Commit graph

388,156 commits

Author SHA1 Message Date
Stephen Warren
1bd0bd499d ARM: tegra: use #include for all device trees
Replace /include/ (dtc) with #include (C pre-processor) for all Tegra DT
files, so that gcc -E handles the entire include tree, and hence any of
those files can #include some other file e.g. for constant definitions.

This allows future use of #defines and header files in order to define
names for various constants, such as the IDs and flags in GPIO
specifiers. Use of those features will increase the readability of the
device tree files.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:13:49 -06:00
Eric Brower
b4dd3e0c0c ARM: tegra: Add gpio-leds to Tegra30 Beaver
Add support for general-purpose LEDs present on Beaver

Signed-off-by: Eric Brower <ebrower@nvidia.com>
[swarren: put new node in correct sort order]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:13:49 -06:00
Stephen Warren
30022bb43d ARM: tegra: fix memory size on Beaver
Tegra30's boot ROM masks the top 1MiB of RAM. Fix the memory node in
Beaver's DT file to reflect this.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:13:49 -06:00
Laxman Dewangan
5cc75fca2d ARM: tegra: enable spi4 on Dalmore
Enable SPI4 and add Winbond SPI flash W25Q32DW device
on CS0 line.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:13:48 -06:00
Stephen Warren
220cf5fb5c Merge branch 'for-3.11/deps-for-clk' into for-3.11/dt 2013-05-28 16:12:21 -06:00
Hiroshi Doyu
992bb598f6 ARM: tegra114: create a DT header defining CLK IDs
Create a header file to define the clock IDs used by the Tegra114 clock
binding. Remove the list of definitions from the binding documentation,
and refer the reader to the header file.

This will allow the same header to be used by both device tree files,
and drivers implementing this binding, which guarantees that the two
stay in sync. This also makes device trees more readable by using names
instead of magic numbers.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[swarren, add header to clock/ instead of clk/ to match binding location]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:11:11 -06:00
Hiroshi Doyu
9513109df8 ARM: tegra30: create a DT header defining CLK IDs
Create a header file to define the clock IDs used by the Tegra30 clock
binding. Remove the list of definitions from the binding documentation,
and refer the reader to the header file.

This will allow the same header to be used by both device tree files,
and drivers implementing this binding, which guarantees that the two
stay in sync. This also makes device trees more readable by using names
instead of magic numbers.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[swarren, add header to clock/ instead of clk/ to match binding location]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:10:53 -06:00
Hiroshi Doyu
ec23ad67f6 ARM: tegra20: create a DT header defining CLK IDs
Create a header file to define the clock IDs used by the Tegra20 clock
binding. Remove the list of definitions from the binding documentation,
and refer the reader to the header file.

This will allow the same header to be used by both device tree files,
and drivers implementing this binding, which guarantees that the two
stay in sync. This also makes device trees more readable by using names
instead of magic numbers.

Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com>
[swarren, add header to clock/ instead of clk/ to match binding location]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 16:10:39 -06:00
Joseph Lo
510bb595de ARM: tegra: add cpu_disable for hotplug
The Tegra114 could hotplug the CPU0, but the common cpu_disable didn't
support that. Adding a Tegra specific cpu_disable function for it.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
[swarren: adjusted the switch statement to be future-proof]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2013-05-28 15:26:07 -06:00
David Vrabel
3565184ed0 x86: Increase precision of x86_platform.get/set_wallclock()
All the virtualized platforms (KVM, lguest and Xen) have persistent
wallclocks that have more than one second of precision.

read_persistent_wallclock() and update_persistent_wallclock() allow
for nanosecond precision but their implementation on x86 with
x86_platform.get/set_wallclock() only allows for one second precision.
This means guests may see a wallclock time that is off by up to 1
second.

Make set_wallclock() and get_wallclock() take a struct timespec
parameter (which allows for nanosecond precision) so KVM and Xen
guests may start with a more accurate wallclock time and a Xen dom0
can maintain a more accurate wallclock for guests.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 14:00:59 -07:00
Baruch Siach
0a0a7e66fa clocksource: dw_apb: Remove unused header
The time.h header seems not to be used by current code.
Removing this include allows the driver to build on other
architecture that do not have this header.

Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jamie Iles <jamie@jamieiles.com>
Cc: Dinh Nguyen <dinguyen@altera.com>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
[tweaked commit message and header]
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 14:00:58 -07:00
Pavel Machek
55a68c23e0 dw_apb_timer_of.c: Remove parts that were picoxcell-specific
It seems we made a mistake when creating dw_apb_timer_of.c:
picoxcell sched_clock had parts that were not related to
dw_apb_timer, yet we moved them to dw_apb_timer_of, and tried to
use them on socfpga.

This results in system where user/system time is not measured
properly, as demonstrated by

    time dd if=/dev/urandom of=/dev/zero bs=100000 count=100

So this patch switches sched_clock to hardware that exists on both
platforms, and adds missing of_node_put() in dw_apb_timer_init().

Signed-off-by: Pavel Machek <pavel@denx.de>
Acked-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 14:00:58 -07:00
Daniel Borkmann
35b2108550 ktime: Add __must_check prefix to ktime_to_timespec_cond
The function is currently mainly used in the networking code and
if others start using it, they must check the result, otherwise
it cannot be determined if the timespec conversion suceeded.
Currently no user lacks this check, but make future users aware of
a possible misusage.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 14:00:58 -07:00
Liu Ying
a44b8bd607 ktime: Use macro NSEC_PER_USEC where appropriate
We've got the macro NSEC_PER_USEC defined in header file
include/linux/time.h. To make the code decent, this patch
replaces the immediate number 1000 to convert bewteen a
time value in microseconds and one in nanoseconds with the
macro NSEC_PER_USEC.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 14:00:57 -07:00
J. Bruce Fields
b161c14440 svcrpc: implement O_NONBLOCK behavior for use-gss-proxy
Somebody noticed LTP was complaining about O_NONBLOCK opens of
/proc/net/rpc/use-gss-proxy succeeding and then a following read
hanging.

I'm not convinced LTP really has any business opening random proc files
and expecting them to behave a certain way.  Maybe this isn't really a
bug.

But in any case the O_NONBLOCK behavior could be useful for someone that
wants to test whether gss-proxy is up without waiting.

Reported-by: Jan Stancek <jstancek@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2013-05-28 16:46:51 -04:00
Matthew Wilcox
cf9f123b38 NVMe: Use dma_set_mask() correctly
In some circumstances setting a 64-bit DMA mask can fail, as explained
in Documentation/DMA-API-HOWTO.txt.  Use the recommended code sequence
to set a 32-bit DMA mask if setting a 64-bit DMA mask fails.

Reported-by: Chayan Biswas <Chayan.Biswas@sandisk.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
2013-05-28 16:46:46 -04:00
Zoran Markovic
0d6bd9953f timekeeping: Correct run-time detection of persistent_clock.
Since commit 31ade30692, timekeeping_init()
checks for presence of persistent clock by attempting to read a non-zero
time value. This is an issue on platforms where persistent_clock (instead
is implemented as a free-running counter (instead of an RTC) starting
from zero on each boot and running during suspend. Examples are some ARM
platforms (e.g. PandaBoard).

An attempt to read such a clock during timekeeping_init() may return zero
value and falsely declare persistent clock as missing. Additionally, in
the above case suspend times may be accounted twice (once from
timekeeping_resume() and once from rtc_resume()), resulting in a gradual
drift of system time.

This patch does a run-time correction of the issue by doing the same check
during timekeeping_suspend().

A better long-term solution would have to return error when trying to read
non-existing clock and zero when trying to read an uninitialized clock, but
that would require changing all persistent_clock implementations.

This patch addresses the immediate breakage, for now.

Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Feng Tang <feng.tang@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Zoran Markovic <zoran.markovic@linaro.org>
[jstultz: Tweaked commit message and subject]
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 13:45:19 -07:00
Geert Uytterhoeven
aa848233f7 ntp: Remove unused variable flags in __hardpps
kernel/time/ntp.c: In function ‘__hardpps’:
kernel/time/ntp.c:877: warning: unused variable ‘flags’

commit a076b2146f ("ntp: Remove ntp_lock,
using the timekeeping locks to protect ntp state") removed its users,
but not the actual variable.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
2013-05-28 13:45:19 -07:00
David S. Miller
06ecf24bdf net: Fix build warnings after mac_header and transport_header became __u16.
net/core/skbuff.c: In function ‘__alloc_skb_head’:
net/core/skbuff.c:203:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c: In function ‘__alloc_skb’:
net/core/skbuff.c:279:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c:280:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c: In function ‘build_skb’:
net/core/skbuff.c:348:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]
net/core/skbuff.c:349:2: warning: large integer implicitly truncated to unsigned type [-Woverflow]

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-28 13:15:50 -07:00
Timo Teräs
6c8b4e3ff8 arp: flush arp cache on IFF_NOARP change
IFF_NOARP affects what kind of neighbor entries are created
(nud NOARP or nud INCOMPLETE). If the flag changes, flush the arp
cache to refresh all entries.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: shortened notifier_info struct name
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-28 13:11:02 -07:00
Jiri Pirko
be9efd3653 net: pass changed flags along with NETDEV_CHANGE event
Use new netdevice notifier infrastructure to pass along changed flags.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: shortened notifier_info struct name
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-28 13:11:01 -07:00
Jiri Pirko
351638e7de net: pass info struct via netdevice notifier
So far, only net_device * could be passed along with netdevice notifier
event. This patch provides a possibility to pass custom structure
able to provide info that event listener needs to know.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: fix typo on simeth
	shortened dev_getter
	shortened notifier_info struct name
v1->v2: fix notifier_call parameter in call_netdevice_notifier()
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-05-28 13:11:01 -07:00
Virupax Sadashivpetimath
ed74df12dc usb: musb: make use_sg flag URB specific
Since highmem PIO URB handling was introduced in:

8e8a551 usb: musb: host: Handle highmem in PIO mode

when a URB is being handled it may happen that the static use_sg flag
was set by a previous URB with buffer in highmem.  This leads to error
in handling the present URB.

Fix this by making the use_sg flag URB specific.

Cc: stable <stable@vger.kernel.org> # 3.7+
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 22:17:21 +03:00
George Cherian
5bf8fae33d usb: dwc3: gadget: free trb pool only from epnum 2
we never allocate a TRB pool for physical endpoints
0 and 1 so trying to free it (a invalid TRB pool pointer)
will lead us in a warning while removing dwc3.ko module.

In order to fix the situation, all we have to do is skip
dwc3_free_trb_pool() for physical endpoints 0 and 1 just
as we while deleting endpoints from the endpoints list.

Cc: stable@vger.kernel.org
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 22:17:20 +03:00
Peter Chen
022d0547aa usb: dwc3: exynos: PHY should be deleted later than dwc3 core
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.

Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 22:17:08 +03:00
Peter Chen
f28c42c576 usb: dwc3: pci: PHY should be deleted later than dwc3 core
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.

Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 22:16:49 +03:00
Rob Landley
2315cb1401 9p: Add rest of 9p files to MAINTAINERS entry
It was missing net and include directories.

Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-05-28 13:47:58 -05:00
Andy Shevchenko
cfdadef307 9p: trace: use %*ph to dump buffer
Additionally change cast from long to unsigned long to follow specificator.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
2013-05-28 13:42:08 -05:00
Gabor Juhos
add295a4af ath9k: use correct OTP register offsets for AR9550
Accessing the OTP memory on AR9950 causes a data bus
like this:

  Data bus error, epc == 801f7774, ra == 801f7774
  Oops[#1]:
  CPU: 0 PID: 1 Comm: swapper Not tainted 3.10.0-rc3 #592
  task: 87c28000 ti: 87c22000 task.ti: 87c22000
  $ 0   : 00000000 00000061 deadc0de 00000000
  $ 4   : b8115f18 00015f18 00000007 00000004
  $ 8   : 00000001 7c7c3c7c 7c7c7c7c 7c7c7c7c
  $12   : 7c7c3c7c 80320a68 00000000 7c7c7c3c
  $16   : 87cd8010 00015f18 00000007 00000000
  $20   : 00000064 00000004 87c23c7c 8035210c
  $24   : 00000000 801f3674
  $28   : 87c22000 87c23b48 00000001 801f7774
  Hi    : 00000000
  Lo    : 00000064
  epc   : 801f7774 ath9k_hw_wait+0x58/0xb0
      Not tainted
  ra    : 801f7774 ath9k_hw_wait+0x58/0xb0
  Status: 1000cc03 KERNEL EXL IE
  Cause : 4080801c
  PrId  : 00019750 (MIPS 74Kc)
  Modules linked in:
  Process swapper (pid: 1, threadinfo=87c22000, task=87c28000, ts=00000000)
  Stack : 0000000f 00000061 00002710 8006240c 00000001 87cd8010 87c23bb0 87cd8010
          00000000 00000004 00000003 80210c7c 000000b3 67fa8000 0000032a 000006fe
          000003e8 00000002 00000028 87c23bf0 000003ff 80210d24 803e5630 80210e28
          00000000 00000007 87cd8010 00007044 00000004 00000061 000003ff 000001ff
          87c26000 87cd8010 00000220 87cd8bb8 80210000 8020fcf4 87c22000 87c23c08
          ...
  Call Trace:
  [<801f7774>] ath9k_hw_wait+0x58/0xb0
  [<80210c7c>] ar9300_otp_read_word+0x80/0xd4
  [<80210d24>] ar9300_read_otp+0x54/0xb0
  [<8020fcf4>] ar9300_check_eeprom_header+0x1c/0x40
  [<80210fe4>] ath9k_hw_ar9300_fill_eeprom+0x118/0x39c
  [<80206650>] ath9k_hw_eeprom_init+0x74/0xb4
  [<801f96d0>] ath9k_hw_init+0x7ec/0x96c
  [<801e65ec>] ath9k_init_device+0x340/0x758
  [<801f35d0>] ath_ahb_probe+0x21c/0x2c0
  [<801c041c>] driver_probe_device+0xc0/0x1e4
  [<801c05ac>] __driver_attach+0x6c/0xa4
  [<801bea08>] bus_for_each_dev+0x64/0xa8
  [<801bfa40>] bus_add_driver+0xcc/0x24c
  [<801c0954>] driver_register+0xbc/0x17c
  [<803f8fc0>] ath9k_init+0x5c/0x88
  [<800608fc>] do_one_initcall+0xec/0x1a0
  [<803e6a68>] kernel_init_freeable+0x13c/0x200
  [<80309cdc>] kernel_init+0x1c/0xe4
  [<80062450>] ret_from_kernel_thread+0x10/0x18

On the AR9550, the OTP registers are located at
the same address as on the AR9340. Use the correct
values to avoid the error.

Cc: stable@vger.kernel.org  # 3.6+
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:10 -04:00
Hante Meuleman
102fd0d69e brcmfmac: Disable powersave mode for P2P link.
For p2p client mode powersave mode should be kept disabled. It is
working but inefficient. In general p2p links do no benefit from this
mode, because these links are setup temporarily to transfer data.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:10 -04:00
Hante Meuleman
1c9d30cfac brcmfmac: Add multi channel support for P2P.
Multi channel support was disabled. This patch will enable it and
configure the P2P GO on the correct frequency when multi channel
is used.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:10 -04:00
Arend van Spriel
cbb371da23 brcmfmac: use struct net_device::destructor to remove interfaces
Upon deleting a P2P_CLIENT/GO interface the vif and consequently
the wdev is freed before the net_device is actually being unregistered
but cfg80211 still needs to access the wdev. Using destructor field
to free the net_device and vif.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:09 -04:00
Arend van Spriel
9390ace916 brcmfmac: free net device when registration fails
When registration fails the net device is no longer needed. Free
the net device and remove reference to private data from the
driver.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:09 -04:00
Arend van Spriel
24e28beef9 brcmfmac: add additional parameter to brcmf_free_vif()
Pass the struct brcmf_cfg80211_info instance instead of obtaining
through vif itself using vif->wdev. This is needed as the netdev
associated with this vif is already unregistered.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:09 -04:00
Hante Meuleman
15a953d091 brcmfmac: Fix p2p setup when connected to ap on 5G.
The firmware requires that on p2p setup when net interfaces
are created or updated that they start initially with the same
channel as the channel in use for the current connection
(if any). If none exists take default channel 11.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:08 -04:00
Hante Meuleman
b3657453f1 brcmfmac: Turn off ARP offloading when configured for AP.
ARP offloading should only be used in STA or P2P client mode. It
is currently configured once at init. When being configured for AP
ARP offloading should be turned off and when AP mode is left it can
be turned back on.

Cc: stable@vger.kernel.org
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-05-28 13:43:08 -04:00
John W. Linville
25da0cd423 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes 2013-05-28 13:39:40 -04:00
John W. Linville
d61bdbf123 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2013-05-28 13:38:53 -04:00
Alexander Gordeev
65f6ae66a6 PCI: Allocate only as many MSI vectors as requested by driver
Because of the encoding of the "Multiple Message Capable" and "Multiple
Message Enable" fields, a device can only advertise that it's capable of a
power-of-two number of vectors, and the OS can only enable a power-of-two
number.

For example, a device that's limited internally to using 18 vectors would
have to advertise that it's capable of 32.  The 14 extra vectors consume
vector numbers and IRQ descriptors even though the device can't actually
use them.

This fix introduces a 'msi_desc::nvec_used' field to address this issue.
When non-zero, it is the actual number of MSIs the device will send, as
requested by the device driver.  This value should be used by architectures
to set up and tear down only as many interrupt resources as the device will
actually use.

Note, although the existing 'msi_desc::multiple' field might seem
redundant, in fact it is not.  The number of MSIs advertised need not be
the smallest power-of-two larger than the number of MSIs the device will
send.  Thus, it is not always possible to derive the former from the
latter, so we need to keep them both to handle this case.

[bhelgaas: changelog, rename to "nvec_used"]
Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-05-28 11:31:16 -06:00
Yijing Wang
e7d4515209 PCI: Replace printks with appropriate pr_*()
Replace deprecated printk(KERN_ERR...) with pr_err() in pci-acpi.c

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-05-28 11:22:02 -06:00
Jingoo Han
dae8eadf2a usb: gadget: use platform_{get,set}_drvdata()
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:16:56 +03:00
Dongjin Kim
6d3d61f821 usb: phy: samsung: Add support HSIC on Exynos4X12
This patch adds to enable High Speed Inter Chip on Exynos4X12. Both channels
are controlled by usbphy driver based on the patch series of usbphy driver
submitted by Tomasz Figa.

[1] https://patchwork.kernel.org/patch/2576121
[2] https://patchwork.kernel.org/patch/2576131
[3] https://patchwork.kernel.org/patch/2576141
[4] https://patchwork.kernel.org/patch/2576151
[5] https://patchwork.kernel.org/patch/2576161
[6] https://patchwork.kernel.org/patch/2576171

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Cc: Tomasz Figa <t.figa@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:16:37 +03:00
Yijing Wang
2dfca877b3 PCI: Fix kerneldoc for pci_disable_link_state()
Fix kerneldoc for pci_disable_link_state().

[bhelgaas: expand comment, fix typos]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2013-05-28 11:16:12 -06:00
Tetsuo Handa
8cd77a0bd4 Smack: Fix possible NULL pointer dereference at smk_netlbl_mls()
netlbl_secattr_catmap_alloc(GFP_ATOMIC) can return NULL.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
2013-05-28 10:15:35 -07:00
Sachin Kamat
7a22cc9709 usb: phy: phy-nop: Remove redundant use of of_match_ptr
'nop_xceiv_dt_ids' is always compiled in. Hence use of
of_match_ptr is unnecessary.

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:14:39 +03:00
Linus Torvalds
58f8bbd2e3 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "This is mostly exynos and intel fixes, along with some vblank patches
  I lost from Rob a few months ago that make wayland work better on lots
  of GPUs, also a qxl kconfig fix."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (22 commits)
  qxl: fix Kconfig deps - select FB_DEFERRED_IO
  drm/exynos: replace request_threaded_irq with devm function
  drm/exynos: remove unnecessary devm_kfree
  drm/exynos: fix build warnings from ipp fimc
  drm/exynos: cleanup device pointer usages
  drm/exynos: wait for the completion of pending page flip
  drm/exynos: use drm_send_vblank_event() helper
  drm/i915: avoid premature DP AUX timeouts
  drm/i915: avoid premature timeouts in __wait_seqno()
  drm/i915: use msecs_to_jiffies_timeout instead of open coding the same
  drm/i915: add msecs_to_jiffies_timeout to guarantee minimum duration
  drm/i915: force full modeset if the connector is in DPMS OFF mode
  drm/exynos: page flip fixes
  drm/exynos: exynos_hdmi: Pass correct pointer to free_irq()
  drm/exynos: exynos_drm_ipp: Fix incorrect usage of IS_ERR_OR_NULL
  drm/exynos: exynos_drm_fbdev: Fix incorrect usage of IS_ERR_OR_NULL
  drm/imx: use drm_send_vblank_event() helper
  drm/shmob: use drm_send_vblank_event() helper
  drm/radeon: use drm_send_vblank_event() helper
  drm/nouveau: use drm_send_vblank_event() helper
  ...
2013-05-28 10:11:34 -07:00
Linus Torvalds
30a9e50143 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This push fixes a crash in the new sha256_ssse3 driver as well as a
  DMA setup/teardown bug in caam"

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: sha256_ssse3 - fix stack corruption with SSSE3 and AVX implementations
  crypto: caam - fix inconsistent assoc dma mapping direction
2013-05-28 10:09:38 -07:00
Sachin Kamat
e823aa7c6d usb: gadget: pxa27x_udc: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:09:32 +03:00
Sachin Kamat
2d2428c027 usb: gadget: mv_u3d_core: Remove redundant platform_set_drvdata()
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Yu Xu <yuxu@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-05-28 20:09:20 +03:00
Yijing Wang
ea221e6414 x86/PCI: Increase info->res_num before checking pci_use_crs
We should increase info->res_num before we checking pci_use_crs return
when pci=nocrs set.

No functional change, since we don't use res_num and res_offset[]
in the "!pci_use_crs" case anyway, but this makes the code read better.

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Feng Tang <feng.tang@intel.com>
2013-05-28 11:09:16 -06:00