Commit Graph

323207 Commits

Author SHA1 Message Date
Sachin Kamat
254d4d111e drm/exynos: Add dependency for G2D in Kconfig
Select Exynos DRM based G2D only if non-DRM based Exynos G2D driver
is not selected.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2012-09-13 12:38:08 +09:00
Inki Dae
7da5907c84 drm/exynos: fixed page align bug.
do not align in page unit at dumb creation. the align is done
by exynos_drm_gem_create() to be called commonly.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:08 +09:00
Thomas Meyer
4fbd9a4539 drm/exynos: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(.. [1]
The semantic patch that makes this change is available
in scripts/coccinelle/api/err_cast.cocci.

More information about semantic patching is available at
http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:08 +09:00
Sachin Kamat
b767593349 drm/exynos: Use devm_* functions in exynos_drm_g2d.c file
devm_* functions are device managed functions and make error handling
and cleanup cleaner and simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:08 +09:00
Sachin Kamat
ae18294018 drm/exynos: Use devm_kzalloc in exynos_drm_hdmi.c file
devm_kzalloc is a device managed function and makes freeing and error
handling simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:08 +09:00
Sachin Kamat
59848db505 drm/exynos: Use devm_kzalloc in exynos_drm_vidi.c file
devm_kzalloc is a device managed function and makes freeing and error
handling simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:07 +09:00
Sachin Kamat
16e197417d drm/exynos: Remove redundant check in exynos_drm_fimd.c file
devm_request_and_ioremap function checks the validity of the
pointer returned by platform_get_resource. Hence an additional check
in the probe function is not necessary.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:07 +09:00
Sachin Kamat
7ba073cdd8 drm/exynos: Remove redundant check in exynos_hdmi.c file
devm_request_and_ioremap function checks the validity of the
pointer returned by platform_get_resource. Hence an additional check
in the probe function is not necessary.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
2012-09-13 12:38:07 +09:00
Dave Airlie
5e1782d224 vmwgfx: add dumb ioctl support
Testing and works with the -modesetting driver,

Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-13 11:42:31 +10:00
Alan Cox
26df641eac gma500: Fix regression on Oaktrail devices
The register map patches didn't set one value for the GMA600 which
means the Fujitsu Q550 dies on boot with the GMA500 driver enabled.

Add the map entry so we don't read from the device MMIO + 0 by mistake.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Horses <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-09-13 11:36:29 +10:00
Dmitry Kasatkin
bc01637a80 digsig: add hash size comparision on signature verification
When pkcs_1_v1_5_decode_emsa() returns without error and hash sizes do
not match, hash comparision is not done and digsig_verify_rsa() returns
no error.  This is a bug and this patch fixes it.

The bug was introduced in v3.3 by commit b35e286a64 ("lib/digsig:
pkcs_1_v1_5_decode_emsa cleanup").

Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-09-13 09:13:02 +08:00
Dave Airlie
6426a7b0d9 Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:
"Nothing really major at all:
- fixup edp setup sequence (Dave)
- disable sdvo hotplug for real, this is a fixup for a messed-up
  regression fixer (Jani)
- don't expose dysfunctional backlight driver (Jani)
- properly init spinlock (only used by hsw/vlv code) from Alexander
  Shishkin"
along with a couple of more fixes on top.

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  drm/i915: fix up the IBX transcoder B check
  drm/i915: set the right gen3 flip_done mode also at resume
  drm/i915: initialize dpio_lock spin lock
  drm/i915: do not expose a dysfunctional backlight interface to userspace
  drm/i915: only enable sdvo hotplug irq if needed
  drm/i915/edp: get the panel delay before powering up
2012-09-13 11:07:31 +10:00
Linus Torvalds
8507876aaa Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
 "It's been a while...  so there's a little more here than normal.

  Mostly updates from Will for the breakpoint stuff, and plugging a few
  holes in the user access functions which crept in when domain support
  was disabled for ARMv7 CPUs."

* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7529/1: delay: set loops_per_jiffy when moving to timer-based loop
  ARM: 7528/1: uaccess: annotate [__]{get,put}_user functions with might_fault()
  ARM: 7527/1: uaccess: explicitly check __user pointer when !CPU_USE_DOMAINS
  ARM: 7526/1: traps: send SIGILL if get_user fails on undef handling path
  ARM: 7521/1: Fix semihosting Kconfig text
  ARM: 7513/1: Make sure dtc is built before running it
  ARM: 7512/1: Fix XIP build due to PHYS_OFFSET definition moving
  ARM: 7499/1: mm: Fix vmalloc overlap check for !HIGHMEM
  ARM: 7503/1: mm: only flush both pmd entries for classic MMU
  ARM: 7502/1: contextidr: avoid using bfi instruction during notifier
  ARM: 7501/1: decompressor: reset ttbcr for VMSA ARMv7 cores
  ARM: 7497/1: hw_breakpoint: allow single-byte watchpoints on all addresses
  ARM: 7496/1: hw_breakpoint: don't rely on dfsr to show watchpoint access type
  ARM: Fix ioremap() of address zero
2012-09-13 09:05:22 +08:00
Linus Torvalds
22b4e63ebe NFS client bugfixes for Linux 3.6
- Final (hopefully) fix for the range checking code in NFSv4 getacl. This
   should fix the Oopses being seen when the acl size is close to PAGE_SIZE.
 - Fix a regression with the legacy binary mount code
 - Fix a regression in the readdir cookieverf initialisation
 - Fix an RPC over UDP regression
 - Ensure that we report all errors in the NFSv4 open code
 - Ensure that fsync() reports all relevant synchronisation errors.
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Merge tag 'nfs-for-3.6-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client bugfixes from Trond Myklebust:

 - Final (hopefully) fix for the range checking code in NFSv4 getacl.
   This should fix the Oopses being seen when the acl size is close to
   PAGE_SIZE.
 - Fix a regression with the legacy binary mount code
 - Fix a regression in the readdir cookieverf initialisation
 - Fix an RPC over UDP regression
 - Ensure that we report all errors in the NFSv4 open code
 - Ensure that fsync() reports all relevant synchronisation errors.

* tag 'nfs-for-3.6-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
  NFS: fsync() must exit with an error if page writeback failed
  SUNRPC: Fix a UDP transport regression
  NFS: return error from decode_getfh in decode open
  NFSv4: Fix buffer overflow checking in __nfs4_get_acl_uncached
  NFSv4: Fix range checking in __nfs4_get_acl_uncached and __nfs4_proc_set_acl
  NFS: Fix a problem with the legacy binary mount code
  NFS: Fix the initialisation of the readdir 'cookieverf' array
2012-09-13 09:04:13 +08:00
Richard Zhao
b183c19f98 USB: chipidea: re-order irq handling to avoid unhandled irqs
- let role driver handle irq before ID change check; this gives the
  role driver a chance to handle disconnect;
- disable irq during switch role; no role driver to handle irq in
  the period.

Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
388ed48723 USB: chipidea: add -DDEBUG if debugging is enabled
This patch turns on debugging output if CONFIG_USB_CHIPIDEA_DEBUG is
enabled.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
8c4fc03195 USB: chipidea: add vbus detect for udc
Using vbus valid interrupt to detect vbus.

Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
984f753cf1 USB: chipidea: acknowledge ID change interrupt in irq handler
In order to avoid re-queueing of the role changing work, we need to clear
the ID change interrupt bit right in the irq handler.

Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
86ad01a907 USB: chipidea: delay 2ms before read ID status at probe time
The ID pin needs 1ms debounce time, even at probe time. We delay 2ms
to be on the safe side.

Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
b4dbb258b6 USB: chipidea: imx: add pinctrl support
Some controllers may not need to setup pinctrl, so we don't fail the
probe if pinctrl get/select failed.

Tested-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Richard Zhao
d142d6be23 USB: chipidea: add imx usbmisc support
i.MX usb controllers share non-core registers, which may include
SoC specific controls. We turn it into a usbmisc device and usbmisc
driver set operations needed by ci13xxx_imx driver.

For example, Sabrelite board has bad over-current design, we can
usbmisc to disable over-current detection.

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:20:38 -07:00
Greg Kroah-Hartman
38bb2ca69d Merge branch 'chipidea-stable' into usb-linus
Chipidea patches for 3.6

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:12:31 -07:00
Greg Kroah-Hartman
08d9c74d45 Merge branch 'chipidea-stable' into usb-next
These chipidea stable patches are needed for other chipidea patches to be
applied properly.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 11:05:11 -07:00
Michael Grzeschik
db89960e50 usb: chipidea: udc: don't stall endpoint if request list is empty in isr_tr_complete_low
When attaching an imx28 or imx53 in USB gadget mode to a Windows host and
starting a rndis connection we see this message every 4-10 seconds:

    g_ether gadget: high speed config #2: RNDIS

Analysis shows that each time this message is printed, the rndis connection is
re-establish due to a reset because of a stalled endpoint (ep 0, dir 1). The
endpoint is stalled because the reqeust complete bit on that endpoint is set,
but in isr_tr_complete_low() the endpoint request list (mEp->qh.queue) is
empty.

This patch removed this check, because the code doesn't take the following
situation into account:

The loop over all endpoints in isr_tr_complete_handler() will call ep_nuke() on
both ep0/dir0 and ep/dir1 in the first loop. Pending reqeusts will be flushed
and completed here. There seems to be a race condition, the request is nuked,
but the request complete bit will be set, too. The subsequent check (in
ep0/dir1's loop cycle) for endpoint request list (mEp->qh.queue) empty will
fail.

Both other mainline chipidea drivers (mv_udc_core.c and fsl_udc_core.c) don't
have this check.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:58:38 -07:00
Marc Kleine-Budde
ad6b1b97fe usb: chipidea: cleanup dma_pool if udc_start() fails
If udc_start() fails the qh_pool dma-pool cannot be closed because
it's still in use. This patch factors out the dma_pool_free() loop
into destroy_eps() and calls it in the error path of udc_start(),
too.

Cc: stable <stable@vger.kernel.org>
Reviewed-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:58:38 -07:00
Marc Kleine-Budde
c9d1f947a8 usb: chipidea: udc: fix error path in udc_start()
This patch fixes the error path of udc_start(). Now NULL is used to
unset the peripheral with otg_set_peripheral().

Cc: stable <stable@vger.kernel.org>
Reviewed-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:58:38 -07:00
Michael Grzeschik
c0a48e6c75 usb: chipidea: udc: add pullup fuction, needed by the uvc gadget
Add function to physicaly enable or disable of pullup connection on the USB-D+
line. The uvc gaget will fail, if this function is not implemented.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:58:38 -07:00
Michael Grzeschik
7f67c38bdc usb: chipidea: udc: fix setup of endpoint maxpacket size
This patch changes the setup of the endpoint maxpacket size. All non control
endpoints are initialized with an undefined ((unsigned short)~0) maxpacket
size. The maxpacket size of Endpoint 0 will be kept at CTRL_PAYLOAD_MAX.

Some gadget drivers check for the maxpacket size before they enable the
endpoint, which leads to a wrong state in these drivers.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:58:37 -07:00
Alexander Shishkin
1f2235b8e7 usb: move children deallocation after quiescing the hub
Commit ff823c79a5 ("usb: move children
to struct usb_port") forgot to consider the hub_disconnect sequence,
which releases ports before quiescing the hub, which will lead to a
use-after-free, since hub_quiesce() will try to disconnect ports'
children, which are already deallocated. Simple modprobe dummy_hcd &&
rmmod dummy_hcd will illustrate the problem.

This patch moves deallocation of hub's ports after hub_quiesce() call
in hub_disconnect().

Cc: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-12 10:00:51 -07:00
Wolfram Sang
72ee734a67 i2c: mxs: correctly setup speed for non devicetree
Commit cd4f2d4 (i2c: mxs: Set I2C timing registers for mxs-i2c) only
covered the case for devicetree and made platform_data based boards
bail out with -EINVAL. Correctly support the latter one, too.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-09-12 17:55:22 +02:00
Roland Stigge
c076ada4e4 i2c: pnx: Fix read transactions of >= 2 bytes
On transactions with n>=2 bytes, the controller actually wrongly clocks in n+1
bytes. This is caused by the (wrong) assumption that RFE in the Status Register
is 1 iff there is no byte already ordered (via a dummy TX byte). This lead to
the implementation of synchronized byte ordering, e.g.:

Dummy-TX - RX - Dummy-TX - RX - ...

But since RFE actually stays high after some Dummy-TX, it rather looks like:

Dummy-TX - Dummy-TX - RX - Dummy-TX - RX - (RX)

The last RX byte is clocked in by the bus controller, but ignored by the kernel
when filling the userspace buffer.

This patch fixes the issue by asking for RX via Dummy-TX asynchronously.
Introducing a separate counter for TX bytes.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-09-12 17:52:44 +02:00
Roland Stigge
b3aafe80c8 i2c: pnx: Fix bit definitions
The I2C Control Register bits RFDAIE and RFFIE were mixed up. In addition to
this fix, this patch adds the missing bit DRSIE for completeness.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
2012-09-12 17:52:38 +02:00
Joe Perches
16af511a66 netfilter: log: Fix log-level processing
auto75914331@hushmail.com reports that iptables does not correctly
output the KERN_<level>.

$IPTABLES -A RULE_0_in  -j LOG  --log-level notice --log-prefix "DENY  in: "

result with linux 3.6-rc5
Sep 12 06:37:29 xxxxx kernel: <5>DENY  in: IN=eth0 OUT= MAC=.......

result with linux 3.5.3 and older:
Sep  9 10:43:01 xxxxx kernel: DENY  in: IN=eth0 OUT= MAC......

commit 04d2c8c83d
("printk: convert the format for KERN_<LEVEL> to a 2 byte pattern")
updated the syslog header style but did not update netfilter uses.

Do so.

Use KERN_SOH and string concatenation instead of "%c" KERN_SOH_ASCII
as suggested by Eric Dumazet.

Signed-off-by: Joe Perches <joe@perches.com>
cc: auto75914331@hushmail.com
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-09-12 17:17:35 +02:00
Matteo Frigo
3737e2be50 ALSA: ice1724: Use linear scale for AK4396 volume control.
The AK4396 DAC has a linear-scale attentuator, but
sound/pci/ice1712/prodigy_hifi.c used a log scale instead, which is
not quite right.  This patch restores the correct scale, borrowing
from the ak4396 code in sound/pci/oxygen/oxygen.c.

Signed-off-by: Matteo Frigo <athena@fftw.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-09-12 16:17:41 +02:00
Guenter Roeck
080b98e9ab hwmon: (ina2xx) Fix word size register read and write operations
The driver uses be16_to_cpu and cpu_to_be16 to convert data in SMBus word
operations from chip to host byte order. However, the data passed from and to
the SMBus word API functions is in host byte order, not in chip byte order.
Conversion should therefore use swab16 instead of be16 to change the byte order.

Replace driver internal word conversion functions with SMBus API functions to
solve the problem.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.5+
Acked-by: Jean Delvare <khali@linux-fr.org>
2012-09-12 06:42:11 -07:00
Guenter Roeck
73d7c11925 hwmon: (twl4030-madc-hwmon) Initialize uninitialized structure elements
twl4030_madc_conversion uses do_avg and type structure elements of
twl4030_madc_request. Initialize structure to avoid random operation.

Fix for: Coverity CID 200794 Uninitialized scalar variable.

Cc: Keerthy <j-keerthy@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Keerthy <j-keerthy@ti.com>
2012-09-11 21:16:27 -07:00
Eric Dumazet
bdfc87f7d1 net-sched: sch_cbq: avoid infinite loop
Its possible to setup a bad cbq configuration leading to
an infinite loop in cbq_classify()

DEV_OUT=eth0
ICMP="match ip protocol 1 0xff"
U32="protocol ip u32"
DST="match ip dst"
tc qdisc add dev $DEV_OUT root handle 1: cbq avpkt 1000 \
	bandwidth 100mbit
tc class add dev $DEV_OUT parent 1: classid 1:1 cbq \
	rate 512kbit allot 1500 prio 5 bounded isolated
tc filter add dev $DEV_OUT parent 1: prio 3 $U32 \
	$ICMP $DST 192.168.3.234 flowid 1:

Reported-by: Denys Fedoryschenko <denys@visp.net.lb>
Tested-by: Denys Fedoryschenko <denys@visp.net.lb>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-11 22:20:43 -04:00
Linus Torvalds
0bd1189e23 Merge branch 'for-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
 "It's later than I'd like but well the timing just didn't work out this
  time.

  There are three bug fixes.  One from before 3.6-rc1 and two from the
  new CPU hotplug code.  Kudos to Lai for discovering all of them and
  providing fixes.

   * Atomicity bug when clearing a flag and setting another.  The two
     operation should have been atomic but wasn't.  This bug has existed
     for a long time but is unlikely to have actually happened.  Fix is
     safe.  Marked for -stable.

   * If CPU hotplug cycles happen back-to-back before workers finish the
     previous cycle, the states could get out of sync and it could get
     stuck.  Fixed by waiting for workers to complete before finishing
     hotplug cycle.

   * While CPU hotplug is in progress, idle workers could be depleted
     which can then lead to deadlock.  I think both happening together
     is highly unlikely but still better to fix it and the fix isn't too
     scary.

  There's another workqueue related regression which reported a few days
  ago:

    https://bugzilla.kernel.org/show_bug.cgi?id=47301

  It's a bit of head scratcher but there is a semi-reliable reproduce
  case, so I'm hoping to resolve it soonish."

* 'for-3.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: fix possible idle worker depletion across CPU hotplug
  workqueue: restore POOL_MANAGING_WORKERS
  workqueue: fix possible deadlock in idle worker rebinding
  workqueue: move WORKER_REBIND clearing in rebind_workers() to the end of the function
  workqueue: UNBOUND -> REBIND morphing in rebind_workers() should be atomic
2012-09-12 07:16:54 +08:00
Linus Torvalds
274a2f5ddb Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes the authenc self-test crash as well as a missing export of
  a symbol used by a module."

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: authenc - Fix crash with zero-length assoc data
  crypto/caam: Export gen_split_key symbol for other modules
2012-09-12 07:14:17 +08:00
Linus Torvalds
2a1497c3c4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin
Pull blackfin updates from Bob Liu:
 "One kbuild and a smp build fix."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin:
  kbuild: add symbol prefix arg to kallsyms
  blackfin: smp: adapt to generic smp helpers
2012-09-12 07:12:53 +08:00
Kuninori Morimoto
58efc77c86 usb: renesas_usbhs: convert to devm_xxx()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-11 13:57:18 -07:00
Greg Kroah-Hartman
1cd572fc0c usb: musb: patches for v3.7 merge window
Here we have a bunch of miscellaneous cleanups and fixes
 to the musb driver. It fixes a bunch of mistakes errors
 which nobody has triggered before, so I'm not Ccing stable
 tree.
 
 We are finally improving OMAP's VBUS/ID Mailbox usage so
 that we can introduce our PHY drivers properly. Also, we're
 adding support for multiple instances of the MUSB IP in
 the same SoC, as seen on some platforms from TI which
 have 2 MUSB instances.
 
 Other than that, we have some small fixes like not kicking
 DMA for a zero byte transfer, or properly handling NAK timeout
 on MUSB's host side, and the enabling of DMA Mode1 for any
 transfers which are aligned to wMaxPacketSize.
 
 All patches have been pending on mailing list for a long time
 and I don't expect any big surprises with this pull request.
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Merge tag 'musb-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: musb: patches for v3.7 merge window

Here we have a bunch of miscellaneous cleanups and fixes
to the musb driver. It fixes a bunch of mistakes errors
which nobody has triggered before, so I'm not Ccing stable
tree.

We are finally improving OMAP's VBUS/ID Mailbox usage so
that we can introduce our PHY drivers properly. Also, we're
adding support for multiple instances of the MUSB IP in
the same SoC, as seen on some platforms from TI which
have 2 MUSB instances.

Other than that, we have some small fixes like not kicking
DMA for a zero byte transfer, or properly handling NAK timeout
on MUSB's host side, and the enabling of DMA Mode1 for any
transfers which are aligned to wMaxPacketSize.

All patches have been pending on mailing list for a long time
and I don't expect any big surprises with this pull request.
2012-09-11 13:56:29 -07:00
Greg Kroah-Hartman
e6d49d093e usb: dwc3: patches for v3.7 merge window
Some much needed changes for our dwc3 driver. First there's a
 rework on the ep0 handling due to some Silicon issue we uncovered
 which affects all users of this IP core (there's a missing
 XferNotReady(DATA) event in some conditions). This issue which
 show up as a SETUP transfers which wouldn't complete ever and
 we would fail TD 7.06 of the Link Layer Test from USB-IF and
 Lecroy's USB3 Exerciser.
 
 We also fix a long standing bug regarding EP0 enable sequencing
 where we weren't setting a particular bit (Ignore Sequence
 Number). Since we never saw any problems caused by that, it
 didn't deserve being sent to stable tree.
 
 On this pull request we also fix Burst Size initialization which
 should be done only in SuperSpeed and we were mistakenly setting
 Burst Size to the maximum value on non-SuperSpeed mode. Again,
 since we never saw any problems caused by that, we're not sending
 this patch to stable.
 
 There's also a memory ordering fix regarding usage of bitmaps in
 dwc3 driver.
 
 You will also find some sparse warnings fix, a fix for missed
 isochronous packets when the endpoint is already busy, and a
 fix for synchronization delay on dwc3_stop_active_transfer().
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Merge tag 'dwc3-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: dwc3: patches for v3.7 merge window

Some much needed changes for our dwc3 driver. First there's a
rework on the ep0 handling due to some Silicon issue we uncovered
which affects all users of this IP core (there's a missing
XferNotReady(DATA) event in some conditions). This issue which
show up as a SETUP transfers which wouldn't complete ever and
we would fail TD 7.06 of the Link Layer Test from USB-IF and
Lecroy's USB3 Exerciser.

We also fix a long standing bug regarding EP0 enable sequencing
where we weren't setting a particular bit (Ignore Sequence
Number). Since we never saw any problems caused by that, it
didn't deserve being sent to stable tree.

On this pull request we also fix Burst Size initialization which
should be done only in SuperSpeed and we were mistakenly setting
Burst Size to the maximum value on non-SuperSpeed mode. Again,
since we never saw any problems caused by that, we're not sending
this patch to stable.

There's also a memory ordering fix regarding usage of bitmaps in
dwc3 driver.

You will also find some sparse warnings fix, a fix for missed
isochronous packets when the endpoint is already busy, and a
fix for synchronization delay on dwc3_stop_active_transfer().
2012-09-11 13:52:48 -07:00
Greg Kroah-Hartman
dcb9cf39c5 usb: xceiv: patches for v3.7 merge window
nop xceiv got its own header to avoid polluting otg.h. It has also
 learned to work as USB2 and USB3 phys so we can use it on USB3
 controllers.
 
 Together with those two changes to nop xceiv, we're adding basic
 PHY support to dwc3 driver, this is to allow platforms which actually
 have a SW-controllable PHY talk to them through dwc3 driver.
 
 We're adding a new phy driver for the OMAP architecture. This driver
 is for the PHY found in OMAP4 SoCs, and a new phy driver for the
 marvell architecture. An extra phy driver - for Tegra SoCs - is now
 moving from arch/arm/mach-tegra* to drivers/usb/phy.
 
 Also here, there's the creation of <linux/usb/phy.h> which should be
 used from now on for PHY drivers, even those which don't support
 OTG.
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Merge tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: xceiv: patches for v3.7 merge window

nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.

Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.

We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.

Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.
2012-09-11 13:48:01 -07:00
Greg Kroah-Hartman
7135f08e47 usb: gadget: patches for v3.7 merge window
This pull request is large but the biggest part is the first part
 of the cleanup on the gadget framework so we have a saner setup
 to add configfs support for v3.8.
 
 We have also some more conversions to the new udc_start/udc_stop
 which makes us closer from dropping the old interfaces.
 
 USB_GADGET_DUALSPEED and USB_GADGET_SUPERSPEED are finally gone,
 thanks to Michal for his awesome work.
 
 Other than that, we have the usual set of miscellaneous changes
 and cleanups involving improvements to debug messages, removal
 of duplicated includes, moving dereference after NULL test,
 making renesas_hsbhs' irq handler Shared, unused code being dropped,
 prevention of sleep-inside-spinlock bugs and a race condition fix
 on udc-core.
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Merge tag 'gadget-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: gadget: patches for v3.7 merge window

This pull request is large but the biggest part is the first part
of the cleanup on the gadget framework so we have a saner setup
to add configfs support for v3.8.

We have also some more conversions to the new udc_start/udc_stop
which makes us closer from dropping the old interfaces.

USB_GADGET_DUALSPEED and USB_GADGET_SUPERSPEED are finally gone,
thanks to Michal for his awesome work.

Other than that, we have the usual set of miscellaneous changes
and cleanups involving improvements to debug messages, removal
of duplicated includes, moving dereference after NULL test,
making renesas_hsbhs' irq handler Shared, unused code being dropped,
prevention of sleep-inside-spinlock bugs and a race condition fix
on udc-core.
2012-09-11 13:39:49 -07:00
Trond Myklebust
7b281ee026 NFS: fsync() must exit with an error if page writeback failed
We need to ensure that if the call to filemap_write_and_wait_range()
fails, then we report that error back to the application.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-09-11 15:38:32 -04:00
Bjørn Mork
ba9edaa468 USB: option: replace ZTE K5006-Z entry with vendor class rule
Fix the ZTE K5006-Z entry so that it actually matches anything

  commit f1b5c997 USB: option: add ZTE K5006-Z

added a device specific entry assuming that the device would use
class/subclass/proto == ff/ff/ff like other ZTE devices. It
turns out that ZTE has started using vendor specific subclass
and protocol codes:

T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#=  4 Spd=480  MxCh= 0
D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
P:  Vendor=19d2 ProdID=1018 Rev= 0.00
S:  Manufacturer=ZTE,Incorporated
S:  Product=ZTE LTE Technologies MSM
S:  SerialNumber=MF821Vxxxxxxx
C:* #Ifs= 5 Cfg#= 1 Atr=c0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=86 Prot=10 Driver=(none)
E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=02 Prot=05 Driver=(none)
E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=02 Prot=01 Driver=(none)
E:  Ad=83(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=06 Prot=00 Driver=qmi_wwan
E:  Ad=85(I) Atr=03(Int.) MxPS=  64 Ivl=2ms
E:  Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E:  Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E:  Ad=87(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms

We do not have any information on how ZTE intend to use these
codes, but let us assume for now that the 3 sets matching
serial functions in the K5006-Z always will identify a serial
function in a ZTE device.

Cc: Thomas Schäfer <tschaefer@t-online.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-09-11 12:34:29 -07:00
Daniel Vetter
75c5da279e drm/i915: fix up the IBX transcoder B check
This has been added in

commit de9a35abb3
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Jun 5 11:03:40 2012 +0200

    drm/i915: assert that the IBX port transcoder select w/a is implemented

Unfortunately I've failed to notice that these checks are not just
called for the port that is about to be disabled, but for all (which
makes sense for an assert ...), and the WARN missfired when disabling
another pipe than the one with the dp port.

Hence also check whether the port is actually disabled.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=54688
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-09-11 17:25:14 +02:00
Ajay Kumar Gupta
d8c3ef256f usb: musb: dsps: remove explicit NOP device creation
As NOP device node is now added in am33xx tree so remove the call
which creates the NOP platform_device.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-11 17:36:50 +03:00
Ajay Kumar Gupta
65145677a6 usb: musb: dsps: add dt support
Added device tree support for dsps musb glue driver and updated the
Documentation with device tree binding information.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com>
Signed-off-by: Ravi Babu <ravibabu@ti.com>
[afzal@ti.com: use '-' instead of '_' for dt properties]
Signed-off-by: Afzal Mohammed <afzal@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-11 17:36:17 +03:00