3c44 hwmon: (pmbus_core) Fix maximum number of POUT alarm attributes
 4de8612 hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull four hwmon patches from Guenter Roeck

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (jc42) Add support for AT30TS00, TS3000GB2, TSE2002GB2, and MCP9804
  hwmon: (zl6100) Maintain delay parameter in driver instance data
  hwmon: (pmbus_core) Fix maximum number of POUT alarm attributes
  hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000
2012-03-08 17:22:54 -08:00
Linus Torvalds
5d0edf2915 Device-mapper fixes for 3.3.
Eight small device-mapper bug fixes.
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Merge tag 'dm-3.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm

Pull device-mapper fixes for 3.3 from Alasdair Kergon

Eight small device-mapper bug fixes.

* tag 'dm-3.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm raid: fix flush support
  dm raid: set MD_CHANGE_DEVS when rebuilding
  dm thin metadata: decrement counter after removing mapped block
  dm thin metadata: unlock superblock in init_pmd error path
  dm thin metadata: remove incorrect close_device on creation error paths
  dm flakey: fix crash on read when corrupt_bio_byte not set
  dm io: fix discard support
  dm ioctl: do not leak argv if target message only contains whitespace
2012-03-08 17:21:51 -08:00
Haiyang Zhang
d31b20fcc8 net/hyperv: Use the built-in macro KBUILD_MODNAME for this driver
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Olaf Hering <olaf@aepfle.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-08 13:55:27 -08:00
Sander Eikelenboom
632fba4d01 [media] cx25821: Add a card definition for "No brand" cards that have: subvendor = 0x0000 subdevice = 0x0000
Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 12:42:28 -03:00
Javier Martin
0f67a03ff6 [media] media: tvp5150: support g_mbus_fmt callback
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 12:07:14 -03:00
Javier Martin
963ddc63e2 [media] media: tvp5150: Add cropping support
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 12:06:56 -03:00
Ezequiel García
d994c46d43 [media] staging: easycap: Fix incorrect comment
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:32:55 -03:00
Ezequiel García
2bc1e212b3 [media] staging: easycap: Clean comment style in easycap_usb_probe()
Some of these comments may still need to be reviewed.
This patch only cleans the comment style.

Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:32:43 -03:00
Paolo Pantò
9d1760059f [media] rtl28xxu: add another Freecom usb id
Besides sticks with the usb id 14AA:0160, there exists also some
with 14AA:0161 - this is the output in /var/log/messages:

usb 1-1: new high-speed USB device number 2 using ehci_hcd
usb 1-1: New USB device found, idVendor=14aa, idProduct=0161
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 1-1: Product: Freecom DVB-T
usb 1-1: Manufacturer: Freecom DVB-T
usb 1-1: SerialNumber: 00000000000036742

The patch is based on the code at
http://git.linuxtv.org/anttip/media_tree.git/shortlog/refs/heads/realtek

Signed-off-by: Paolo Pantò <munix9@googlemail.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:26:10 -03:00
Santosh Nayak
3907b01997 [media] Driver: video: Use the macro DMA_BIT_MASK()
Use the macro DMA_BIT_MASK instead of the constant  0xffffffff.

Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:25:41 -03:00
Gianluca Gennari
d138210ffa [media] smsdvb: fix get_frontend
In the get_frontend function, an internal copy of the dtv_frontend_properties
struct (which is never initialized) is copied over the frontend property cache
data structure, resetting everything to 0.
In particular, the delivery system is reset to 0 (which is an invalid value)
so the driver stops working as soon as a DVBv3 application calls the
get_frontend function, giving this error:

dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to delivery
system 0

This patch eliminates the unused internal copy of the dtv_frontend_properties
struct, and gives a proper implementation of the get_frontend function.

The original author of the patch is Panagiotis Malakoudis, who also tested
this new version on Ubuntu 11.10 with the latest media_build tree installed.
The original patch has been used on MIPS set-top-boxes for over one year,
but it was never posted on the linux-media list.
I ported the code to the current media_build tree (converting it to use the
dtv_frontend_properties struct) and added basic support for ISDB-T (untested).

Signed-off-by: Panagiotis Malakoudis <malakudi@gmail.com>
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:20:12 -03:00
James Hogan
ec9ee8e2dd [media] media: ir-sony-decoder: 15bit function decode fix
The raw Sony IR decoder decodes 15bit messages slightly incorrectly.
To decode the function number, it shifts the bits right by 7 so that the
function is in bits 7:1, masks with 0xFD (0b11111101), and does an 8 bit
reverse so it ends up in bits 6:0. The mask should be 0xFE to correspond
with bits 7:1 (0b11111110).

The old mask had the effect of dropping the MSB of the function number
from bit 6, and leaving the LSB of the device number in bit 7.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:16:21 -03:00
Ravi Kumar V
fd0f6851eb [media] rc: Add support for GPIO based IR Receiver driver
Adds GPIO based IR Receiver driver. It decodes signals using decoders
available in rc framework.

Signed-off-by: Ravi Kumar V <kumarrav@codeaurora.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:14:10 -03:00
Masanari Iida
c5f79f6a0c [media] [trivial] davinci: Fix typo in dm355_ccdvc.c
Correct spelling "thresold" to "threshold" in
drivers/media/video/davinci/dm355_ccdc.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:09:29 -03:00
Danny Kukawka
b3f5badaa1 [media] cx18-driver: fix handling of 'radio' module parameter
Reverse cx18-driver part of commit
90ab5ee941 and change
module_param_array() type from bool to int to fix
compiler warning:

In function ‘__check_radio’:
113:1: warning: return from incompatible pointer type [enabled by default]
At top level:
113:1: warning: initialization from incompatible pointer type [enabled by default]
113:1: warning: (near initialization for ‘__param_arr_radio.num’) [enabled by default]

v2: corrected version, don't change to module_param_named(), change
    all to int/uint

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:07:45 -03:00
Larry Finger
0d47bf5585 [media] ivtv: Fix build warning
In driver ivtv, there is a mismatch between the type of the radio module
parameter and the storage variable, which leads to the following
warning:

  CC [M]  drivers/media/video/ivtv/ivtv-driver.o
drivers/media/video/ivtv/ivtv-driver.c: In function ‘__check_radio’:
drivers/media/video/ivtv/ivtv-driver.c:142: warning: return from incompatible pointer type
drivers/media/video/ivtv/ivtv-driver.c: At top level:
drivers/media/video/ivtv/ivtv-driver.c:142: warning: initialization from incompatible pointer type

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:05:20 -03:00
Hans Verkuil
eb2ba85547 [media] ivtv: simplify how the decoder controls are set up
The code was unnecessarily complex, introducing a hdl_out handler that was
not needed. Instead just add the controls to the cxhdl.hdl handler directly.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:03:51 -03:00
Hans Verkuil
072e660257 [media] v4l2-ctrls: v4l2_ctrl_add_handler should add all refs
Currently v4l2_ctrl_add_handler adds only the controls that are owned
by the handler. This is wrong. Instead all controls, whether owned or
not, should be added.

This is also implied by the v4l2-controls.txt documentation and it is
clearly the right thing to do. The only reason this was never noticed
before is because we never did this. Only recent changes in ivtv made
this error visible because there a third handler layer was added (handler
A inherits from handler B which inherits from C, D and E). Without this
change handler A only sees the controls owned by handler B and the controls
from C, D and E are missing.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:03:26 -03:00
Kyle Strickland
25fa207157 [media] Add support for KWorld PC150-U ATSC hybrid tuner card
[mchehab@redhat.com: CodingStyle fixes]
Signed-off-by: Kyle Strickland <kyle@kyle.strickland.name>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 11:01:25 -03:00
Andy Shevchenko
8d834b526a [media] media: gspca: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:42:08 -03:00
Andy Shevchenko
d377cfcc42 [media] media: ivtv: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:42:03 -03:00
Andy Shevchenko
30fc78bad1 [media] media: saa7164: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:41:57 -03:00
Andy Shevchenko
f0d81f728e [media] media: saa7134: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:41:52 -03:00
Andy Shevchenko
6797e7ad9c [media] media: dvb: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:41:22 -03:00
Andy Shevchenko
0b1876b288 [media] media: tuners: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
  cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:41:15 -03:00
Andy Shevchenko
d94a2c0341 [media] media: video: append $(srctree) to -I parameters
Without this we have got the warnings like following if build with "make W=1
O=/var/tmp":
   CHECK   drivers/media/video/videobuf-vmalloc.c
   CC [M]  drivers/media/video/videobuf-vmalloc.o
 +cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]
 +cc1: warning: drivers/media/dvb/frontends: No such file or directory [enabled by default]
 +cc1: warning: drivers/media/dvb/dvb-core: No such file or directory [enabled by default]
 +cc1: warning: drivers/media/dvb/frontends: No such file or directory [enabled by default]
   LD      drivers/media/built-in.o

Some details could be found in [1] as well.

[1] http://comments.gmane.org/gmane.linux.kbuild.devel/7733

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:40:51 -03:00
Dan Carpenter
3b2a63061e [media] s2255drv: fix some endian bugs
I don't have this hardware and I don't know the subsystem very well.  So
please review this patch carefully.  The original code definitely looks
buggy though.

Sparse complains about some endian bugs where little endian bugs are
treated as cpu endian.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:39:56 -03:00
Dan Carpenter
6c61ac6355 [media] s2255drv: cleanup vidioc_enum_fmt_cap()
"f" wasn't checked consistently, so static checkers complain.  This
function is always called with a valid "f" pointer, so I have removed
the check.

Also the indenting was messed up.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dean Anderson <linux-dev@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:39:56 -03:00
Danny Kukawka
da0af4788c [media] mt9p031.c included media/v4l2-subdev.h twice
drivers/media/video/mt9p031.c included 'media/v4l2-subdev.h' twice,
remove the duplicate.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:39:55 -03:00
Danny Kukawka
cf51674000 [media] adp1653: included linux/module.h twice
drivers/media/video/adp1653.c included 'linux/module.h' twice,
remove the duplicate.

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:39:54 -03:00
James Hogan
df1caa587a [media] rc/ir-raw: use kfifo_rec_ptr_1 instead of kfifo
Raw IR events are passed to the raw event thread through a kfifo. The
size of the event struct is 12 bytes, and space for 512 events is
reserved in the kfifo (6144 bytes), however this is rounded down to 4096
bytes (the next power of 2) by __kfifo_alloc().

4096 bytes is not divisible by 12 therefore if the fifo fills up a third
of a record will be written in the end of the kfifo by
ir_raw_event_store() because the recsize of the fifo is 0 (it doesn't
have records). When this is read by ir_raw_event_thread() a corrupted or
partial record will be read, and in the case of a partial record the
BUG_ON(retval != sizeof(ev)) gets hit too.

According to samples/kfifo/record-example.c struct kfifo_rec_ptr_1 can
handle records of a length between 0 and 255 bytes, so change struct
ir_raw_event_ctrl to use that instead of struct kfifo.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:39:53 -03:00
Javier Martin
750a6dff6e [media] media: i.MX27 camera: Add resizing support
If the attached video sensor cannot provide the
requested image size, try to use resizing engine
included in the eMMa-PrP IP.

This patch supports both averaging and bilinear
algorithms.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:06:44 -03:00
Fabio Estevam
e9de6167fb [media] media: video: mx2_camera.c: Remove unneeded dev_dbg
csi clock frequency is already shown by:

dev_info(&pdev->dev, "MX2 Camera (CSI) driver probed, clock frequency: %ld\n",
		clk_get_rate(pcdev->clk_csi));

,so no need to have the dev_dbg call to present the same information.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:05:51 -03:00
Fabio Estevam
d867be1cc4 [media] media: video: mx2_camera.c: Provide error message if clk_get fails
Provide error message if clk_get fails.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:04:39 -03:00
Javier Martin
560fab62fa [media] media: i.MX27 camera: more efficient discard buffer handling
Some elements of 'mx2_buffer' are grouped together in another
auxiliary structure. This way we don't need to have unused
'vb2_buffer' structures for both discard buffers.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 10:04:10 -03:00
Javier Martin
8886a881e2 [media] media: i.MX27 camera: fix compilation warning
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:46:55 -03:00
Javier Martin
665ad8af8f [media] media: i.MX27 camera: return IRQ_NONE if no IRQ status bit is set
If active_bufs() list is empty and no IRQ status bit is set
we are probably dealing with a share IRQ. Return IRQ_NONE in
this case.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:45:06 -03:00
Javier Martin
8636ead8b2 [media] media: i.MX27 camera: Use spin_lock() inside the IRQ handler
We don't need to use spin_lock_irqsave() since there are not
any other IRQs that can race with this ISR.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:44:00 -03:00
Javier Martin
a654ba16fd [media] media: i.MX27 camera: Use list_first_entry() whenever possible
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
[g.liakhovetski@gmx.de: fix one list_first_entry() instance]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:43:03 -03:00
Javier Martin
d84279e6d7 [media] media i.MX27 camera: handle overflows properly
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:42:31 -03:00
Javier Martin
cdc9d6f191 [media] media i.MX27 camera: improve discard buffer handling
The way discard buffer was previously handled lead
to possible races that made a buffer that was not
yet ready to be overwritten by new video data. This
is easily detected at 25fps just adding "#define DEBUG"
to enable the "memset" check and seeing how the image
is corrupted.

A new "discard" queue and two discard buffers have
been added to make them flow trough the pipeline
of queues and thus provide suitable event ordering.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:41:56 -03:00
Javier Martin
fb51cbdd3e [media] media i.MX27 camera: add start_stream and stop_stream callbacks
Add "start_stream" and "stop_stream" callback in order to enable
and disable the eMMa-PrP properly and save CPU usage avoiding
IRQs when the device is not streaming. This also makes the driver
return 0 as the sequence number of the first frame.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
[g.liakhovetski@gmx.de: remove the mx27_camera_emma() macro]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:40:45 -03:00
Javier Martin
c6a41e3271 [media] media i.MX27 camera: migrate driver to videobuf2
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:37:52 -03:00
Sascha Hauer
2c9ba37d7a [media] V4L: mx2_camera: remove unsupported i.MX27 DMA mode, make EMMA mandatory
The i.MX27 DMA support was introduced with the initial commit of this
driver and originally created by me. However, I never got this stable
due to the racy DMA engine and used the EMMA engine instead. As the DMA
support is most probably unused and broken in its current state, remove
it. EMMA becomes the only supported mode on i.MX27.

This also helps us get rid of another user of the legacy i.MX DMA
support and remove the dependency on ARCH_MX* macros as these are
scheduled for removal.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[g.liakhovetski@gmx.de: remove unused goto]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:37:21 -03:00
Xi Wang
34817174fc [media] lgdt330x: fix signedness error in i2c_read_demod_bytes()
The error handling in lgdt3303_read_status() and lgdt330x_read_ucblocks()
doesn't work, because i2c_read_demod_bytes() returns a u8 and (err < 0)
is always false.

        err = i2c_read_demod_bytes(state, 0x58, buf, 1);
        if (err < 0)
                return err;

Change the return type of i2c_read_demod_bytes() to int.  Also change
the return value on error to -EIO to make (err < 0) work.

Signed-off-by: Xi Wang <xi.wang@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:01:12 -03:00
Masanari Iida
bdb2c41fc1 [media] [trivial]: Fix typo in radio-sf16fmr2.c
Correct spelling "contrls" to "controls" in
drivers/media/radio/radio-sf16fmr2.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:00:30 -03:00
Gianluca Gennari
f8f7be019a [media] as102: map URB DMA addresses in the driver
On a set-top-box based on the Broadcom 7405 SoC (MIPS), the Abilis as102 driver
causes a kernel oops while trying to map the URB stream buffers DMA addresses:

CPU 0 Unable to handle kernel paging request at virtual address 007b9900,
epc == 80010cc4, ra == 8039d108

Call Trace:
[<80010cc4>] mips_dma_map_page+0x14/0x108
[<8039d108>] usb_hcd_map_urb_for_dma+0x338/0x4a8
[<8039d540>] usb_hcd_submit_urb+0x2c8/0x8cc
[<e13655d8>] as102_submit_urb_stream+0x64/0xc8 [dvb_as102]
[<e1365680>] as102_usb_start_stream+0x44/0x80 [dvb_as102]
[<e1363628>] as102_dvb_dmx_start_feed+0xb4/0x17c [dvb_as102]
[<803e20f4>] dmx_ts_feed_start_filtering+0x5c/0x134
[<803de454>] dvb_dmxdev_start_feed+0xd4/0x158
[<803dff28>] dvb_dmxdev_filter_start+0x2b8/0x448
[<803e07ac>] dvb_demux_do_ioctl+0x2a0/0x654
[<803ddc8c>] dvb_usercopy+0x124/0x204
[<800d5284>] do_vfs_ioctl+0xa0/0x6c0
[<800d58e8>] sys_ioctl+0x44/0xa8
[<8000ecfc>] stack_done+0x20/0x40

On other boxes based on older SoCs (7401) this doesn't happen, so it looks like
a bug in the kernel specific to MIPS SMP. This issue has been reproduced on
several kernel versions from 2.6.18 to 3.1.0.

Since the base DMA address and the offsets are known, it is possible to map
the DMA addresses of the URB buffers directly in the driver. This workaround
fixes the problem and has been tested on both MIPS and x86 CPUs with success.

By the way, with this fix the driver works perfectly fine on the set-top-box:
both UHF and VHF frequencies are tuned without problems, and zapping is quite
fast. SNR and signal strength reports seems to work fine, too.

The only remaining problem (on both the PC and the set-top-box) is that after
a soft reboot the device is not recognized again by the kernel. It requires
a power cycle (or a manual unplug/replug) to be recognized again. So probably
the device state is not reset properly at shut-down.

Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 09:00:00 -03:00
Gianluca Gennari
86d38d1e0e [media] em28xx: pre-allocate DVB isoc transfer buffers
On MIPS/ARM set-top-boxes, as well as old x86 PCs, memory allocation failures
in the em28xx driver are common, due to memory fragmentation over time, that
makes impossible to allocate large chunks of coherent memory.
A typical system with 256/512 MB of RAM fails after just 1 day of uptime (see
the old thread for detailed reports and crashlogs).

In fact, the em28xx driver allocates memory for USB isoc transfers at runtime,
as opposite to the dvb-usb drivers that allocates the USB buffers when the
device is initialized, and frees them when the device is disconnected.

Moreover, in digital mode the USB isoc transfer buffers are freed, allocated
and cleared every time the user selects a new channel, wasting time and
resources.

This patch solves both problems by allocating DVB isoc transfer buffers in
em28xx_usb_probe(), and freeing them in em28xx_usb_disconnect().
In fact, the buffers size and number depend only on the max USB packet size
that is parsed from the USB descriptors in em28xx_usb_probe(), so it can
never change for a given device.

This approach makes no sense in analog mode (as the buffer size depends on
the alternate mode selected at runtime), the patch creates two separate sets
of buffers for digital and analog modes.

For digital-only devices, USB buffers are created when the device is probed
and freed when the device is disconnected.
For analog-only devices, nothing changes: isoc buffers are created at runtime.
For hybrid devices, two sets of buffers are maintained: the digital-mode
buffers are created when the device is probed, and freed when the device is
disconnected; analog-mode buffers are created/destroyed at runtime as before.
So, in analog mode, digital and analog buffers coexists at the same time: this
can be justified by the fact that digital mode is by far more commonly used
nowadays, so it makes sense to optimize the driver for this use case scenario.

The patch has been tested in the last few days on a x86 PC and a MIPS
set-top-box, with the PCTV 290e (digital only) and the Terratec Hybrid XS
(hybrid device). With the latter, I switched several times between analog and
digital mode (Kaffeine/TvTime) with no issue at all.
I unplugged/plugged the devices several times with no problem.
Also, after over 3 days of normal usage in the MPIS set-top-box, the PCTV 290e
was still up and running.

Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:57:44 -03:00
Alexey Khoroshilov
0c07aec31a [media] staging: go7007: fix mismatch in mutex lock-unlock in [read|write]_reg_fp
If go7007_usb_vendor_request() fails in write_reg_fp()
or in read_reg_fp(), the usb->i2c_lock mutex left locked.

The patch moves mutex_unlock(&usb->i2c_lock) before check
for go7007_usb_vendor_request() returned value.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:55:39 -03:00
Jean Delvare
06302ffbb4 [media] cx22702: Fix signal strength
The signal strength value returned is not quite correct, it decreases
when I increase the gain of my antenna, and vice versa. It also
doesn't span over the whole 0x0000-0xffff range. Compute a value which
at least increases when signal strength increases, and spans the whole
allowed range.

In practice I get 67% with my antenna fully amplified and 51% with
no amplification. This is close enough to what I get on my other
DVB-T adapter with the same antenna.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:54:42 -03:00
Malcolm Priestley
6c5637e4ed [media] it913x-fe ver 1.15 read signal strenght using reg VAR_P_INBAND
Read signal strength using VAR_P_INBAND and apply FEC preferred values.

Note this does not work on IT9137 devices even with dvb-usb-it9135-01.fw
firmware.

Config read_sl allows switch between read signal strength and signal
level.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:53:39 -03:00
Malcolm Priestley
aaa589fc5e [media] it913x ver 1.27 Allow PID 8192 to turn PID filter off
Allow PID 8192 to turn PID filter off in USB high speed.

The PID number is still written to the PID index and will only
turn on again if that index is set to 0.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:52:56 -03:00
Malcolm Priestley
46f3da990b [media] it913x ver 1.26 change to remove interruptible mutex locks
Some virtual I2C commands are missed along some PID filtering
commands resulting complete stall of driver.

Since dvb-usb cannot handle the -EAGAIN error and commands
generally should not be missed mutex_lock is used instead.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:52:25 -03:00
Axel Lin
c6e8d86fff [media] convert drivers/media/* to use module_i2c_driver()
This patch converts the drivers in drivers/media/* to use the
module_i2_driver() macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Heungjun Kim <riverful.kim@samsung.com>
Cc: Joonyoung Shim <jy0922.shim@samsung.com>
Cc: Andrew Chew <achew@nvidia.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: Johannes Obermaier <johannes.obermaier@gmail.com>
Cc: Steven Toth <stoth@kernellabs.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:48:01 -03:00
Jean-François Moine
a2d2b25ce6 [media] gspca - zc3xx: Set the exposure at start of hv7131r
The exposure was not set when autogain was set.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:05:13 -03:00
Jean-François Moine
6028c32684 [media] gspca - zc3xx: Fix bad sensor values when changing autogain
The setexposure added in commit 590f216806 works only for the sensor hv7131r,
but it is called for all sensors when changing the autogain.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:04:46 -03:00
Jean-François Moine
0b74e2c460 [media] gspca - zc3xx: Cleanup source
- copyright change
- use the kbuild module name for messages
- remove useless comments

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:04:02 -03:00
Jean-François Moine
1b3b21206b [media] gspca - zc3xx: Remove the low level traces
The low level traces are better done by usbmon.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:03:38 -03:00
Jean-François Moine
f1801904ee [media] gspca - zc3xx: Do automatic transfer control for hv7131r and pas202b
The bridge register 11 reports the current transfer status.
This value is used to know about a possible overflow and to adjust
the transfer parameters (registers 07 and 08).

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:03:18 -03:00
Jean-François Moine
30c73d464a [media] gspca - zc3xx: Adjust the JPEG decompression tables
As the bridge register 08 defines the JPEG compression quality,
it must be changed on JPEG quality change and also, the decompression
tables must be adjusted when the register varies.

[mchehab@redhat.com: replace a // comment by a /* */ one]
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:01:48 -03:00
Jean-François Moine
a7705c093d [media] gspca - sonixj: Add exposure, gain and auto exposure for po2030n
The auto gain uses the knee algorithm.
Adding the setexposure control function forced to:
- rename of the previous function setexposure
- add a specific auto setting function

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:00:38 -03:00
Jean-François Moine
323bdcf235 [media] gspca - sonixj: Remove the jpeg control
The get_jcomp control is rarely used and its main information,
the JPEG quality, may be found in the images.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 08:00:13 -03:00
Jean-François Moine
ac399cd313 [media] gspca - pac7302: Do autogain setting work
The autogain was always active.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 07:59:34 -03:00
Jean-François Moine
aa5b7925f1 [media] gspca - pac7302: Use the new video control mechanism
Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 07:59:15 -03:00
Jean-François Moine
7532e81599 [media] gspca - pac7302: Simplify the function pkt_scan
The JPEG header is always the same, so, it does not need to be rebuild
each time a new frame is received.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-08 07:58:52 -03:00