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Commit Graph

95 Commits

Author SHA1 Message Date
Greg Kroah-Hartman
fb28d58b72 USB: remove CONFIG_USB_DEVICEFS
This option has been deprecated for many years now, and no userspace
tools use it anymore, so it should be safe to finally remove it.

Reported-by: Kay Sievers <kay@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-29 22:20:03 -04:00
Greg Kroah-Hartman
8048926bb8 USB: as102_usb_drv.c: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

CC: Mauro Carvalho Chehab <mchehab@infradead.org>
CC: Sylwester Nawrocki <snjw23@gmail.com>
CC: Piotr Chmura <chmooreck@poczta.onet.pl>
CC: Devin Heitmueller <dheitmueller@kernellabs.com>
CC: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:48:57 -07:00
Greg Kroah-Hartman
9451df0ee8 USB: staging: media: as102: convert to use module_usb_driver
The as102 driver can be converted to use module_usb_driver() which saves
a lot of code, and gets rid of an unwanted err() call at the same time.

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Sylwester Nawrocki <snjw23@gmail.com>
Cc: Piotr Chmura <chmooreck@poczta.onet.pl>
Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-25 14:33:06 -07:00
Greg Kroah-Hartman
b883052e01 USB: Staging: media: lirc: lirc_ttusbir: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead

Cc: Jarod Wilson <jarod@wilsonet.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-24 09:08:21 -07:00
Greg Kroah-Hartman
17122545d7 USB: Staging: media: lirc: lirc_sasem: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead

Cc: Jarod Wilson <jarod@wilsonet.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Andrew Miller <amiller@amilx.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-24 09:08:21 -07:00
Greg Kroah-Hartman
493f7d410c USB: Staging: media: lirc: lirc_imon: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

Cc: Jarod Wilson <jarod@wilsonet.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-24 09:08:21 -07:00
Greg Kroah-Hartman
5df7731204 USB: Staging: media: easycap: remove err() usage
err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Jesper Juhl <jj@chaosbits.net>
Cc: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-24 09:08:21 -07:00
Jesper Juhl
401c90e56c staging/media/as102: Don't call release_firmware() on uninitialized variable
If, in drivers/staging/media/as102/as102_fw.c::as102_fw_upload(), the call
	cmd_buf = kzalloc(MAX_FW_PKT_SIZE, GFP_KERNEL);
should fail and return NULL so that we jump to the 'error:' label,
then we'll end up calling 'release_firmware(firmware);' with
'firmware' still uninitialized - not good.

The easy fix is to just initialize 'firmware' to NULL when we declare
it, since release_firmware() deals gracefully with being passed NULL
pointers.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-10 09:17:33 -07:00
Linus Torvalds
0195c00244 Disintegrate and delete asm/system.h
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

Pull "Disintegrate and delete asm/system.h" from David Howells:
 "Here are a bunch of patches to disintegrate asm/system.h into a set of
  separate bits to relieve the problem of circular inclusion
  dependencies.

  I've built all the working defconfigs from all the arches that I can
  and made sure that they don't break.

  The reason for these patches is that I recently encountered a circular
  dependency problem that came about when I produced some patches to
  optimise get_order() by rewriting it to use ilog2().

  This uses bitops - and on the SH arch asm/bitops.h drags in
  asm-generic/get_order.h by a circuituous route involving asm/system.h.

  The main difficulty seems to be asm/system.h.  It holds a number of
  low level bits with no/few dependencies that are commonly used (eg.
  memory barriers) and a number of bits with more dependencies that
  aren't used in many places (eg.  switch_to()).

  These patches break asm/system.h up into the following core pieces:

    (1) asm/barrier.h

        Move memory barriers here.  This already done for MIPS and Alpha.

    (2) asm/switch_to.h

        Move switch_to() and related stuff here.

    (3) asm/exec.h

        Move arch_align_stack() here.  Other process execution related bits
        could perhaps go here from asm/processor.h.

    (4) asm/cmpxchg.h

        Move xchg() and cmpxchg() here as they're full word atomic ops and
        frequently used by atomic_xchg() and atomic_cmpxchg().

    (5) asm/bug.h

        Move die() and related bits.

    (6) asm/auxvec.h

        Move AT_VECTOR_SIZE_ARCH here.

  Other arch headers are created as needed on a per-arch basis."

Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that.  We'll find out anything that got broken and fix it..

* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
  Delete all instances of asm/system.h
  Remove all #inclusions of asm/system.h
  Add #includes needed to permit the removal of asm/system.h
  Move all declarations of free_initmem() to linux/mm.h
  Disintegrate asm/system.h for OpenRISC
  Split arch_align_stack() out from asm-generic/system.h
  Split the switch_to() wrapper out of asm-generic/system.h
  Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
  Create asm-generic/barrier.h
  Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
  Disintegrate asm/system.h for Xtensa
  Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
  Disintegrate asm/system.h for Tile
  Disintegrate asm/system.h for Sparc
  Disintegrate asm/system.h for SH
  Disintegrate asm/system.h for Score
  Disintegrate asm/system.h for S390
  Disintegrate asm/system.h for PowerPC
  Disintegrate asm/system.h for PA-RISC
  Disintegrate asm/system.h for MN10300
  ...
2012-03-28 15:58:21 -07:00
David Howells
9ffc93f203 Remove all #inclusions of asm/system.h
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it.  Performed with the following command:

perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
Linus Torvalds
e317234975 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
 - V4L2 API additions to better support JPEG compression control
 - media API additions to properly support MPEG decoders
 - V4L2 API additions for image crop/scaling
 - a few other V4L2 API DocBook fixes/improvements
 - two new DVB frontend drivers: m88rs2000 and rtl2830
 - two new DVB drivers: az6007 and rtl28xxu
 - a framework for ISA drivers, that removed lots of common code found
   at the ISA radio drivers
 - a new FM transmitter driver (radio-keene)
 - a GPIO-based IR receiver driver
 - a new sensor driver: mt9m032
 - some new video drivers: adv7183, blackfin, mx2_emmaprp, sii9234_drv,
   vs6624
 - several new board additions, driver fixes, improvements and cleanups.

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (295 commits)
  [media] update CARDLIST.em28xx
  [media] partially reverts changeset fa5527c
  [media] stb0899: fix the limits for signal strength values
  [media] em28xx: support for 2304:0242 PCTV QuatroStick (510e)
  [media] em28xx: support for 2013:0251 PCTV QuatroStick nano (520e)
  [media] -EINVAL -> -ENOTTY
  [media] gspca - sn9c20x: Cleanup source
  [media] gspca - sn9c20x: Simplify register write for capture start/stop
  [media] gspca - sn9c20x: Add automatic JPEG compression mechanism
  [media] gspca - sn9c20x: Greater delay in case of sensor no response
  [media] gspca - sn9c20x: Optimize the code of write sequences
  [media] gspca - sn9c20x: Add the JPEG compression quality control
  [media] gspca - sn9c20x: Add a delay after Omnivision sensor reset
  [media] gspca - sn9c20x: Propagate USB errors to higher level
  [media] gspca - sn9c20x: Use the new video control mechanism
  [media] gspca - sn9c20x: Fix loss of frame start
  [media] gspca - zc3xx: Lack of register 08 value for sensor cs2102k
  [media] gspca - ov534_9: Add brightness to OmniVision 5621 sensor
  [media] gspca - zc3xx: Add V4L2_CID_JPEG_COMPRESSION_QUALITY control support
  [media] pvrusb2: fix 7MHz & 8MHz DVB-T tuner support for HVR1900 rev D1F5
  ...
2012-03-23 14:39:09 -07:00
Andrew Miller
23bfb5be9f [media] Staging: media: solo6x10: core.c Fix some coding style issue
Replaced spaces with tabs

Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-19 15:44:00 -03:00
Justin P. Mattock
b47acf2a16 [media] staging: Fix comments and some typos in staging/media/*
linux-next:
I like to spend some time reading code, in doing so I have found some
typos in some of the comments.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-19 14:26:16 -03:00
Gianluca Gennari
abfac0b648 [media] as102: set optimal eLNA config values for each device
Ryley and me tested several eLNA configuration values with both a rooftop
and a portable antenna.

Ryley fuond out that the best value for his Elgato stick is indeed the current
default value 0xC0.

Instead, my stick is not capable of tuning VHF channels with 0xC0. With 0x80,
VHF works but the tuner sensitivity with the portable antenna is poor.
Instead, the value 0xA0 works with VHF and also gives good performance with
both the rooftop and the portable antenna.

So we concluded that devices built on the reference design work best with 0xA0,
while custom designs (Elgato, PCTV) seem to require 0xC0.

I also removed the unused parameter "minor" in struct as102_dev_t.

Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Ryley Angus <rangus@student.unimelb.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-19 14:26:03 -03:00
Gianluca Gennari
abf9d00537 [media] as102: add __packed attribute to structs defined inside packed structs
This patch fixes a regression in kernel 3.3 due to this patch:

http://patchwork.linuxtv.org/patch/8332/

That patch changes "#pragma pack(1)" with "__packed" attributes, but it is not
complete. In fact, in the as102 driver there are a lot of structs/unions
defined inside other structs/unions.
When the "__packed" attribute is applied only on the external struct, it will
not affect the internal struct definitions.
So the regression is fixed by specifiying the "__packed" attribute also on the
internal structs.

This patch should go into 3.3, as it fixes a regression introduced in the new
kernel version.

Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Ryley Angus <rangus@student.unimelb.edu.au>
Cc: stable@kernel.org # for v3.3
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-03-19 14:26:02 -03:00
Mauro Carvalho Chehab
9ce28d827f Merge tag 'v3.3' into staging/for_v3.4
* tag 'v3.3': (1646 commits)
  Linux 3.3
  Don't limit non-nested epoll paths
  netfilter: ctnetlink: fix race between delete and timeout expiration
  ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.
  nilfs2: fix NULL pointer dereference in nilfs_load_super_block()
  nilfs2: clamp ns_r_segments_percentage to [1, 99]
  afs: Remote abort can cause BUG in rxrpc code
  afs: Read of file returns EBADMSG
  C6X: remove dead code from entry.S
  wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
  net/hyperv: fix erroneous NETDEV_TX_BUSY use
  net/usbnet: reserve headroom on rx skbs
  bnx2x: fix memory leak in bnx2x_init_firmware()
  bnx2x: fix a crash on corrupt firmware file
  sch_sfq: revert dont put new flow at the end of flows
  ipv6: fix icmp6_dst_alloc()
  MAINTAINERS: Add Serge as maintainer of capabilities
  drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode
  MAINTAINERS: add entry for exynos mipi display drivers
  MAINTAINERS: fix link to Gustavo Padovans tree
  ...
2012-03-19 13:41:24 -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
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
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
Andrew Miller
3be11133bf Staging: media: lirc: lirc_sasem.c: fixed long line coding style issue
Fixed some coding style issues.

Signed-off-by: Andrew Miller <amiller@amilx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-29 15:52:53 -08:00
Greg Kroah-Hartman
b91867f2ee Merge tag 'staging-3.3-rc3' into staging-next
This was done to resolve some merge issues with the following files that
had changed in both branches:
	drivers/staging/rtl8712/rtl871x_sta_mgt.c
	drivers/staging/tidspbridge/rmgr/drv_interface.c
	drivers/staging/zcache/zcache-main.c

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-10 10:58:25 -08:00
Jesper Juhl
881763361e staging, media, easycap: Fix mem leak in easycap_usb_probe()
If allocating 'pdata_urb' fails, the function will return -ENOMEM
without freeing the memory allocated, just a few lines above, for
'purb' and will leak that memory when 'purb' goes out of scope.

This patch resolves the leak by freeing the allocated storage with
usb_free_urb() before the return.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-02-09 09:51:47 -08:00
Jesper Juhl
9fa728ea35 [media] easycap: Fix mem leak in easycap_usb_probe()
If allocating 'pdata_urb' fails, the function will return -ENOMEM
without freeing the memory allocated, just a few lines above, for
'purb' and will leak that memory when 'purb' goes out of scope.

This patch resolves the leak by freeing the allocated storage with
usb_free_urb() before the return.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-02-08 12:38:57 -02:00
Randy Dunlap
da46d7dd53 staging: fix go7007-usb license
Add MODULE_LICENSE() as per the license in the comment at the top of the
file for this source module to fix build warning:

  WARNING: modpost: missing MODULE_LICENSE() in drivers/staging/media/go7007/go7007-usb.o
  see include/linux/module.h for more information

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Ross Cohen <rcohen@snurgle.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-02-01 18:29:33 -08:00
Linus Torvalds
122804ecb5 Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits)
  [media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver
  mb86a20s: Add a few more register settings at the init seq
  mb86a20s: Group registers into the same line
  [media] [PATCH] don't reset the delivery system on DTV_CLEAR
  [media] [BUG] it913x-fe fix typo error making SNR levels unstable
  [media] cx23885: Query the CX25840 during enum_input for status
  [media] cx25840: Add support for g_input_status
  [media] rc-videomate-m1f.c Rename to match remote controler name
  [media] drivers: media: au0828: Fix dependency for VIDEO_AU0828
  [media] convert drivers/media/* to use module_platform_driver()
  [media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB
  [media] Exynos4 JPEG codec v4l2 driver
  [media] doc: v4l: selection: choose pixels as units for selection rectangles
  [media] v4l: s5p-tv: mixer: fix setup of VP scaling
  [media] v4l: s5p-tv: mixer: add support for selection API
  [media] v4l: emulate old crop API using extended crop/compose API
  [media] doc: v4l: add documentation for selection API
  [media] doc: v4l: add binary images for selection API
  [media] v4l: add support for selection api
  [media] hd29l2: fix review findings
  ...
2012-01-15 12:49:56 -08:00
Rusty Russell
90ab5ee941 module_param: make bool parameters really bool (drivers & misc)
module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-01-13 09:32:20 +10:30
Rusty Russell
f17dda94d4 lirc_parallel: fix module parameter description.
Cut and paste bug.

Cc: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: devel@driverdev.osuosl.org
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-01-13 09:32:17 +10:30
Greg Kroah-Hartman
ff4b8a57f0 Merge branch 'driver-core-next' into Linux 3.2
This resolves the conflict in the arch/arm/mach-s3c64xx/s3c6400.c file,
and it fixes the build error in the arch/x86/kernel/microcode_core.c
file, that the merge did not catch.

The microcode_core.c patch was provided by Stephen Rothwell
<sfr@canb.auug.org.au> who was invaluable in the merge issues involved
with the large sysdev removal process in the driver-core tree.

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2012-01-06 11:42:52 -08:00
Julia Lawall
eabd0eaf4f [media] drivers/staging/media/as102/as102_usb_drv.c: shift position of allocation code
The conditional after the kzalloc says that the tested expression should
never be true, but if it were, the allocated data would have to be freed.
This change just moves the allocation below the test, to avoid any
possibility of the problem.

A simplified version of the semantic match that finds the problem is as
follows: (http://coccinelle.lip6.fr)

// <smpl>
@r exists@
local idexpression x;
statement S;
identifier f1;
position p1,p2;
expression *ptr != NULL;
@@

x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
...
if (x == NULL) S
<... when != x
     when != if (...) { <+...x...+> }
x->f1
...>
(
 return \(0\|<+...x...+>\|ptr\);
|
 return@p2 ...;
)

@script:python@
p1 << r.p1;
p2 << r.p2;
@@

print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-06 11:14:30 -02:00
Dan Carpenter
aecf33db58 [media] Staging: dt3155v4l: probe() always fails
There were some curly braces missing so the probe() function always
failed.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-06 11:06:53 -02:00
Dan Carpenter
527f18be2d [media] Staging: dt3155v4l: update to newer API
I changed the function definitions for dt3155_queue_setup() to match the
newer API.  The dt3155_start_streaming() function didn't do anything so
I just removed it.

This silences the following gcc warnings:
drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: initialization from incompatible pointer type [enabled by default]
drivers/staging/media/dt3155v4l/dt3155v4l.c:307:2: warning: (near initialization for ‘q_ops.queue_setup’) [enabled by default]
drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: initialization from incompatible pointer type [enabled by default]
drivers/staging/media/dt3155v4l/dt3155v4l.c:311:2: warning: (near initialization for ‘q_ops.start_streaming’) [enabled by default]

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-06 11:05:21 -02:00
Mauro Carvalho Chehab
6225f18b88 [media] Don't test for ops->info.type inside drivers
Now, ops->info.type is handled inside the dvb_frontend
core, only for DVBv3 calls, and according with the
delivery system. So, drivers should not care or use it,
otherwise, it may have issues with DVBv5 calls.

The drivers that were still using it were detected via
this small temporary hack:

--- a/include/linux/dvb/frontend.h
+++ b/include/linux/dvb/frontend.h
@@ -29,13 +29,16 @@
 #include <linux/types.h>

 typedef enum fe_type {
+#if defined(__DVB_CORE__) || !defined (__KERNEL__)
        FE_QPSK,
        FE_QAM,
        FE_OFDM,
        FE_ATSC
+#else
+FE_FOOO
+#endif
 } fe_type_t;

-
 typedef enum fe_caps {
        FE_IS_STUPID                    = 0,
        FE_CAN_INVERSION_AUTO           = 0x1,

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-01-04 23:10:19 -02:00
Mauro Carvalho Chehab
53c91373bd [media] dvb: remove the extra parameter on get_frontend
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-31 11:39:36 -02:00
Mauro Carvalho Chehab
dfc6438410 [media] staging/as102: convert set_fontend to use DVBv5 parameters
Instead of using dvb_frontend_parameters struct, that were
designed for a subset of the supported standards, use the DVBv5
cache information.

Also, fill the supported delivery systems at dvb_frontend_ops
struct.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-31 09:49:02 -02:00
Mauro Carvalho Chehab
a689e3657d [media] dvb-core: add support for a DVBv5 get_frontend() callback
Creates a DVBv5 get_frontend call, renaming the DVBv3 one to
get_frontend_legacy(), while not all frontends are converted.

After the conversion for all drivers, get_frontend_legacy()
will be removed.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-31 09:10:49 -02:00
Mauro Carvalho Chehab
bc9cd2736b [media] Rename set_frontend fops to set_frontend_legacy
Passing DVBv3 parameters to set_frontend is not fun, as the
core doesn't have any way to know if the driver is using the
v3 or v5 parameters. So, rename the callback and add a new
one to allow distinguish between a mixed v3/v5 paramenter call
from a pure v5 call.

After having all frontends to use the new way, the legacy
call can be removed.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-12-31 09:09:43 -02:00
Mauro Carvalho Chehab
b4d48c942c Merge tag 'v3.2-rc7' into staging/for_v3.3
Linux 3.2-rc7

* tag 'v3.2-rc7': (1304 commits)
  Linux 3.2-rc7
  netfilter: xt_connbytes: handle negation correctly
  Btrfs: call d_instantiate after all ops are setup
  Btrfs: fix worker lock misuse in find_worker
  net: relax rcvbuf limits
  rps: fix insufficient bounds checking in store_rps_dev_flow_table_cnt()
  net: introduce DST_NOPEER dst flag
  mqprio: Avoid panic if no options are provided
  bridge: provide a mtu() method for fake_dst_ops
  md/bitmap: It is OK to clear bits during recovery.
  md: don't give up looking for spares on first failure-to-add
  md/raid5: ensure correct assessment of drives during degraded reshape.
  md/linear: fix hot-add of devices to linear arrays.
  sparc64: Fix MSIQ HV call ordering in pci_sun4v_msiq_build_irq().
  pata_of_platform: Add missing CONFIG_OF_IRQ dependency.
  ipv4: using prefetch requires including prefetch.h
  VFS: Fix race between CPU hotplug and lglocks
  vfs: __read_cache_page should use gfp argument rather than GFP_KERNEL
  USB: Fix usb/isp1760 build on sparc
  net: Add a flow_cache_flush_deferred function
  ...

Conflicts:
	drivers/media/common/tuners/tda18218.c
	drivers/media/video/omap3isp/ispccdc.c
	drivers/staging/media/as102/as102_drv.h
2011-12-30 13:59:37 -02:00
Dan Carpenter
87d466e503 [media] staging/media: lirc_imon: add a __user annotation
This silences the following Sparse warnings:
lirc_imon.c:404:32: warning: incorrect type in argument 1 (different address spaces)
lirc_imon.c:404:32:    expected void const [noderef] <asn:1>*<noident>
lirc_imon.c:404:32:    got char const *buf
lirc_imon.c:117:28: warning: incorrect type in initializer (incompatible argument 2 (different address spaces))
lirc_imon.c:117:28:    expected long ( *write )( ... )
lirc_imon.c:117:28:    got long ( static [toplevel] *<noident> )( ... )

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-26 08:48:03 -02:00
Pete
7e5219d18e [media] go7007: Fix 2250 urb type
commit a846d8fce9e8be30046be3c512982bd0345e7015

The 2250 board uses bulk endpoint for interrupt handling,
and should use a bulk urb instead of an int urb.

Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 21:09:25 -02:00
Gianluca Gennari
dd7aaa4d9d [media] staging: as102: Add support for Sky Italia Digital Key based on the same chip
Add support for the Sky Italia Digital Key, an USB dongle offered
by Sky Italia to its customers for use with their satellite set-top-boxes.
This is the "green led" model based on the Abilis as102 chip, while the
so called "blue led" model is based on the Avermedia A867 design.

Cc: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Sylwester Nawrocki <snjw23@gmail.com>
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:34:48 -02:00
Tomas Winkler
a6ff0a06d8 [media] easycap: fix warnings: variable set but not used
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:18:19 -02:00
Tomas Winkler
0b217d2125 [media] easycap: drop usb_class_driver
Drop usb_class_driver and collaterals as it is not used

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:17:53 -02:00
Tomas Winkler
96bec7dd72 [media] easycap: add easycap prefix to global functions names
Add easycap prefix to global function to reduce
possibility of name collision.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:17:32 -02:00
Tomas Winkler
a5b6ee06b2 [media] easycap: remove unused members of struct easycap
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:17:02 -02:00
Tomas Winkler
4329f3c6a5 [media] easycap: easycap_usb_driver should be static to easycap_main.c
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:16:49 -02:00
Tomas Winkler
8b1fad2f04 [media] easycap: use usb_kill_urb wrapper functions
1. kill_video_usb can be used in all places where video urbs are killed
and reduce code repetition

2. remove unnecessary check for easycap == NULL in the function
as it is always checked by the calling function

3. rename the function to easycap_video_kill_urb to reduce
possibility of name conflict

4. implement also easycap_audio_kill_urb

5. simplify freeing urbs

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:16:22 -02:00
Tomas Winkler
7dfdae8e32 [media] easycap: drop initializations to 0 in the probe functions
peasycap was allocated using kzalloc so drop all
to zero initializations

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:14:15 -02:00
Tomas Winkler
101dca425d [media] easycap: streamline the code
change statements of types
	if (err)
		return err
	else
		do something

and
	if (ok)
		do something
	else
		return err

into

	if (err)
		return err

	do something

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:12:53 -02:00
Tomas Winkler
7dbb392025 [media] easycap: compress initialization tables
1. saa and stk initialization tables are less then
256 entries
2. stk table can fit into u16 and saa into u8

size before
 text	   data	    bss	    dec	    hex	filename
 105687	   1072	1134800	1241559	 12f1d7	easycap.ko

size after

 text	   data	    bss	    dec	    hex	filename
 97919	   1072	1134800	1233791	 12d37f	easycap.ko

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-11-24 19:10:36 -02:00