Support for Wolfson Microelectronics devices is now part of Cirrus Logic
and the relevant parts of the old opensource.wolfsonmicro.com site have
moved to the Cirrus Logic GitHub area.
This patch updates the website and git repo links, and also removes an
obsolete website link for the voltage and current drivers.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
XTFPGA SPI controller has native endian registers.
Fix register acessors so that they work in big-endian configurations.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
The split of the 8250 driver into a 8250_base/8250.ko resulted in a
lack of a license for the 8250_base.ko module. This caused the module
to fail to load and the kernel to be tainted. Add the appropriate
MODULE_LICENSE to 8250_port.c, which is always compiled into
8250_base.ko
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Reported-by: Mikael Pettersson <mikpelinux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patches fix the following one issue:
- Fix bug of the is_extcon_changed() which check whether specific cable is
attached or detached.
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Merge tag 'extcon-fixes-for-4.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-linus
Chanwoo writes:
Update extcon for v4.3-rc3
This patches fix the following one issue:
- Fix bug of the is_extcon_changed() which check whether specific cable is
attached or detached.
When masking/unmasking interrupts, mask_cache is updated and used later
for suspend/resume. Unfortunately, it always was the mask_cache
associated with the first irq chip which was updated. So when performing
resume, only irqs 0-31 could be enabled.
Fixes: b1479ebb77 ("irqchip: atmel-aic: Add atmel AIC/AIC5 drivers")
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: <sasha.levin@oracle.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: <nicolas.ferre@atmel.com>
Cc: <alexandre.belloni@free-electrons.com>
Cc: <boris.brezillon@free-electrons.com>
Cc: <Wenyou.Yang@atmel.com>
Cc: <jason@lakedaemon.net>
Cc: <marc.zyngier@arm.com>
Cc: stable@vger.kernel.org #3.18
Link: http://lkml.kernel.org/r/1442843173-2390-1-git-send-email-ludovic.desroches@atmel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
The current behavior of notifying CQM events is inconsistent:
Upon first configuration there is a cqm event with the current
status according to threshold configured, regardless of signal
stability.
When there is reconfiguration no event is sent unless there is
a significant change to the signal level according to the new
configuration.
Since the current reconfiguration behavior might cause missing
CQM events in case the current signal did not change but is on
the other side of the new threshold, fix that by resetting the
stored signal level upon reconfiguration.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The HT MCS mask has 9 bytes, the VHT one only has 8 streams.
Split the loops to handle this correctly.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Don't check if timer is running with a timer_pending() before
deleting it with del_timer_sync(), this defies the whole point of
the sync part and can cause a possible race.
Instead we just want to make sure the timer is initialized early enough
before we have a chance to delete it.
Cc: <stable@vger.kernel.org>
Reported-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some changes between xhci 0.96 and xhci 1.0 specifications forced us to
check the hci version in code, some of these checks were implemented as
hci_version == 1.0, which will not work with new xhci 1.1 controllers.
xhci 1.1 behaves similar to xhci 1.0 in these cases, so change these
checks to hci_version >= 1.0
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
xhci_stop will be called twice, once for the shared hcd
and again for the primary hcd.
We stop the XHCI controller in any case so clean up
everything on the first call else we can timeout
waiting for pending requests to complete.
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For whatever reason if XHCI died in the previous instant
then it will never recover on the next xhci_start unless we
clear the DYING flag.
Cc: <stable@vger.kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
xhci_pme_quirk() is only used when CONFIG_PM is defined.
Compiling a kernel without PM complains about this function
[reworded commit message -Mathias]
Cc: <stable@vger.kernel.org>
Signed-off-by: Tomer Barletz <barletz@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We want to give the command abortion an additional try to stop
the command ring before we completely hose xhci.
Cc: <stable@vger.kernel.org>
Tested-by: Vincent Pelletier <plr.vincent@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bits 1:0 of the bmAttributes are used for the burst multiplier.
The rest of the bits used to be reserved (zero), but USB3.1 takes bit 7
into use.
Use the existing USB_SS_MULT() macro instead to make sure the mult value
and hence max packet calculations are correct for USB3.1 devices.
Note that burst multiplier in bmAttributes is zero based and that
the USB_SS_MULT() macro adds one.
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here's the second pull request for current -rc cycle.
A few fixes on dummy_hcd which have been around for
longer than they should be.
MUSB got a couple fixes, the most important of which
is a fix to DMA channel teardown on AM335x devices.
And DWC3 got a minor fix for when using RT-enabled
kernels.
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Merge tag 'fixes-for-v4.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.3-rc3
Here's the second pull request for current -rc cycle.
A few fixes on dummy_hcd which have been around for
longer than they should be.
MUSB got a couple fixes, the most important of which
is a fix to DMA channel teardown on AM335x devices.
And DWC3 got a minor fix for when using RT-enabled
kernels.
Pull cgroup fixes from Tejun Heo:
"The threadgroup locking changes which went in during 4.2 devel cycle
added write locking of a percpu_rwsem in cgroup task migration path;
unfortunately, that involved expedited rcu syncing which turned out to
be too slow and heavy for certain workloads. The patchset which is
dependent on this one didn't get committed during that devel cycle, so
these two patches can be reverted safely.
Oleg reworked percpu_rwsem for 4.4 so that the writer path is a lot
lighter. The reported issue goes away with Oleg's reworked
percpu_rwsem and I'll reapply these patches on the for-4.4 branch so
that they can land together with Oleg's changes"
* 'for-4.3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
Revert "sched, cgroup: replace signal_struct->group_rwsem with a global percpu_rwsem"
Revert "cgroup: simplify threadgroup locking"
Before allowing lockless LISTEN processing, we need to make
sure to arm the SYN_RECV timer before the req socket is visible
in hash tables.
Also, req->rsk_hash should be written before we set rsk_refcnt
to a non zero value.
Fixes: fa76ce7328 ("inet: get rid of central tcp/dccp listener timer")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ying Cai <ycai@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When creating a timewait socket, we need to arm the timer before
allowing other cpus to find it. The signal allowing cpus to find
the socket is setting tw_refcnt to non zero value.
As we set tw_refcnt in __inet_twsk_hashdance(), we therefore need to
call inet_twsk_schedule() first.
This also means we need to remove tw_refcnt changes from
inet_twsk_schedule() and let the caller handle it.
Note that because we use mod_timer_pinned(), we have the guarantee
the timer wont expire before we set tw_refcnt as we run in BH context.
To make things more readable I introduced inet_twsk_reschedule() helper.
When rearming the timer, we can use mod_timer_pending() to make sure
we do not rearm a canceled timer.
Note: This bug can possibly trigger if packets of a flow can hit
multiple cpus. This does not normally happen, unless flow steering
is broken somehow. This explains this bug was spotted ~5 months after
its introduction.
A similar fix is needed for SYN_RECV sockets in reqsk_queue_hash_req(),
but will be provided in a separate patch for proper tracking.
Fixes: 789f558cfb ("tcp/dccp: get rid of central timewait timer")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Ying Cai <ycai@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
`ls /sys/devices/channel-devices/vnet-port-0-0/net' is missing without
this change, and applications like NetworkManager are looking in
sysfs for the information.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The code handling vlan tag insertion was dropped in commit 371bd1061d
("geneve: Consolidate Geneve functionality in single module."). Now we
need to drop the related vlan feature bits in the netdev structure.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reviewed-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's a bunch of cheap USB 10/100 devices based on QinHeng chipsets. The
vendor driver supports the CH9100 and CH9200 devices, but the majority of
the code is of the if (ch9100) {} else {} form, with the most significant
difference being that CH9200 provides a real MII interface but CH9100 fakes
one with a bunch of global variables and magic commands. I don't have a
CH9100, so it's probably better if someone who does provides an independent
driver for it. In any case, this is a lightly cleaned up version of the
vendor driver with all the CH9100 code dropped.
Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Luis de Bethencourt says:
====================
net: phy: Fix module autoload for OF platform drivers
These patches add the missing MODULE_DEVICE_TABLE() for OF to export
the information so modules have the correct aliases built-in and
autoloading works correctly.
A longer explanation by Javier Canillas can be found here:
https://lkml.org/lkml/2015/7/30/519
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Luis de Bethencourt says:
====================
net: Fix module autoload for OF platform drivers
These patches add the missing MODULE_DEVICE_TABLE() for OF to export
the information so modules have the correct aliases built-in and
autoloading works correctly.
A longer explanation by Javier Canillas can be found here:
https://lkml.org/lkml/2015/7/30/519
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luis@osg.samsung.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This platform driver has a OF device ID table but the OF module
alias information is not created so module autoloading won't work.
Signed-off-by: Luis de Bethencourt <luisbg@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The following call trace is seen when generic/095 test is executed,
WARNING: CPU: 3 PID: 2769 at /home/chandan/code/repos/linux/fs/btrfs/inode.c:8967 btrfs_destroy_inode+0x284/0x2a0()
Modules linked in:
CPU: 3 PID: 2769 Comm: umount Not tainted 4.2.0-rc5+ #31
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20150306_163512-brownie 04/01/2014
ffffffff81c08150 ffff8802ec9cbce8 ffffffff81984058 ffff8802ffd8feb0
0000000000000000 ffff8802ec9cbd28 ffffffff81050385 ffff8802ec9cbd38
ffff8802d12f8588 ffff8802d12f8588 ffff8802f15ab000 ffff8800bb96c0b0
Call Trace:
[<ffffffff81984058>] dump_stack+0x45/0x57
[<ffffffff81050385>] warn_slowpath_common+0x85/0xc0
[<ffffffff81050465>] warn_slowpath_null+0x15/0x20
[<ffffffff81340294>] btrfs_destroy_inode+0x284/0x2a0
[<ffffffff8117ce07>] destroy_inode+0x37/0x60
[<ffffffff8117cf39>] evict+0x109/0x170
[<ffffffff8117cfd5>] dispose_list+0x35/0x50
[<ffffffff8117dd3a>] evict_inodes+0xaa/0x100
[<ffffffff81165667>] generic_shutdown_super+0x47/0xf0
[<ffffffff81165951>] kill_anon_super+0x11/0x20
[<ffffffff81302093>] btrfs_kill_super+0x13/0x110
[<ffffffff81165c99>] deactivate_locked_super+0x39/0x70
[<ffffffff811660cf>] deactivate_super+0x5f/0x70
[<ffffffff81180e1e>] cleanup_mnt+0x3e/0x90
[<ffffffff81180ebd>] __cleanup_mnt+0xd/0x10
[<ffffffff81069c06>] task_work_run+0x96/0xb0
[<ffffffff81003a3d>] do_notify_resume+0x3d/0x50
[<ffffffff8198cbc2>] int_signal+0x12/0x17
This means that the inode had non-zero "outstanding extents" during
eviction. This occurs because, during direct I/O a task which successfully
used up its reserved data space would set BTRFS_INODE_DIO_READY bit and does
not clear the bit after finishing the DIO write. A future DIO write could
actually fail and the unused reserve space won't be freed because of the
previously set BTRFS_INODE_DIO_READY bit.
Clearing the BTRFS_INODE_DIO_READY bit in btrfs_direct_IO() caused the
following issue,
|-----------------------------------+-------------------------------------|
| Task A | Task B |
|-----------------------------------+-------------------------------------|
| Start direct i/o write on inode X.| |
| reserve space | |
| Allocate ordered extent | |
| release reserved space | |
| Set BTRFS_INODE_DIO_READY bit. | |
| | splice() |
| | Transfer data from pipe buffer to |
| | destination file. |
| | - kmap(pipe buffer page) |
| | - Start direct i/o write on |
| | inode X. |
| | - reserve space |
| | - dio_refill_pages() |
| | - sdio->blocks_available == 0 |
| | - Since a kernel address is |
| | being passed instead of a |
| | user space address, |
| | iov_iter_get_pages() returns |
| | -EFAULT. |
| | - Since BTRFS_INODE_DIO_READY is |
| | set, we don't release reserved |
| | space. |
| | - Clear BTRFS_INODE_DIO_READY bit.|
| -EIOCBQUEUED is returned. | |
|-----------------------------------+-------------------------------------|
Hence this commit introduces "struct btrfs_dio_data" to track the usage of
reserved data space. The remaining unused "reserve space" can now be freed
reliably.
Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Using spin_lock() in hard irq handler is pointless
and causes a BUG() in RT (real-time) configuration
so get rid of it.
The reason it's pointless is because the driver is
basically accessing register which is, anyways,
atomic.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
After a few iterations of start/stop UVC camera streaming, the streaming
stops.
This patch adds 250us delay in the cppi channel abort path to let cppi
drain properly.
Using 50us delay seems to be too aggressive, some webcams are still
broken. 250us is the original value used in TI 3.2 kernel.
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The I2C core always reports the MODALIAS uevent as "i2c:<client name"
regardless if the device was registered using OF or platform code so
So the driver needs to export the I2C table and this be built into
the module or udev won't have the necessary information to auto load
the module when the device is added.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Remove unneeded NULL test.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@ expression x; @@
-if (x != NULL)
\(kmem_cache_destroy\|mempool_destroy\|dma_pool_destroy\)(x);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
dummy_timer uses transfer() to update transfer limit. However,
limit passed to dummy_timer changes depending on transfer type,
so the actual limit is overwritten.
This can cause unpredictably slow / fast bulk transfers when
coupled with control / interrupt transfers.
Fix by returning actual amount of data sent in transfer() and
substracting from total.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
transfer() schedules a rescan for transfers larger than
maxpacket, which is wrong for transfers that are multiples
of maxpacket.
Rewrite to fix and clarify packet multiple / remainder
transfer logic.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We already know at this point that to_host is false.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
currently, when a zlp flag is set and an urb/usb_request
buffer is filled without a short packet, transfer() leaves
its status at -EINPROGRESS and does not rescan for short
packet.
In a scenario where ep.maxpacket bytes are copied,
URB_ZERO_PACKET is set, urb buffer is filled and usb_request
buffer is not, transfer() returns with an urb with
-EINPROGRESS status, which dummy_hcd treats as incomplete
transfer.
Check for zlp and rescan appropriately.
Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Fix the regression caused by commit ad78c91860 ("usb: musb: dsps: just
start polling already") which causes polling the ID pin status even in
device-only mode.
Fixes: ad78c91860 ("usb: musb: dsps: just start polling already")
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The recently added endpoint capabilities flags verification breaks Atmel
USBA because the endpoint configuration was only added when the driver
is bound using the legacy pdata interface.
Convert endpoint configuration to new capabilities model when driver is
bound to a device tree as well.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Fixes: 47bef38651 ("usb: gadget: atmel_usba_udc: add ep capabilities support")
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
* Disable PM runtime for multi-platform ARM with genpd
* Disable legacy default PM Domain on emev2
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Merge tag 'renesas-sh-drivers-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas
Pull SH drivers updates from Simon Horman:
"I am sending this change after v4.3-rc1 has been released as it
depends on SoC changes which are present in that rc release.
Summary:
- disable PM runtime for multi-platform ARM with genpd
- disable legacy default PM Domain on emev2"
* tag 'renesas-sh-drivers-for-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
drivers: sh: Disable PM runtime for multi-platform ARM with genpd
drivers: sh: Disable legacy default PM Domain on emev2
Pull s390 fixes from Martin Schwidefsky:
"A couple of system call updates. The two new system calls userfaultfd
and membarrier have been added, as well as the 17 direct calls for the
multiplexed socket system calls.
In addition the system call compat wrappers have been flagged as
notrace functions and a few wrappers could be removed.
And bug fixes for the vector register handling, cpu_mf, suspend/resume,
compat signals, SMT cputime accounting and the zfcp dumper"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: wire up separate socketcalls system calls
s390/compat: remove superfluous compat wrappers
s390/compat: do not trace compat wrapper functions
s390/s390x: allocate sys_membarrier system call number
s390/configs//zfcpdump_defconfig: Remove CONFIG_MEMSTICK
s390: wire up userfaultfd system call
s390/vtime: correct scaled cputime for SMT
s390/cpum_cf: Corrected return code for unauthorized counter sets
s390/compat: correct uc_sigmask of the compat signal frame
s390: fix floating point register corruption
s390/hibernate: fix save and restore of vector registers
