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Sascha Hauer [Thu, 10 Oct 2013 14:18:44 +0000 (16:18 +0200)]
staging: drm/imx: fix pageflip events during device close
During a device close the drm core frees all pending events in
drm_events_release(). If at that time a pageflip is pending the
interrupt handler will try to complete the now unitialized
event resulting in a NULL pointer exception. Seen on imx-drm
when userspace is killed during a page flip.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:43 +0000 (16:18 +0200)]
staging: drm/imx: ipuv3-crtc: remove unused struct ipu_framebuffer
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:42 +0000 (16:18 +0200)]
staging: drm-imx: add DRM_FORMAT_BGR888 to ipu crtc driver
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sascha Hauer [Thu, 10 Oct 2013 14:18:41 +0000 (16:18 +0200)]
staging: drm/imx: make waiting for idle channel optional
Currently we wait for a channel until it's idle before actually
disabling it. This is not needed for all channels though, so make
waiting for idle a separate function and call it where necessary.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:40 +0000 (16:18 +0200)]
staging: drm/imx: Add 24-bit BGR support to DC
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:39 +0000 (16:18 +0200)]
staging: drm/imx: add BGR565 format
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:38 +0000 (16:18 +0200)]
staging: drm/imx: fix RGB formats, make ipu_cpmem_set_fmt take a drm_fourcc
The drm fourccs define formats not available as video4linux pixel formats,
such as DRM_FORMAT_BGR565, or the DRM_FORMAT_RGBX/BGRX variants.
Also, contrary to the v4l2 formats, the drm formats are well defined.
This patch also fixes the BGRA32 and RGB/RGB24 internal formats to use a
common internal representation.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:37 +0000 (16:18 +0200)]
staging: drm/imx: make struct ipu_rgb format definitions const
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Philipp Zabel [Thu, 10 Oct 2013 14:18:36 +0000 (16:18 +0200)]
staging: drm/imx: also allow to allocate only 2 DMFC slots for DP full plane
Connecting a 320x240 parallel display on i.MX6 resulted in an invalid DRDY
signal because the DC would not receive NL/EOL events on every line.
Reducing the allocated DMFC space from 4 slots (256 * 128-bit) to 2 slots
(128 * 128-bit) solved the problem.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fabio Estevam [Wed, 9 Oct 2013 23:46:45 +0000 (20:46 -0300)]
imx-drm: imx-drm-core: Fix circular locking dependency
Booting a mx6 with CONFIG_PROVE_LOCKING we get:
======================================================
[ INFO: possible circular locking dependency detected ]
3.12.0-rc4-next-
20131009+ #34 Not tainted
-------------------------------------------------------
swapper/0/1 is trying to acquire lock:
(&imx_drm_device->mutex){+.+.+.}, at: [<
804575a8>] imx_drm_encoder_get_mux_id+0x28/0x98
but task is already holding lock:
(&crtc->mutex){+.+...}, at: [<
802fe778>] drm_modeset_lock_all+0x40/0x54
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (&crtc->mutex){+.+...}:
[<
800777d0>] __lock_acquire+0x18d4/0x1c24
[<
80077fec>] lock_acquire+0x68/0x7c
[<
805ead5c>] _mutex_lock_nest_lock+0x58/0x3a8
[<
802fec50>] drm_crtc_init+0x48/0xa8
[<
80457c88>] imx_drm_add_crtc+0xd4/0x144
[<
8045e2e8>] ipu_drm_probe+0x114/0x1fc
[<
80312278>] platform_drv_probe+0x20/0x50
[<
80310c68>] driver_probe_device+0x110/0x22c
[<
80310e20>] __driver_attach+0x9c/0xa0
[<
8030f218>] bus_for_each_dev+0x5c/0x90
[<
80310750>] driver_attach+0x20/0x28
[<
8031034c>] bus_add_driver+0xdc/0x1dc
[<
803114d8>] driver_register+0x80/0xfc
[<
80312198>] __platform_driver_register+0x50/0x64
[<
808172fc>] ipu_drm_driver_init+0x18/0x20
[<
800088c0>] do_one_initcall+0xfc/0x160
[<
807e7c5c>] kernel_init_freeable+0x104/0x1d4
[<
805e2930>] kernel_init+0x10/0xec
[<
8000ea68>] ret_from_fork+0x14/0x2c
-> #1 (&dev->mode_config.mutex){+.+.+.}:
[<
800777d0>] __lock_acquire+0x18d4/0x1c24
[<
80077fec>] lock_acquire+0x68/0x7c
[<
805eb100>] mutex_lock_nested+0x54/0x3a4
[<
802fe758>] drm_modeset_lock_all+0x20/0x54
[<
802fead4>] drm_encoder_init+0x20/0x7c
[<
80457ae4>] imx_drm_add_encoder+0x88/0xec
[<
80459838>] imx_ldb_probe+0x344/0x4fc
[<
80312278>] platform_drv_probe+0x20/0x50
[<
80310c68>] driver_probe_device+0x110/0x22c
[<
80310e20>] __driver_attach+0x9c/0xa0
[<
8030f218>] bus_for_each_dev+0x5c/0x90
[<
80310750>] driver_attach+0x20/0x28
[<
8031034c>] bus_add_driver+0xdc/0x1dc
[<
803114d8>] driver_register+0x80/0xfc
[<
80312198>] __platform_driver_register+0x50/0x64
[<
8081722c>] imx_ldb_driver_init+0x18/0x20
[<
800088c0>] do_one_initcall+0xfc/0x160
[<
807e7c5c>] kernel_init_freeable+0x104/0x1d4
[<
805e2930>] kernel_init+0x10/0xec
[<
8000ea68>] ret_from_fork+0x14/0x2c
-> #0 (&imx_drm_device->mutex){+.+.+.}:
[<
805e510c>] print_circular_bug+0x74/0x2e0
[<
80077ad0>] __lock_acquire+0x1bd4/0x1c24
[<
80077fec>] lock_acquire+0x68/0x7c
[<
805eb100>] mutex_lock_nested+0x54/0x3a4
[<
804575a8>] imx_drm_encoder_get_mux_id+0x28/0x98
[<
80459a98>] imx_ldb_encoder_prepare+0x34/0x114
[<
802ef724>] drm_crtc_helper_set_mode+0x1f0/0x4c0
[<
802f0344>] drm_crtc_helper_set_config+0x828/0x99c
[<
802ff270>] drm_mode_set_config_internal+0x5c/0xdc
[<
802eebe0>] drm_fb_helper_set_par+0x50/0xb4
[<
802af580>] fbcon_init+0x490/0x500
[<
802dd104>] visual_init+0xa8/0xf8
[<
802df414>] do_bind_con_driver+0x140/0x37c
[<
802df764>] do_take_over_console+0x114/0x1c4
[<
802af65c>] do_fbcon_takeover+0x6c/0xd4
[<
802b2b30>] fbcon_event_notify+0x7c8/0x818
[<
80049954>] notifier_call_chain+0x4c/0x8c
[<
80049cd8>] __blocking_notifier_call_chain+0x50/0x68
[<
80049d10>] blocking_notifier_call_chain+0x20/0x28
[<
802a75f0>] fb_notifier_call_chain+0x1c/0x24
[<
802a9224>] register_framebuffer+0x188/0x268
[<
802ee994>] drm_fb_helper_initial_config+0x2bc/0x4b8
[<
802f118c>] drm_fbdev_cma_init+0x7c/0xec
[<
80817288>] imx_fb_helper_init+0x54/0x90
[<
800088c0>] do_one_initcall+0xfc/0x160
[<
807e7c5c>] kernel_init_freeable+0x104/0x1d4
[<
805e2930>] kernel_init+0x10/0xec
[<
8000ea68>] ret_from_fork+0x14/0x2c
other info that might help us debug this:
Chain exists of:
&imx_drm_device->mutex --> &dev->mode_config.mutex --> &crtc->mutex
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&crtc->mutex);
lock(&dev->mode_config.mutex);
lock(&crtc->mutex);
lock(&imx_drm_device->mutex);
*** DEADLOCK ***
6 locks held by swapper/0/1:
#0: (registration_lock){+.+.+.}, at: [<
802a90bc>] register_framebuffer+0x20/0x268
#1: (&fb_info->lock){+.+.+.}, at: [<
802a7a90>] lock_fb_info+0x20/0x44
#2: (console_lock){+.+.+.}, at: [<
802a9218>] register_framebuffer+0x17c/0x268
#3: ((fb_notifier_list).rwsem){.+.+.+}, at: [<
80049cbc>] __blocking_notifier_call_chain+0x34/0x68
#4: (&dev->mode_config.mutex){+.+.+.}, at: [<
802fe758>] drm_modeset_lock_all+0x20/0x54
#5: (&crtc->mutex){+.+...}, at: [<
802fe778>] drm_modeset_lock_all+0x40/0x54
In order to avoid this lockdep warning, remove the locking from
imx_drm_encoder_get_mux_id() and imx_drm_crtc_panel_format_pins().
Tested on a mx6sabrelite and mx53qsb.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Malcolm Priestley [Wed, 9 Oct 2013 19:18:54 +0000 (20:18 +0100)]
staging: vt6656: make pControlURB available life time of driver.
There is no need remove and add the control urb in device open/close.
Move to the probe and disconnect. This make the USB control in/out
functions always available to driver.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sachin Kamat [Wed, 9 Oct 2013 11:41:37 +0000 (17:11 +0530)]
staging: mt29f_spinand: Use module_spi_driver
module_spi_driver removes the boilerplate code and simplifies it.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Henry Pan <hspan@micron.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sachin Kamat [Thu, 10 Oct 2013 04:00:04 +0000 (09:30 +0530)]
staging: xillybus: Use module_platform_driver
module_platform_driver simplifies the code by removing the boilerplate.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alexey Khoroshilov [Tue, 8 Oct 2013 20:50:16 +0000 (00:50 +0400)]
staging: gdm7240: fix memory leak on failure path
init_usb() may fail after some of mux_rxes already allocated.
So we need to release them on the failure path.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alexey Khoroshilov [Tue, 8 Oct 2013 20:50:15 +0000 (00:50 +0400)]
staging: gdm7240: alloc_mux_rx() does not need GFP_ATOMIC
As far as alloc_mux_rx() is called from probe() only
there is no need in GFP_ATOMIC here.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Majunath Goudar [Tue, 8 Oct 2013 10:32:15 +0000 (16:02 +0530)]
zsmalloc: Fix "map_vm_area" undefined reference errors.
This patch adds a MMU dependency to configure the ZSMALLOC in
drivers/staging/zsmalloc/Kconfig. Without this patch, build
system can lead to build failure. This was observed during
randconfig testing, in which ZSMALLOC was enabled w/o MMU being
enabled. Following was the error:
LD vmlinux
drivers/built-in.o: In function `__zs_map_object':
drivers/staging/zsmalloc/zsmalloc-main.c:650: undefined reference to `map_vm_area'
make: *** [vmlinux] Error 1
Signed-off-by: Manjunath Goudar <csmanjuvijay@gmail.com>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 11:54:12 +0000 (14:54 +0300)]
Staging: sm7xxfb: fix line over 80 characters in sm7xxfb.c
Fix checkpatch.pl issues with line over 80 characters
in sm7xxfb.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 01:02:30 +0000 (04:02 +0300)]
Staging: octeon: fix line over 80 characters in ethernet-tx.c
Fix checkpatch.pl issues with line over 80
characters in ethernet-tx.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 01:02:29 +0000 (04:02 +0300)]
Staging: octeon: fix quoted string split across lines in ethernet-tx.c
Fix checkpatch.pl issues with quoted string split
across lines in ethernet-tx.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 00:31:40 +0000 (03:31 +0300)]
Staging: octeon: quoted string split across lines in ethernet-spi.c
Fix checkpatch.pl issues with quoted string split
across lines in ethernet-spi.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 00:08:00 +0000 (03:08 +0300)]
Staging: rtl8187se: suspect code indent for conditional statements in r8185b_init.c
Fix checkpatch.pl issues with suspect code indent for
conditional statements in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 00:07:59 +0000 (03:07 +0300)]
Staging: rtl8187se: fix avoid unnecessary line continuations in r8185b_init.c
Fix checkpatch.pl issues with avoid unnecessary line
continuations in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Valentina Manea [Wed, 9 Oct 2013 19:29:17 +0000 (22:29 +0300)]
staging: r8188eu: Fix sparse warnings regarding static functions
This fixes the following sparse warnings:
* drivers/staging/rtl8188eu/core/rtw_cmd.c:221:5: warning:
symbol 'rtw_cmd_filter' was not declared. Should it be static?
* drivers/staging/rtl8188eu/core/rtw_cmd.c:1670:6: warning:
symbol 'dynamic_chk_wk_hdl' was not declared. Should it be static?
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Wed, 9 Oct 2013 09:51:38 +0000 (15:21 +0530)]
staging:go7007:Fix warning on quoted string on multiple lines
Fix checkpatch.pl warning on quoted string on multiple lines in
go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Wed, 9 Oct 2013 09:51:20 +0000 (15:21 +0530)]
staging:go7007:Fix line over 80 character warning
Fix "line over 80 characters" warning generated by checkpatch.pl for
go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Wed, 9 Oct 2013 09:50:28 +0000 (15:20 +0530)]
staging:go7007 : Replace KERN_INFO with pr_info
Replace KERN_INFO with pr_info in go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Wed, 9 Oct 2013 06:28:54 +0000 (11:58 +0530)]
staging:go7007:Replace KERN_ERR with pr_err
Replace KERN_ERR with pr_err in go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Wed, 9 Oct 2013 06:28:02 +0000 (11:58 +0530)]
staging:go7007:Remove driver-specific debugging defines in favor of pr_debug
Remove driver-specific debugging defines in favor of pr_debug in
go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 20:43:22 +0000 (23:43 +0300)]
Staging: lustre: fix return is not a function, parentheses are not required in lo.c
fix checkpatch.pl issues with return is not a function,
parentheses are not required in lo.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 20:43:21 +0000 (23:43 +0300)]
Staging: lustre: fix space prohibited between function name and open parenthesis '(' in lo.c
Fix checkpatch.pl issues with space prohibited between
function name and open parenthesis '(' in lo.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 20:31:52 +0000 (23:31 +0300)]
Staging: lustre: fix space prohibited between function name and open parenthesis '(' in module.c
Fix checkpatch.pl issues with space prohibited between
function name and open parenthesis '(' in module.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 20:31:51 +0000 (23:31 +0300)]
Staging: lustre: fix ERROR: do not initialise statics to 0 or NULL in module.c
Fix checkpatch.pl issues with do not initialise statics to 0 or NULL in module.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Archana kumari [Tue, 8 Oct 2013 15:58:14 +0000 (21:28 +0530)]
staging:media:lirc: quoted string split across lines
Fix checkpatch.pl issues with quoted string split across lines in lirc_imon.c
Signed-off-by: Archana kumari <archanakumari959@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Teodora Baluta [Tue, 8 Oct 2013 05:57:57 +0000 (01:57 -0400)]
Staging: wlan-ng: fix sparse warnings for static functions
Fix sparse warnings for static functions
* drivers/staging/wlan-ng/cfg80211.c:101:5: warning:
symbol 'prism2_change_virtual_intf' was not declared.
Signed-off-by: Teodora Baluta <teobaluta@gmail.com>
Signed-off-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 15:51:40 +0000 (18:51 +0300)]
Staging: wlan-ng: fix printk(KERN_DEBUG in p80211wep.c
Fix checkpatch.pl issues with prefer netdev_dbg(netdev, .. then
dev_dbg(dev, .. then pr_debug(.. to printk(KERN_DEBUG in p80211wep.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Tue, 8 Oct 2013 15:08:17 +0000 (18:08 +0300)]
Staging: iio: fix sizeof *ring should be sizeof(*ring)
Fix checkpatch.pl issues with sizeof *ring should be sizeof(*ring)
in sca3000_ring.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rashika Kheria [Thu, 10 Oct 2013 18:14:41 +0000 (23:44 +0530)]
Staging: btmtk_usb: Fix line length exceeding 80 characters using min_t macro
This patch fixes the following checkpatch.pl warning in btmtk_usb.c:
WARNING: line over 80 characters in the file
by using kernel built_in min_t macro.
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rashika Kheria [Tue, 8 Oct 2013 14:29:59 +0000 (19:59 +0530)]
Staging: btmtk_usb: Fix indentation for conditional statement
The patch fixes the following checkpatch.pl warning in btmtk_usb.c
WARNING: suspect code indent for conditional statements
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rashika Kheria [Tue, 8 Oct 2013 14:28:24 +0000 (19:58 +0530)]
Staging: btmtk_usb: Removal of Unnecessary white spaces
The patch fixes the following checkpatch.pl warning in btmtk_usb.c
WARNING: unnecessary whitespace before a quoted newline
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rashika Kheria [Tue, 8 Oct 2013 14:24:37 +0000 (19:54 +0530)]
Staging: btmtk_usb: Fix incorrect brace placement
The patch fixes the following checkpatch.pl warning in btmtk_usb.c
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rashika Kheria [Tue, 8 Oct 2013 14:17:32 +0000 (19:47 +0530)]
Staging: btmtk_usb: Fix line length exceeding 80 characters
This patch fixes the following checkpatch.pl warning in btmtk_usb.c
WARNING: line over 80 characters in the file
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Archana kumari [Wed, 9 Oct 2013 16:09:29 +0000 (21:39 +0530)]
Staging:cxt1e1: Fixes whitespace around commas in sbew_ioc.h
Fixes whitepace around commas. Detected via checkpatch.pl.
ERROR: space required after that ','
Signed-off-by: Archana kumari <archanakumari959@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Thu, 10 Oct 2013 12:08:32 +0000 (15:08 +0300)]
Staging: gdm724x: fix line over 80 characters in gdm_tty.c
Fix checkpatch.pl issues wtih line over 80 characters
in gdm_tty.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Valentina Manea [Tue, 8 Oct 2013 10:21:26 +0000 (13:21 +0300)]
staging: gdm724x: Fix sparse warnings regarding static functions/variables
This fixes sparse warnings for functions and variables, e.g.:
* drivers/staging/gdm724x/gdm_mux.c:29:25: warning: symbol
'mux_rx_wq' was not declared. Should it be static?
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Reviewed-by: Zach Brown <zab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jovi Zhangwei [Wed, 9 Oct 2013 14:47:51 +0000 (07:47 -0700)]
staging: ktap: add to the kernel tree
This patch introduces ktap to staging tree.
ktap is a new script-based dynamic tracing tool for Linux,
it uses a scripting language and lets users trace the
Linux kernel dynamically. ktap is designed to give
operational insights with interoperability that allow
users to tune, troubleshoot and extend kernel and application.
It's similar with Linux Systemtap and Solaris Dtrace.
ktap have different design principles from Linux mainstream
dynamic tracing language in that it's based on bytecode,
so it doesn't depend upon GCC, doesn't require compiling
kernel module for each script, safe to use in production
environment, fulfilling the embedded ecosystem's tracing needs.
See ktap tutorial for more information:
http://www.ktap.org/doc/tutorial.html
The merit of putting this software in staging tree is
to make it more possible to get feedback from users
and thus polish the code.
Signed-off-by: Jovi Zhangwei <jovi.zhangwei@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Mon, 7 Oct 2013 14:51:58 +0000 (15:51 +0100)]
staging: comedi: avoid memleak for subdevice private
`comedi_alloc_spriv()` allocates private storage for a comedi subdevice
and sets the `SRF_FREE_SPRIV` flag in the `runflags` member of the
subdevice to allow the private storage to be automatically freed when
the comedi device is being cleaned up. Unfortunately, the flag gets
clobbered by `do_cmd_ioctl()` which calls
`comedi_set_subdevice_runflags()` with a mask value `~0` and only the
`SRF_USER` and `SRF_RUNNING` flags set, all the other SRF flags being
cleared.
Change the calls to `comedi_set_subdevice_runflags()` that currently use
a mask value of `~0` to use a more relevant mask value. For
`do_cmd_ioctl()`, the relevant SRF flags are `SRF_USER`, `SRF_ERROR` and
`SRF_RUNNING`. (At one time, `SRF_RT` would be included in that set of
flags, but it is no longer used.) For `comedi_alloc_spriv()` replace
the call to `comedi_set_subdevice_runflags()` with a simple
OR-assignment to avoid unnecessary use of a spin-lock.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Cc: <stable@vger.kernel.org> # 3.11.y
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Malcolm Priestley [Mon, 7 Oct 2013 19:14:01 +0000 (20:14 +0100)]
staging: vt6656: rxtx.c cleanup s_vGenerateTxParameter
Remove white space and commented out code.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Mon, 7 Oct 2013 15:50:06 +0000 (16:50 +0100)]
staging: comedi: remove 'settling_time_0' from subdevice
The `settling_time_0` member of `struct comedi_subdevice` can be set by
a low-level comedi driver and will be copied to user-space as part of
the information provided by the `COMEDI_SUBDINFO` ioctl. No comedi
driver has ever set it; it's just been left at its initial value of 0.
Remove it to save a bit of space, and behave as though it is 0.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Mon, 7 Oct 2013 15:50:05 +0000 (16:50 +0100)]
staging: comedi: remove unused 'channel flags' support
The `flags` and `flaglist` members of `struct comedi_subdevice` were
defined to supply "all-channel" flags via the `COMEDI_SUBDINFO` ioctl,
or "channel-specific" flags via the `COMEDI_CHANINFO` ioctls,
respectively. However, no comedi driver has ever set them.
It's not entirely clear how "all-channel" flags would differ from the
"subdevice" flags passed by `COMEDI_SUBDINFO`. It is conceivable that
"channel-specific" flags could be used to describe different analog
reference values (or whatever) supported by different channels.
Presumably these would use some sub-set of the `SDF_xxx` subdevice flag
values, or possibly the `CR_xxx` flag values that get packed into a
"chanspec" value (along with a channel number and range code). The
original intentions are lost in the mists of time.
For now, just remove the `flags` and `flaglist` members from `struct
comedi_subdevice` and behave as though they have been left at their
default values (0 or NULL) by the low-level comedi driver.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ian Abbott [Mon, 7 Oct 2013 16:29:38 +0000 (17:29 +0100)]
staging: comedi: dt9812: remove ifdefed out enums
Remove the #if'd out DT9812_DEVID_... enumerated constants and line up
the comments for the others.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Larry Finger [Mon, 7 Oct 2013 15:10:55 +0000 (10:10 -0500)]
staging: r8188eu: Fix skb leak in usb_read_port_complete()
In the completion routine for a usb_fill_bulk_urb() call, an skb is
leaked whenever the status of the USB transaction is not zero. A call
to skb_put() is needed to fix the problem.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Mon, 7 Oct 2013 15:09:59 +0000 (18:09 +0300)]
Staging: bcm: line over 80 characters in Bcmnet.c
Fix checkpatch.pl issues with line over 80 characters in Bcmnet.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Mon, 7 Oct 2013 19:25:28 +0000 (22:25 +0300)]
Staging: xgifb: braces {} are not necessary for single statement in vb_setmode
Fix checkpatch.pl issues with braces {} are not necessary
for single statement blocks in vb_setmode.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Valentina Manea [Mon, 7 Oct 2013 20:12:14 +0000 (23:12 +0300)]
Staging: crystalhd: Fix sparse warnings regarding static functions
This fixes the following sparse warnings:
* drivers/staging/crystalhd/crystalhd_lnx.c:78:29: warning:
symbol 'chd_dec_alloc_iodata' was not declared. Should it be static?
* drivers/staging/crystalhd/crystalhd_lnx.c:99:6: warning:
symbol 'chd_dec_free_iodata' was not declared. Should it be static?
* drivers/staging/crystalhd/crystalhd_lnx.c:630:5: warning:
symbol 'chd_dec_pci_suspend' was not declared. Should it be static?
* drivers/staging/crystalhd/crystalhd_lnx.c:664:5: warning:
symbol 'chd_dec_pci_resume' was not declared. Should it be static?
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sun, 6 Oct 2013 12:46:15 +0000 (15:46 +0300)]
Staging: iio: adt7316-i2c: quoted string split across lines
Fix checkpatch.pl issues with quoted string split across lines in adt7316-i2c.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sun, 6 Oct 2013 12:49:57 +0000 (15:49 +0300)]
Staging: iio: adt7316-spi: fix quoted string split across lines
Fix checkpatch.pl issues with quoted string split across lines in adt7316-spi.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sun, 6 Oct 2013 12:15:38 +0000 (15:15 +0300)]
Staging: iio: printk(KERN_INFO ...
Fix checkpatch.pl issues with prefer netdev_info(netdev, .. then dev_info(dev, ..
then pr_info(... to printk(KERN_INFO .. in lis3l02dq_ring.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sun, 6 Oct 2013 12:15:37 +0000 (15:15 +0300)]
Staging: iio: space prohibited before semicolon
Fix checkpatch.pl issues with space prohibited before semicolon in
lis3l02dq_ring.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sun, 6 Oct 2013 11:46:47 +0000 (14:46 +0300)]
Staging: iio: iio_simple_dummy: fix line over 80 characters
Fix checkpatch.pl issues with line over 80 characters in
iio_simple_dummy.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sat, 5 Oct 2013 15:08:49 +0000 (18:08 +0300)]
Staging: xillybus: quoted strings split across lines
Fix checkpatch.pl issues with quoted strings split across lines in xillybus_core.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sat, 5 Oct 2013 14:11:39 +0000 (17:11 +0300)]
Staging: keucr: fix quoted string split across lines
Fix checkpatch.pl issues quoted string split across lines in usb.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ebru Akagunduz [Sat, 5 Oct 2013 14:09:45 +0000 (17:09 +0300)]
Staging: tidspbridge: fix no space before tabs
Fix checkpatch.pl issues please, no space before tabs in
drivers/staging/tidspbridge/rmgr/dspdrv.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Fri, 4 Oct 2013 21:19:18 +0000 (02:49 +0530)]
staging/media/go7007:Replace kern_debug with pr_debug
Replace kern_debug with pr_debug in go7007-usb.c
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dulshani Gunawardhana [Thu, 3 Oct 2013 19:35:23 +0000 (01:05 +0530)]
staging/cxt1e1:Fixes suspect code indent warning
Fixes checkpatch.pl warning "suspect code indent for conditional
statements" for comet.c.
Signed-off-by: Dulshani Gunawardhana <dulshani.gunawardhana89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 20:35:16 +0000 (23:35 +0300)]
staging: octeon-ethernet: allow to use only 1 CPU for packet processing
Module parameter max_rx_cpus has off-by-one error. Fix that.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 20:35:15 +0000 (23:35 +0300)]
staging: octeon-ethernet: allow to set IRQ smp_affinity freely
Currently the driver assumes that CPU 0 is handling all the hard IRQs.
This is wrong in Linux SMP systems where user is allowed to assign to
hardware IRQs to any CPU. The driver will stop working if user sets
smp_affinity so that interrupts end up being handled by other than CPU
0. The patch fixes that.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:37 +0000 (22:22 +0300)]
staging: octeon-usb: refactor __cvmx_usb_pipe_needs_split
Split a long line and remove redundant parenthesis.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:36 +0000 (22:22 +0300)]
staging: octeon-usb: eliminate submit_handle
Eliminate submit_handle, use a direct reference instead.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:35 +0000 (22:22 +0300)]
staging: octeon-usb: eliminate pipe_handle
Eliminate pipe_handle, use a direct reference instead.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:34 +0000 (22:22 +0300)]
staging: octeon-usb: clean up hcpriv usage
Use ep->hcpriv for pipe handle and urb->hcpriv for submit handle,
instead of packing both into the same field.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:33 +0000 (22:22 +0300)]
staging: octeon-usb: cvmx_usb_submit_control: get params from urb
Get the transfer parameters from urb.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:32 +0000 (22:22 +0300)]
staging: octeon-usb: cvmx_usb_submit_interrupt: get params from urb
Get the transfer parameters from urb.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:31 +0000 (22:22 +0300)]
staging: octeon-usb: cvmx_usb_submit_control: get params from urb
Get the transfer parameters from urb.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:30 +0000 (22:22 +0300)]
staging: octeon-usb: cvmx_usb_submit_bulk: get params from urb
Get the transfer parameters from urb.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:29 +0000 (22:22 +0300)]
staging: octeon-usb: replace generic transfer callback data with urb
URB is always passed, so we can use strong typing here.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:28 +0000 (22:22 +0300)]
staging: octeon-usb: call transfer completion callback directly
The callback is always the same, we can just call it directly.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:27 +0000 (22:22 +0300)]
staging: octeon-usb: call port change callback directly
Call port change callback directly.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:26 +0000 (22:22 +0300)]
staging: octeon-usb: inline cvmx_usb_set_status
Inline a trivial function.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:25 +0000 (22:22 +0300)]
staging: octeon-usb: eliminate cvmx_usb_internal_state
Eliminate cvmx_usb_internal_state, just use cvmx_usb_state everywhere.
This also enables to allocate only the needed amount of data for the
USB internal state, instead of always allocating 64 KB.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen [Sun, 6 Oct 2013 19:22:24 +0000 (22:22 +0300)]
staging: octeon-usb: merge cvmx-usb into octeon-hcd
cvmx-usb module provided Cavium "OS abstraction layer" for USB
functionality. To make this driver a proper Linux driver, we need to
refactor this layer out. By making all the code internal to the HCD
driver makes this task easier.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Mon, 7 Oct 2013 00:22:43 +0000 (17:22 -0700)]
Merge 3.12-rc4 into staging-next
We want the staging fixes in this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Sun, 6 Oct 2013 21:00:20 +0000 (14:00 -0700)]
Linux 3.12-rc4
Eric W. Biederman [Sat, 5 Oct 2013 20:15:30 +0000 (13:15 -0700)]
net: Update the sysctl permissions handler to test effective uid/gid
Modify the code to use current_euid(), and in_egroup_p, as in done
in fs/proc/proc_sysctl.c:test_perm()
Cc: stable@vger.kernel.org
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reported-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 6 Oct 2013 20:38:31 +0000 (13:38 -0700)]
Merge git://git./linux/kernel/git/nab/target-pending
Pull SCSI target fixes from Nicholas Bellinger:
"Here are the outstanding target fixes queued up for v3.12-rc4 code.
The highlights include:
- Make vhost/scsi tag percpu_ida_alloc() use GFP_ATOMIC
- Allow sess_cmd_map allocation failure fallback to use vzalloc
- Fix COMPARE_AND_WRITE se_cmd->data_length bug with FILEIO backends
- Fixes for COMPARE_AND_WRITE callback recursive failure OOPs + non
zero scsi_status bug
- Make iscsi-target do acknowledgement tag release from RX context
- Setup iscsi-target with extra (cmdsn_depth / 2) percpu_ida tags
Also included is a iscsi-target patch CC'ed for v3.10+ that avoids
legacy wait_for_task=true release during fast-past StatSN
acknowledgement, and two other SRP target related patches that address
long-standing issues that are CC'ed for v3.3+.
Extra thanks to Thomas Glanzmann for his testing feedback with
COMPARE_AND_WRITE + EXTENDED_COPY VAAI logic"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target; Allow an extra tag_num / 2 number of percpu_ida tags
iscsi-target: Perform release of acknowledged tags from RX context
iscsi-target: Only perform wait_for_tasks when performing shutdown
target: Fail on non zero scsi_status in compare_and_write_callback
target: Fix recursive COMPARE_AND_WRITE callback failure
target: Reset data_length for COMPARE_AND_WRITE to NoLB * block_size
ib_srpt: always set response for task management
target: Fall back to vzalloc upon ->sess_cmd_map kzalloc failure
vhost/scsi: Use GFP_ATOMIC with percpu_ida_alloc for obtaining tag
ib_srpt: Destroy cm_id before destroying QP.
target: Fix xop->dbl assignment in target_xcopy_parse_segdesc_02
Linus Torvalds [Sun, 6 Oct 2013 20:35:15 +0000 (13:35 -0700)]
Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine fixes from Vinod Koul:
"Here is the slave dmanegine fixes. We have the fix for deadlock issue
on imx-dma by Michael and Josh's edma config fix along with author
change"
* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: imx-dma: fix callback path in tasklet
dmaengine: imx-dma: fix lockdep issue between irqhandler and tasklet
dmaengine: imx-dma: fix slow path issue in prep_dma_cyclic
dma/Kconfig: Make TI_EDMA select TI_PRIV_EDMA
edma: Update author email address
Greg Kroah-Hartman [Sun, 6 Oct 2013 19:39:52 +0000 (12:39 -0700)]
Merge tag 'iio-for-3.13c' of git://git./linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Third set of new functionality and cleanups for IIO in the 3.13 cycle.
Driver New Functionality
* MXS - new interrupt driven touch screen support for i.MX23/28. Old
polled implementation dropped.
Driver Cleanups
* Some spi_sync boilerplate dropped by using spi_sync_transfer
* Some switching of drivers to the fractional type for scale reading.
Moves the ugly calculation into one place.
* Fix the documentation for *_voltage_scale which is never been correct
or as implemented in any driver.
* HID sensor hub and children : Open the sensor hub only when someone cares.
* hmc5843 - various minor
Jan Kara [Wed, 2 Oct 2013 14:27:52 +0000 (16:27 +0200)]
sep: Convert sep_lock_user_pages() to get_user_pages_fast()
CC: Mark Allyn <mark.a.allyn@intel.com>
CC: Jayant Mangalampalli <jayant.mangalampalli@intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jan Kara [Wed, 2 Oct 2013 14:27:49 +0000 (16:27 +0200)]
ced1401: Convert driver to use get_user_pages_fast()
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jan Kara [Wed, 2 Oct 2013 14:27:51 +0000 (16:27 +0200)]
lustre: Convert ll_get_user_pages() to use get_user_pages_fast()
CC: Peng Tao <tao.peng@emc.com>
Acked-by: Andreas Dilger <andreas.dilger@intel.com>
CC: hpdd-discuss@lists.01.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Baruch Siach [Fri, 4 Oct 2013 07:52:41 +0000 (10:52 +0300)]
staging: xillybus: remove redundant Kconfig dependency
XILLYBUS_PCIE and XILLYBUS_OF are inside 'if XILLYBUS' already, so there is not
need to depend on XILLYBUS.
Cc: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Lidza Louina [Fri, 4 Oct 2013 16:18:30 +0000 (12:18 -0400)]
staging: dgnc: changes arguments in sizeof
The arguments that were passed into sizeof were
generic. This patch changes this by putting
the actual item that we need a size of instead.
For example:
- kzalloc(sizeof(struct dgnc_board), GFP_KERNEL);
+ kzalloc(sizeof(*brd), GFP_KERNEL);
Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linus Torvalds [Sat, 5 Oct 2013 19:17:24 +0000 (12:17 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"This is a small collection of fixes, including a regression fix from
Liu Bo that solves rare crashes with compression on.
I've merged my for-linus up to 3.12-rc3 because the top commit is only
meant for 3.12. The rest of the fixes are also available in my master
branch on top of my last 3.11 based pull"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: Fix crash due to not allocating integrity data for a bioset
Btrfs: fix a use-after-free bug in btrfs_dev_replace_finishing
Btrfs: eliminate races in worker stopping code
Btrfs: fix crash of compressed writes
Btrfs: fix transid verify errors when recovering log tree
Linus Torvalds [Sat, 5 Oct 2013 19:11:40 +0000 (12:11 -0700)]
Merge tag 'gpio-v3.12-2' of git://git./linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Two patches for the OMAP driver, dealing with setting up IRQs properly
on the device tree boot path"
* tag 'gpio-v3.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio/omap: auto-setup a GPIO when used as an IRQ
gpio/omap: maintain GPIO and IRQ usage separately
Linus Torvalds [Sat, 5 Oct 2013 18:54:10 +0000 (11:54 -0700)]
Merge tag 'usb-3.12-rc4' of git://git./linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are none fixes for various USB driver problems. The majority are
gadget/musb fixes, but there are some new device ids in here as well"
* tag 'usb-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: chipidea: add Intel Clovertrail pci id
usb: gadget: s3c-hsotg: fix can_write limit for non-periodic endpoints
usb: gadget: f_fs: fix error handling
usb: musb: dsps: do not bind to "musb-hdrc"
USB: serial: option: Ignore card reader interface on Huawei E1750
usb: musb: gadget: fix otg active status flag
usb: phy: gpio-vbus: fix deferred probe from __init
usb: gadget: pxa25x_udc: fix deferred probe from __init
usb: musb: fix otg default state
Linus Torvalds [Sat, 5 Oct 2013 18:26:19 +0000 (11:26 -0700)]
Merge tag 'tty-3.12-rc4' of git://git./linux/kernel/git/gregkh/tty
Pull tty fixes from Greg KH:
"Here are two tty driver fixes for 3.12-rc4.
One fixes the reported regression in the n_tty code that a number of
people found recently, and the other one fixes an issue with xen
consoles that broke in 3.10"
* tag 'tty-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
xen/hvc: allow xenboot console to be used again
tty: Fix pty master read() after slave closes
Linus Torvalds [Sat, 5 Oct 2013 18:25:38 +0000 (11:25 -0700)]
Merge tag 'staging-3.12-rc4' of git://git./linux/kernel/git/gregkh/staging
Pull staging fixes from Greg KH:
"Here are 4 tiny staging and iio driver fixes for 3.12-rc4. Nothing
major, just some small fixes for reported issues"
* tag 'staging-3.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: ni_65xx: (bug fix) confine insn_bits to one subdevice
iio:magnetometer: Bugfix magnetometer default output registers
iio: Remove debugfs entries in iio_device_unregister()
iio: amplifiers: ad8366: Remove regulator_put
Darrick J. Wong [Fri, 20 Sep 2013 03:37:07 +0000 (20:37 -0700)]
btrfs: Fix crash due to not allocating integrity data for a bioset
When btrfs creates a bioset, we must also allocate the integrity data pool.
Otherwise btrfs will crash when it tries to submit a bio to a checksumming
disk:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000018
IP: [<
ffffffff8111e28a>] mempool_alloc+0x4a/0x150
PGD
2305e4067 PUD
23063d067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: btrfs scsi_debug xfs ext4 jbd2 ext3 jbd mbcache
sch_fq_codel eeprom lpc_ich mfd_core nfsd exportfs auth_rpcgss af_packet
raid6_pq xor zlib_deflate libcrc32c [last unloaded: scsi_debug]
CPU: 1 PID: 4486 Comm: mount Not tainted 3.12.0-rc1-mcsum #2
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
task:
ffff8802451c9720 ti:
ffff880230698000 task.ti:
ffff880230698000
RIP: 0010:[<
ffffffff8111e28a>] [<
ffffffff8111e28a>] mempool_alloc+0x4a/0x150
RSP: 0018:
ffff880230699688 EFLAGS:
00010286
RAX:
0000000000000001 RBX:
0000000000000000 RCX:
00000000005f8445
RDX:
0000000000000001 RSI:
0000000000000010 RDI:
0000000000000000
RBP:
ffff8802306996f8 R08:
0000000000011200 R09:
0000000000000008
R10:
0000000000000020 R11:
ffff88009d6e8000 R12:
0000000000011210
R13:
0000000000000030 R14:
ffff8802306996b8 R15:
ffff8802451c9720
FS:
00007f25b8a16800(0000) GS:
ffff88024fc80000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
CR2:
0000000000000018 CR3:
0000000230576000 CR4:
00000000000007e0
Stack:
ffff8802451c9720 0000000000000002 ffffffff81a97100 0000000000281250
ffffffff81a96480 ffff88024fc99150 ffff880228d18200 0000000000000000
0000000000000000 0000000000000040 ffff880230e8c2e8 ffff8802459dc900
Call Trace:
[<
ffffffff811b2208>] bio_integrity_alloc+0x48/0x1b0
[<
ffffffff811b26fc>] bio_integrity_prep+0xac/0x360
[<
ffffffff8111e298>] ? mempool_alloc+0x58/0x150
[<
ffffffffa03e8041>] ? alloc_extent_state+0x31/0x110 [btrfs]
[<
ffffffff81241579>] blk_queue_bio+0x1c9/0x460
[<
ffffffff8123e58a>] generic_make_request+0xca/0x100
[<
ffffffff8123e639>] submit_bio+0x79/0x160
[<
ffffffffa03f865e>] btrfs_map_bio+0x48e/0x5b0 [btrfs]
[<
ffffffffa03c821a>] btree_submit_bio_hook+0xda/0x110 [btrfs]
[<
ffffffffa03e7eba>] submit_one_bio+0x6a/0xa0 [btrfs]
[<
ffffffffa03ef450>] read_extent_buffer_pages+0x250/0x310 [btrfs]
[<
ffffffff8125eef6>] ? __radix_tree_preload+0x66/0xf0
[<
ffffffff8125f1c5>] ? radix_tree_insert+0x95/0x260
[<
ffffffffa03c66f6>] btree_read_extent_buffer_pages.constprop.128+0xb6/0x120
[btrfs]
[<
ffffffffa03c8c1a>] read_tree_block+0x3a/0x60 [btrfs]
[<
ffffffffa03caefd>] open_ctree+0x139d/0x2030 [btrfs]
[<
ffffffffa03a282a>] btrfs_mount+0x53a/0x7d0 [btrfs]
[<
ffffffff8113ab0b>] ? pcpu_alloc+0x8eb/0x9f0
[<
ffffffff81167305>] ? __kmalloc_track_caller+0x35/0x1e0
[<
ffffffff81176ba0>] mount_fs+0x20/0xd0
[<
ffffffff81191096>] vfs_kern_mount+0x76/0x120
[<
ffffffff81193320>] do_mount+0x200/0xa40
[<
ffffffff81135cdb>] ? strndup_user+0x5b/0x80
[<
ffffffff81193bf0>] SyS_mount+0x90/0xe0
[<
ffffffff8156d31d>] system_call_fastpath+0x1a/0x1f
Code: 4c 8d 75 a8 4c 89 6d e8 45 89 e0 4c 8d 6f 30 48 89 5d d8 41 83 e0 af 48
89 fb 49 83 c6 18 4c 89 7d f8 65 4c 8b 3c 25 c0 b8 00 00 <48> 8b 73 18 44 89 c7
44 89 45 98 ff 53 20 48 85 c0 48 89 c2 74
RIP [<
ffffffff8111e28a>] mempool_alloc+0x4a/0x150
RSP <
ffff880230699688>
CR2:
0000000000000018
---[ end trace
7a96042017ed21e2 ]---
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Chris Mason [Sat, 5 Oct 2013 14:51:32 +0000 (10:51 -0400)]
Merge branch 'for-linus' into for-linus-3.12
Lars-Peter Clausen [Sat, 5 Oct 2013 07:45:00 +0000 (08:45 +0100)]
staging:iio:ad9951: Use spi_sync_transfer()
Use the spi_sync_transfer() helper function instead of open-coding it. Makes the
code a bit shorter.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Lars-Peter Clausen [Sat, 5 Oct 2013 07:45:00 +0000 (08:45 +0100)]
staging:iio:ad9910: Use spi_sync_transfer()
Use the spi_sync_transfer() helper function instead of open-coding it. Makes
the code a bit shorter.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>