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Pull DMA mask updates from Russell King:
"This series cleans up the handling of DMA masks in a lot of drivers,
fixing some bugs as we go.
Some of the more serious errors include:
- drivers which only set their coherent DMA mask if the attempt to
set the streaming mask fails.
- drivers which test for a NULL dma mask pointer, and then set the
dma mask pointer to a location in their module .data section -
which will cause problems if the module is reloaded.
To counter these, I have introduced two helper functions:
- dma_set_mask_and_coherent() takes care of setting both the
streaming and coherent masks at the same time, with the correct
error handling as specified by the API.
- dma_coerce_mask_and_coherent() which resolves the problem of
drivers forcefully setting DMA masks. This is more a marker for
future work to further clean these locations up - the code which
creates the devices really should be initialising these, but to fix
that in one go along with this change could potentially be very
disruptive.
The last thing this series does is prise away some of Linux's addition
to "DMA addresses are physical addresses and RAM always starts at
zero". We have ARM LPAE systems where all system memory is above 4GB
physical, hence having DMA masks interpreted by (eg) the block layers
as describing physical addresses in the range 0..DMAMASK fails on
these platforms. Santosh Shilimkar addresses this in this series; the
patches were copied to the appropriate people multiple times but were
ignored.
Fixing this also gets rid of some ARM weirdness in the setup of the
max*pfn variables, and brings ARM into line with every other Linux
architecture as far as those go"
* 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm: (52 commits)
ARM: 7805/1: mm: change max*pfn to include the physical offset of memory
ARM: 7797/1: mmc: Use dma_max_pfn(dev) helper for bounce_limit calculations
ARM: 7796/1: scsi: Use dma_max_pfn(dev) helper for bounce_limit calculations
ARM: 7795/1: mm: dma-mapping: Add dma_max_pfn(dev) helper function
ARM: 7794/1: block: Rename parameter dma_mask to max_addr for blk_queue_bounce_limit()
ARM: DMA-API: better handing of DMA masks for coherent allocations
ARM: 7857/1: dma: imx-sdma: setup dma mask
DMA-API: firmware/google/gsmi.c: avoid direct access to DMA masks
DMA-API: dcdbas: update DMA mask handing
DMA-API: dma: edma.c: no need to explicitly initialize DMA masks
DMA-API: usb: musb: use platform_device_register_full() to avoid directly messing with dma masks
DMA-API: crypto: remove last references to 'static struct device *dev'
DMA-API: crypto: fix ixp4xx crypto platform device support
DMA-API: others: use dma_set_coherent_mask()
DMA-API: staging: use dma_set_coherent_mask()
DMA-API: usb: use new dma_coerce_mask_and_coherent()
DMA-API: usb: use dma_set_coherent_mask()
DMA-API: parport: parport_pc.c: use dma_coerce_mask_and_coherent()
DMA-API: net: octeon: use dma_coerce_mask_and_coherent()
DMA-API: net: nxp/lpc_eth: use dma_coerce_mask_and_coherent()
...
Merge first patch-bomb from Andrew Morton:
"Quite a lot of other stuff is banked up awaiting further
next->mainline merging, but this batch contains:
- Lots of random misc patches
- OCFS2
- Most of MM
- backlight updates
- lib/ updates
- printk updates
- checkpatch updates
- epoll tweaking
- rtc updates
- hfs
- hfsplus
- documentation
- procfs
- update gcov to gcc-4.7 format
- IPC"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (269 commits)
ipc, msg: fix message length check for negative values
ipc/util.c: remove unnecessary work pending test
devpts: plug the memory leak in kill_sb
./Makefile: export initial ramdisk compression config option
init/Kconfig: add option to disable kernel compression
drivers: w1: make w1_slave::flags long to avoid memory corruption
drivers/w1/masters/ds1wm.cuse dev_get_platdata()
drivers/memstick/core/ms_block.c: fix unreachable state in h_msb_read_page()
drivers/memstick/core/mspro_block.c: fix attributes array allocation
drivers/pps/clients/pps-gpio.c: remove redundant of_match_ptr
kernel/panic.c: reduce 1 byte usage for print tainted buffer
gcov: reuse kbasename helper
kernel/gcov/fs.c: use pr_warn()
kernel/module.c: use pr_foo()
gcov: compile specific gcov implementation based on gcc version
gcov: add support for gcc 4.7 gcov format
gcov: move gcov structs definitions to a gcc version specific file
kernel/taskstats.c: return -ENOMEM when alloc memory fails in add_del_listener()
kernel/taskstats.c: add nla_nest_cancel() for failure processing between nla_nest_start() and nla_nest_end()
kernel/sysctl_binary.c: use scnprintf() instead of snprintf()
...
Pull vfs updates from Al Viro:
"All kinds of stuff this time around; some more notable parts:
- RCU'd vfsmounts handling
- new primitives for coredump handling
- files_lock is gone
- Bruce's delegations handling series
- exportfs fixes
plus misc stuff all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (101 commits)
ecryptfs: ->f_op is never NULL
locks: break delegations on any attribute modification
locks: break delegations on link
locks: break delegations on rename
locks: helper functions for delegation breaking
locks: break delegations on unlink
namei: minor vfs_unlink cleanup
locks: implement delegations
locks: introduce new FL_DELEG lock flag
vfs: take i_mutex on renamed file
vfs: rename I_MUTEX_QUOTA now that it's not used for quotas
vfs: don't use PARENT/CHILD lock classes for non-directories
vfs: pull ext4's double-i_mutex-locking into common code
exportfs: fix quadratic behavior in filehandle lookup
exportfs: better variable name
exportfs: move most of reconnect_path to helper function
exportfs: eliminate unused "noprogress" counter
exportfs: stop retrying once we race with rename/remove
exportfs: clear DISCONNECTED on all parents sooner
exportfs: more detailed comment for path_reconnect
...
glibc recently changed the error string for ESTALE to remove "NFS" -
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=96945714ec61951cc748da2b4b8a80cf02127ee9
from: [ERR_REMAP (ESTALE)] = N_("Stale NFS file handle"),
to: [ERR_REMAP (ESTALE)] = N_("Stale file handle"),
And some have expressed concern that the kernel's errno.h
comments still refer to NFS.
So make that change... note that this is a comment-only change,
and has no functional difference.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Merged the GPIO descriptor API from Alexandre Courbot.
This is a first step toward trying to get rid of the
global GPIO numberspace for the future.
- Add an API so that driver can flag that a certain GPIO
line is being used by a irqchip backend for generating
IRQs, so that we can enforce checks, like not allowing
users to switch that line to an output at runtime, since
this makes no sense. Implemented corresponding calls
in a few select drivers.
- ACPI GPIO cleanups, refactorings and switch to using the
descriptor-based interface.
- Support for the TPS80036 Palmas GPIO variant.
- A new driver for the Broadcom Kona GPIO SoC IP block.
- Device tree support for the PCF857x driver.
- A set of ARM GPIO refactorings with the goal of getting
rid of a bunch of custom GPIO implementations from the
arch/arm/* tree:
- Move the IOP GPIO driver to the GPIO subsystem and
fix all users to use the gpiolib API for accessing
GPIOs. Delete the old custom GPIO implementation.
- Delete the unused custom PXA GPIO implemention.
- Convert all users of the IXP4 custom GPIO
implementation to use gpiolib and delete the custom
implementation.
- Delete the custom Gemini GPIO implementation, also
completely unused.
- Various cleanups and renamings.
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Merge tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"Here is the bulk of GPIO changes for the v3.13 development cycle.
I've got ACKs for the things that affect other subsystems (or it's my
own subsystem, like pinctrl). Most of that pertain to an attempt from
my side to consolidate and get rid of custom GPIO implementations in
the ARM tree. I will continue doing this.
The main change this time is the new GPIO descriptor API, background
for this can be found in Corbet's summary from this january in LWN:
http://lwn.net/Articles/533632/
Summary:
- Merged the GPIO descriptor API from Alexandre Courbot. This is a
first step toward trying to get rid of the global GPIO numberspace
for the future.
- Add an API so that driver can flag that a certain GPIO line is
being used by a irqchip backend for generating IRQs, so that we can
enforce checks, like not allowing users to switch that line to an
output at runtime, since this makes no sense. Implemented
corresponding calls in a few select drivers.
- ACPI GPIO cleanups, refactorings and switch to using the
descriptor-based interface.
- Support for the TPS80036 Palmas GPIO variant.
- A new driver for the Broadcom Kona GPIO SoC IP block.
- Device tree support for the PCF857x driver.
- A set of ARM GPIO refactorings with the goal of getting rid of a
bunch of custom GPIO implementations from the arch/arm/* tree:
* Move the IOP GPIO driver to the GPIO subsystem and fix all users
to use the gpiolib API for accessing GPIOs. Delete the old
custom GPIO implementation.
* Delete the unused custom PXA GPIO implemention.
* Convert all users of the IXP4 custom GPIO implementation to use
gpiolib and delete the custom implementation.
* Delete the custom Gemini GPIO implementation, also completely
unused.
- Various cleanups and renamings"
* tag 'gpio-v3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (85 commits)
gpio: gpio-mxs: Remove unneeded dt checks
gpio: pl061: don't depend on CONFIG_ARM
gpio: bcm-kona: add missing .owner to struct gpio_chip
gpiolib: provide a declaration of seq_file in gpio/driver.h
gpiolib: include gpio/consumer.h in of_gpio.h for desc_to_gpio()
gpio: provide stubs for devres gpio functions
gpiolib: devres: add missing headers
gpiolib: make GPIO_DEVRES depend on GPIOLIB
gpiolib: devres: fix devm_gpiod_get_index()
gpiolib / ACPI: document the GPIO descriptor based interface
gpiolib / ACPI: allow passing GPIOF_ACTIVE_LOW for GpioInt resources
gpiolib / ACPI: add ACPI support for gpiod_get_index()
gpiolib / ACPI: convert to gpiod interfaces
gpiolib: add gpiod_get() and gpiod_put() functions
gpiolib: port of_ functions to use gpiod
gpiolib: export descriptor-based GPIO interface
Fixup "MAINTAINERS: GPIO-INTEL-MID: add maintainer"
gpio: bcm281xx: Don't print addresses of GPIO area in probe()
gpio: tegra: use new gpio_lock_as_irq() API
gpio: rcar: Include linux/of.h header
...
As well as the usual driver updates and cleanups there's a few
improvements to the core here:
- The start of some improvements to factor out more of the SPI message
loop into the core. Right now this is just simplifying the code a
bit but hopefully next time around we'll also have managed to roll
out some noticable performance improvements which drivers can take
advantage of.
- Support for loading modules for ACPI enumerated SPI devices.
- Managed registration for SPI controllers.
- Helper for another common I/O pattern.
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Merge tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"As well as the usual driver updates and cleanups there's a few
improvements to the core here:
- The start of some improvements to factor out more of the SPI
message loop into the core. Right now this is just simplifying the
code a bit but hopefully next time around we'll also have managed
to roll out some noticable performance improvements which drivers
can take advantage of.
- Support for loading modules for ACPI enumerated SPI devices.
- Managed registration for SPI controllers.
- Helper for another common I/O pattern"
* tag 'spi-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (116 commits)
spi/hspi: add device tree support
spi: atmel: fix return value check in atmel_spi_probe()
spi: spi-imx: only enable the clocks when we start to transfer a message
spi/s3c64xx: Fix doubled clock disable on suspend
spi/s3c64xx: Do not ignore return value of spi_master_resume/suspend
spi: spi-mxs: Use u32 instead of uint32_t
spi: spi-mxs: Don't set clock for each xfer
spi: spi-mxs: Clean up setup_transfer function
spi: spi-mxs: Remove check of spi mode bits
spi: spi-mxs: Fix race in setup method
spi: spi-mxs: Remove bogus setting of ssp clk rate field
spi: spi-mxs: Remove full duplex check, spi core already does it
spi: spi-mxs: Fix chip select control bits in DMA mode
spi: spi-mxs: Fix extra CS pulses and read mode in multi-transfer messages
spi: spi-mxs: Change flag arguments in txrx functions to bit flags
spi: spi-mxs: Always clear INGORE_CRC, to keep CS asserted
spi: spi-mxs: Remove mxs_spi_enable and mxs_spi_disable
spi: spi-mxs: Always set LOCK_CS
spi/s3c64xx: Add missing pm_runtime_put on setup fail
spi/s3c64xx: Add missing pm_runtime_set_active() call in probe()
...
Cc: David Howells <dhowells@redhat.com>
Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Here's the big drivers/staging/ update for 3.13-rc1.
Nothing major here, just a _ton_ of fixes and cleanups, mostly driven by
the new round of OPW applicants, but also there are lots of other people
doing staging tree cleanups these days in order to help get the drivers
into mergable shape.
We also merge, and then revert, the ktap code, as Ingo and the other
perf/ftrace developers feel it should go into the "real" part of the
kernel with only a bit more work, so no need to put it in staging for
now.
All of this has been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver update from Greg KH:
"Here's the big drivers/staging/ update for 3.13-rc1.
Nothing major here, just a _ton_ of fixes and cleanups, mostly driven
by the new round of OPW applicants, but also there are lots of other
people doing staging tree cleanups these days in order to help get the
drivers into mergable shape.
We also merge, and then revert, the ktap code, as Ingo and the other
perf/ftrace developers feel it should go into the "real" part of the
kernel with only a bit more work, so no need to put it in staging for
now.
All of this has been in linux-next for a while with no reported
issues"
* tag 'staging-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1045 commits)
staging: drm/imx: fix return value check in ipu_add_subdevice_pdata()
Staging: zram: Fix access of NULL pointer
Staging: zram: Fix variable dereferenced before check
Staging: rtl8187se: space prohibited before semicolon in r8185b_init.c
Staging: rtl8187se: fix space prohibited after that open parenthesis '(' in r8185b_init.c
Staging: rtl8187se: fix braces {} are not necessary for single statement blocks in r8185b_init.c
Staging: rtl8187se: fix trailing whitespace in r8185b_init.c
Staging: rtl8187se: fix please, no space before tabs in r8185b_init.c
drivers/staging/nvec/Kconfig: remove trailing whitespace
Staging: dwc2: Fix variable dereferenced before check
Staging: xgifb: fix braces {} are not necessary for any arm of this statement
staging: rtl8192e: remove unneeded semicolons
staging: rtl8192e: use true and false for bool variables
staging: ft1000: return values corrected in scram_start_dwnld
staging: ft1000: change values of status return variable in write_dpram32_and_check
staging: bcm: Remove unnecessary pointer casting
imx-drm: ipuv3-crtc: Invert IPU DI0 clock polarity
staging: r8188eu: Fix sparse warnings in rtl_p2p.c
staging: r8188eu: Fix sparse warnings in rtw_mlme_ext.c
staging: r8188eu: Fix sparse warnings in rtl8188e.cmd.c
...
The correct way for a driver to specify the coherent DMA mask is
not to directly access the field in the struct device, but to use
dma_set_coherent_mask(). Only arch and bus code should access this
member directly.
Convert all direct write accesses to using the correct API.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Replace the following sequence:
dma_set_mask(dev, mask);
dma_set_coherent_mask(dev, mask);
with a call to the new helper dma_set_mask_and_coherent().
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The icount.reserved[] array isn't initialized so it leaks stack
information to userspace.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The DevInfo.u32Reserved[] array isn't initialized so it leaks kernel
information to user space.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We need to check the length parameter before doing the memcpy(). I've
actually changed it to strlcpy() as well so that it's NUL terminated.
You need CAP_NET_ADMIN to trigger these so it's not the end of the
world.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We need to check "count" so we don't overflow the ei->data buffer.
Reported-by: Nico Golde <nico@ngolde.de>
Reported-by: Fabian Yamaguchi <fabs@goesec.de>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
In case of error, the function platform_device_register_data() returns
ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the bug in reset_store caused by accessing NULL pointer.
The bdev gets its value from bdget_disk() which could fail when memory
pressure is severe and hence can return NULL because allocation of
inode in bdget could fail.
Hence, this patch introduces a check for bdev to prevent reference to a
NULL pointer in the later part of the code. It also removes unnecessary
check of bdev for fsync_bdev().
Cc: stable <stable@vger.kernel.org>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following Smatch warning in zram_drv.c-
drivers/staging/zram/zram_drv.c:899
destroy_device() warn: variable dereferenced before check 'zram->disk' (see line 896)
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with space prohibited
before semicolon in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with space prohibited after that
open parenthesis '(' in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with braces {} are not necessary
for single statement blocks in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with please, no space before
tabs in r8185b_init.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following smatch warning in hcd_intr.c-
drivers/staging/dwc2/hcd_intr.c:1946 dwc2_hc_n_intr() warn: variable dereferenced before check 'chan' (see line 1936)
Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl issues with braces {} are not necessary
for any arm of this statement in vb_setmode.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes coccinelle errors for bool variables
initialized with 1 or 0 instead of true and false.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ft1000 usb driver ignores expected Linux error codes, and uses two
values defined in ft1000_usb.h: STATUS_SUCCESS 0, and STATUS_FAILURE
0x1001; and sometimes -1. This patch changes the return values of the
function scram_start_dwnld to match the status of the handshake returned
by its helper functions, get_handshake and get_handshake_usb. If the
handshake fails, -ENETRESET is returned instead of the inappropriate
STATUS_FAILURE. Also, a new test has been added to differentiate failure
due to timeout from failure due to net reset (the default). -ETIMEDOUT
is returned in this case. Finally, 0 is returned on success instead of
STATUS_SUCCESS.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ft1000 usb driver ignores expected Linux error codes, and uses two
values defined in ft1000_usb.h: STATUS_SUCCESS 0, and STATUS_FAILURE
0x1001; and sometimes -1. This patch changes the return value of the
function write_dpram_32_and check to 0 or -EREMOTEIO, respectively. The
relevant change was made in the helper function check_buffers (which is
only called from write_dpram32_and_check); it now returns 0 on success
and -EREMOTEIO on failure, and this is allowed to propagate through
write_dpram32_and_check. Assignments to the return variable status that
are no longer needed were removed as well. In one function up the call
chain, dsp_reload in ft1000_hw.c, the status variable was changed from
u16 to int to avoid collecting a signed value in an unsigned variable.
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some void pointers can be assigned to other
pointer variables in functions without casting.
Signed-off-by: Lisa Nguyen <lisa@xenapiadmin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
sig_cfg.clk_pol controls the 'di0_polarity_disp_clk' bit of register
IPUx_DI0_GENERAL through the following code in imx-drm/ipu-v3/ipu-di.c:
if (!sig->clk_pol)
di_gen |= DI_GEN_POLARITY_DISP_CLK;
With 'di0_polarity_disp_clk' bit set we do not have stable HDMI output on
mx6solo: contours of pictures look jittery and the white colour does not appear
really white.
Russell King initially reported this problem at:
http://www.spinics.net/lists/arm-kernel/msg279805.html
Inverting 'di0_polarity_disp_clk' leads to stable HDMI output image.
Tested on the following boards:
- mx6solowandboard (HDMI output)
- mx6qwandboard (HDMI output)
- mx6qsabrelite (LVDS)
- mx6qsabresd (HDMI output and LVDS)
- mx6dlsabresd (HDMI output)
- mx53qsb (parallel WVGA display)
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Suggested-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sparse displays the following:
CHECK drivers/staging/rtl8188eu/core/rtw_p2p.c
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:162:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:221:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:292:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_p2p.c:371:15: got restricted __le16 *<noident>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sparse displays the following:
CHECK drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:1874:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2221:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2583:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:2750:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3002:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3197:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3311:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:3563:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4522:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4750:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:4906:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5040:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5184:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5322:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5654:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5769:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5894:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:5996:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: expected unsigned short [usertype] *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6066:15: got restricted __le16 *<noident>
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: warning: incorrect type in assignment (different base types)
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: expected unsigned short *fctrl
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c:6200:15: got restricted __le16 *<noident>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Replace the use of the `S626_MULT_X1`, `S626_MULT_X2` and `S626_MULT_X4`
clock multiplier values with the equivalent `S626_CLKMULT_1X`,
`S626_CLKMULT_2X` and `S626_CLKMULT_4X` values to avoid duplication.
Replace the use of `S626_MULT_X0` with a new macro
`S626_CLKMULT_SPECIAL` (this is treated specially by the
'ClkMultA'/'ClkMultB' field of the 'CRA'/'CRB' register). Remove the
now unused `S626_MULT_X?` macros.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The `S626_BF_*` bitfield position macros are no longer used and are just
a subset of the corresponding `S626_STDBIT_*` bitfield position macros.
Remove them.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The 'IndxSrc' value for the standardized encoder setup is currently 1
bit wide and takes one of the following values:
S626_INDXSRC_HARD = 0 // index source from hardware encoder
S626_INDXSRC_SOFT = 1 // index source software controlled by IndxPol
However the hardware 'IndxSrcA' and 'IndxSrcB' values for the 'A' and
'B' counters are 2 bits wide. The above standardized values 0 and 1
correspond to the hardware values 0 and 2.
In order to simplify conversions between the standardized values and
hardware values, expand the range of standardized values to cover all
four possible values. The new values are as follows:
S626_INDXSRC_ENCODER = 0 // index source from hardware encoder
S626_INDXSRC_DIGIN = 1 // index source from digital inputs
S626_INDXSRC_SOFT = 2 // index source s/w controlled by IndxPol
S626_INDXSRC_DISABLED = 2 // index source disabled
(Note the change in value for `S626_INDXSRC_SOFT` and the replacement of
`S626_INDXSRC_HARD` with `S626_INDXSRC_ENCODER` for consistency with the
`CntSrc` values.)
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the new macros defined in "s626.h" for constructing and decomposing
'CRA', 'CRB' and standardized encoder setup values to make the
conversions between standardized encoder setup values, and CRA/CRB
register values easier to follow.
There is some messing about with the 'IndxSrc' values which are 1-bit
wide in the standardized encoder setup, and 2-bit wide in the 'CRA' and
'CRB' register values. This will be addressed by a later patch.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In case of error, the function platform_device_register_simple() returns
ERR_PTR() and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
As pointed out by Hartley Sweeten, one of my recent patches resulted in
the start of a multi-line comment ending up misaligned. Fix it.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The latest version of NetworkManager does not recognize the device as wireless
without this change.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org> # [3.12+]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Emitting an OOM message isn't necessary after input_allocate_device
as there's a generic OOM and a dump_stack already done.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Checking if MAC address is valid using is_valid_ether_addr() is already done in
of_get_mac_address().
Signed-off-by: Luka Perkov <luka@openwrt.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch removes a space before semicolon as
specified by checkpatch.pl.
Signed-off-by: Kevin McKinney <klmckinney1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Removed a developer debug statement per the TODO list. Additionally,
removed braces for the if-statement to match coding style.
Signed-off-by: Chuong Ngo <cngo.github@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Running checkpatch.pl on the file drivers/staging/bcm/Adapter.h gave
an error as it is a mistake to use typedef for structures
according to CodeingStyle as it reduces readability. The typedef was
removed and all occurrences of the typedef union were replaced with
union u_ip_address as types are all lowercase.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the Sparse Warnings "symbol was
not declared. Should it be static?" and "defined
but not used [-Wunused-variable]"
in reg.c
Signed-off-by: Ebru Akagunduz <ebru.akagunduz@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
