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return type of wait_for_completion_timeout is unsigned long not int, this
patch uses the return value of wait_for_completion_timeout in the condition
directly rather than assigning it to an incorrect type variable.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Mark Brown <broonie@kernel.org>
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return type of wait_for_completion_timeout is unsigned long not int, this
patch changes the type of m from int to unsigned long.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Mark Brown <broonie@kernel.org>
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SMBus access functions assume that 16-bit values are formatted as
little endian numbers. The direct i2c access functions in regmap,
however, assume that 16-bit values are formatted as big endian numbers.
As a result, the current code returns different values if an i2c chip's
16-bit registers are accessed through i2c access functions vs. SMBus
access functions.
Use regmap_smbus_read_word_swapped and regmap_smbus_write_word_swapped
for 16-bit SMBus accesses if a chip is configured as REGMAP_ENDIAN_BIG.
If the chip is configured as REGMAP_ENDIAN_LITTLE, keep using
regmap_smbus_write_word_data and regmap_smbus_read_word_data. Otherwise
reject registration if the controller does not support direct i2c accesses.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We'll need to call it from regmap-i2c.c, which can be built as module.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Move the include of mach/dma.h to the legacy PXA DMA code where it is used.
This enables building spi-pxa2xx on ARM64.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
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this patch fixes following sparse warning:
ts3a227e.c:222:5: warning: symbol 'ts3a227e_enable_jack_detect' was not declared. Should it be static?
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The patch "module: fix types of device tables aliases" newly requires
that invocations of
MODULE_DEVICE_TABLE(type, name);
come *after* the definition of `name'. That is reasonable, but gscps2
wasn't doing this. Fix it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull cifs fixes from Steve French:
"Three small cifs fixes. One fixes a hang under stress, and the other
two are security related"
* 'for-next' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix MUST SecurityFlags filtering
Complete oplock break jobs before closing file handle
cifs: use memzero_explicit to clear stack buffer
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Pull ARM fixes from Russell King:
"A number of ARM fixes, the biggest is fixing a regression caused by
appended DT blobs exceeding 64K, causing the decompressor fixup code
to fail to patch the DT blob. Another important fix is for the ASID
allocator from Will Deacon which prevents some rare crashes seen on
some systems. Lastly, there's a build fix for v7M systems when printk
support is disabled.
The last two remaining fixes are more cosmetic - the IOMMU one
prevents an annoying harmless warning message, and we disable the
kernel strict memory permissions on non-MMU which can't support it
anyway"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8299/1: mm: ensure local active ASID is marked as allocated on rollover
ARM: 8298/1: ARM_KERNMEM_PERMS only works with MMU enabled
ARM: 8295/1: fix v7M build for !CONFIG_PRINTK
ARM: 8294/1: ATAG_DTB_COMPAT: remove the DT workspace's hardcoded 64KB size
ARM: 8288/1: dma-mapping: don't detach devices without an IOMMU during teardown
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OmniVision Technologies is a manufacturer of CMOS Image Sensors.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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The correct symbol for OmniVision Technologies is 'ovti', so let's convert it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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this patch fixes following sparse warning:
fdt.c:765:12: warning: symbol 'early_init_dt_scan_chosen_serial' was not declared. Should it be static?
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Introduce I2C device tree overlay tests.
Tests insertion and removal of i2c adapters, i2c devices, and muxes.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Linux 3.19-rc6
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If hashtab_create() returns a NULL pointer then we should return -ENOMEM
but instead the current code returns success.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Paul Moore <pmoore@redhat.com>
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- add "pstore" and "debugfs" to list of in-core exceptions
- change fstype checks to boolean equation
- change from strncmp to strcmp for checking
Signed-off-by: Mark Salyzyn <salyzyn@android.com>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
[PM: tweaked the subject line prefix to "selinux"]
Signed-off-by: Paul Moore <pmoore@redhat.com>
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While the filesystem labeling method is only printed at the KERN_DEBUG
level, this still appears in dmesg and on modern Linux distributions
that create a lot of tmpfs mounts for session handling, the dmesg can
easily be filled with a lot of "SELinux: initialized (dev X ..."
messages. This patch removes this notification for the normal case
but leaves the error message intact (displayed when mounting a
filesystem with an unknown labeling behavior).
Reported-by: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Paul Moore <pmoore@redhat.com>
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Remove the function avc_sidcmp() that is not used anywhere.
This was partially found by using a static code analysis program called cppcheck.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
[PM: rewrite the patch subject line]
Signed-off-by: Paul Moore <pmoore@redhat.com>
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dev_printk() is now a void function, so the related functions
scmd_printk() and sdev_prefix_printk() should be made void, too.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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and 'core' into next
Conflicts:
drivers/iommu/Kconfig
drivers/iommu/Makefile
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Register 2 is alredy overwritten by the return value when
syscall_trace_leave() is called.
Signed-off-by: Lars Persson <larper@axis.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9187/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If we're using NFSv4.1, then we have the ability to let the server know
whether or not we believe that returning a delegation as part of our OPEN
request would be useful.
The feature needs to be used with care, since the client sending the request
doesn't necessarily know how other clients are using that file, and how
they may be affected by the delegation.
For this reason, our initial use of the feature will be to let the server
know when the client believes that handing out a delegation would not be
useful.
The first application for this function is when opening the file using
O_DIRECT.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Anna has essentially been performing the duties of co-maintainer for
the past several years. In recognition of those efforts, I'd like to
add her to the maintainers file.
Cc: Anna Schumaker <anna.schumaker@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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This patch was produced using Coccinelle. A simplified version of the
semantic patch is:
@r exists@
identifier f;
local idexpression u8 x;
identifier xname;
@@
f(...) {
...when any
(
x@xname = 1;
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x@xname = 0;
)
...when any
}
@bad exists@
identifier r.f;
local idexpression u8 r.x
expression e1 != {0, 1}, e2;
@@
f(...) {
...when any
(
x = e1;
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x + e2
)
...when any
}
@depends on !bad@
identifier r.f;
local idexpression u8 r.x;
identifier r.xname;
@@
f(...) {
...
++ bool xname;
- int xname;
<...
(
x =
- 1
+ true
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x =
- -1
+ false
)
...>
}
Signed-off-by: Quentin Lambert <lambert.quentin@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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The AMD address is dead for a long time already, replace it
with a working one.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Now that I learned about possible spurious wakeups this
place needs fixing too. Replace the self-coded sleep variant
with the generic wait_event() helper.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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put_device_state_wait() doesn't loop on the condition and a spurious
wakeup will have it free the device state even though there might still
be references out to it.
Fix this by using 'normal' wait primitives.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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These are generated by very recent toolchains and result in an error
message when attenpting to convert a kernel from ELF to ECOFF.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The if construct was getting hard to read and would be getting even more
complex with the next bug fix.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Sending data in high speed then introducing a busoff results
in spurious BUS_ERROR events from the USBCan-II firmware directly
_after_ the triggered BUS_OFF event.
In the current CAN state handling code, this will lead to an
invalid can state of ACTIVE, ERROR, or PASSIVE even though the
CAN controller has been already shut down due to the busoff.
Guard the state handling code from such invalid events.
Signed-off-by: Ahmed S. Darwish <ahmed.darwish@valeo.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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return type of wait_for_completion_timeout is unsigned long not int, this patch
removes the type mismatch by moving the call into the condition.
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This change addresses following problem:
[ 2.560726] ------------[ cut here ]------------
[ 2.565341] WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:2744 lockdep_trace_alloc+0xec/0x118()
[ 2.574439] DEBUG_LOCKS_WARN_ON(irqs_disabled_flags(flags))
[ 2.579821] Modules linked in:
[ 2.583038] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 3.18.0-next-20141216-00002-g4ff197fc1902-dirty #1318
[ 2.593796] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 2.599892] [<c0014c44>] (unwind_backtrace) from [<c0011bbc>] (show_stack+0x10/0x14)
[ 2.607612] [<c0011bbc>] (show_stack) from [<c04953b8>] (dump_stack+0x70/0xbc)
[ 2.614822] [<c04953b8>] (dump_stack) from [<c0023444>] (warn_slowpath_common+0x74/0xb0)
[ 2.622885] [<c0023444>] (warn_slowpath_common) from [<c0023514>] (warn_slowpath_fmt+0x30/0x40)
[ 2.631569] [<c0023514>] (warn_slowpath_fmt) from [<c0063644>] (lockdep_trace_alloc+0xec/0x118)
[ 2.640246] [<c0063644>] (lockdep_trace_alloc) from [<c00df52c>] (__kmalloc+0x3c/0x1cc)
[ 2.648240] [<c00df52c>] (__kmalloc) from [<c0394970>] (clk_fetch_parent_index+0xb8/0xd4)
[ 2.656390] [<c0394970>] (clk_fetch_parent_index) from [<c0394a6c>] (clk_calc_new_rates+0xe0/0x1fc)
[ 2.665415] [<c0394a6c>] (clk_calc_new_rates) from [<c0394b40>] (clk_calc_new_rates+0x1b4/0x1fc)
[ 2.674181] [<c0394b40>] (clk_calc_new_rates) from [<c0395408>] (clk_set_rate+0x50/0xc8)
[ 2.682265] [<c0395408>] (clk_set_rate) from [<c0377708>] (sdhci_cmu_set_clock+0x68/0x16c)
[ 2.690503] [<c0377708>] (sdhci_cmu_set_clock) from [<c03735cc>] (sdhci_do_set_ios+0xf0/0x64c)
[ 2.699095] [<c03735cc>] (sdhci_do_set_ios) from [<c0373b48>] (sdhci_set_ios+0x20/0x2c)
[ 2.707080] [<c0373b48>] (sdhci_set_ios) from [<c035ddf0>] (mmc_power_up+0x118/0x1fc)
[ 2.714889] [<c035ddf0>] (mmc_power_up) from [<c035ecd0>] (mmc_start_host+0x44/0x6c)
[ 2.722615] [<c035ecd0>] (mmc_start_host) from [<c035fd60>] (mmc_add_host+0x58/0x7c)
[ 2.730341] [<c035fd60>] (mmc_add_host) from [<c037454c>] (sdhci_add_host+0x968/0xd94)
[ 2.738240] [<c037454c>] (sdhci_add_host) from [<c0377b60>] (sdhci_s3c_probe+0x354/0x52c)
[ 2.746406] [<c0377b60>] (sdhci_s3c_probe) from [<c0283b58>] (platform_drv_probe+0x48/0xa4)
[ 2.754733] [<c0283b58>] (platform_drv_probe) from [<c02824e8>] (driver_probe_device+0x13c/0x37c)
[ 2.763585] [<c02824e8>] (driver_probe_device) from [<c02827bc>] (__driver_attach+0x94/0x98)
[ 2.772003] [<c02827bc>] (__driver_attach) from [<c0280a60>] (bus_for_each_dev+0x54/0x88)
[ 2.780163] [<c0280a60>] (bus_for_each_dev) from [<c0281b48>] (bus_add_driver+0xe4/0x200)
[ 2.788322] [<c0281b48>] (bus_add_driver) from [<c0282dfc>] (driver_register+0x78/0xf4)
[ 2.796308] [<c0282dfc>] (driver_register) from [<c00089b0>] (do_one_initcall+0xac/0x1f0)
[ 2.804473] [<c00089b0>] (do_one_initcall) from [<c0673d94>] (kernel_init_freeable+0x10c/0x1d8)
[ 2.813153] [<c0673d94>] (kernel_init_freeable) from [<c0490058>] (kernel_init+0x28/0x108)
[ 2.821398] [<c0490058>] (kernel_init) from [<c000f268>] (ret_from_fork+0x14/0x2c)
[ 2.828939] ---[ end trace 03cc00e539849d1f ]---
clk_set_rate() tries to take clk's prepare_lock mutex while being in atomic
context entered in sdhci_do_set_ios().
The solution is inspired by similar situation in sdhci_set_power() also called
from sdhci_do_set_ios():
spin_unlock_irq(&host->lock);
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd);
spin_lock_irq(&host->lock);
Note that since sdhci_s3c_set_clock() sets SDHCI_CLOCK_CARD_EN, proposed change
first resets this bit. It is reset anyway (by setting SDHCI_CLOCK_INT_EN bit
only) after call to clk_set_rate() in order to wait for the clock to stabilize
and is set again as soon as the clock becomes stable.
Signed-off-by: Paul Osmialowski <p.osmialowsk@samsung.com>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Reported by Coverity: CID 1267985 CID 1267986
Fix these two Defects: Uninitialized scalar variable.
Signed-off-by: Jie Yang <yang.jie@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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return type of wait_for_completion_timeout is unsigned long not int, this
patch adds an appropriate variable and fixes up the assignment. It removes
the else branch as the only thing it was doing is assigning ret = 0; - but
ret is never used thereafter so that is not needed. As the string in
dev_err already states "timeout" there is little point in printing the 0.
A typo in "trasfer" -> transfer is also fixed.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add missing stubs for regulator_suspend_prepare() and
regulator_suspend_finish() to fix exynos_defconfig build without
REGULATOR:
arch/arm/mach-exynos/built-in.o: In function `exynos_suspend_finish':
arch/arm/mach-exynos/suspend.c:537: undefined reference to `regulator_suspend_finish'
arch/arm/mach-exynos/built-in.o: In function `exynos_suspend_prepare':
arch/arm/mach-exynos/suspend.c:520: undefined reference to `regulator_suspend_prepare'
make: *** [vmlinux] Error 1
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Joerg Roedel <joro@8bytes.org>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Merge fbdev topic branches
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the check of the return code is missing, user space does not get notified
about the error condition:
omapdss OVERLAY error: overlay 2 horizontally not inside the display area (403 + 800 >= 800)
omapdss APPLY error: failed to apply settings: illegal configuration.
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support for DRA7xx DPI output.
DRA7xx has three DPI outputs, each of which gets its input from a DISPC
channel. However, DRA72x has only one video PLL, and DRA74x has two
video PLLs. In both cases the video PLLs need to be shared between
multiple outputs. The driver doesn't handle this at the moment.
Also, DRA7xx requires configuring CONTROL module bits to route the clock
from the PLL to the used DISPC channel.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add support for DRA7xx to the HDMI driver.
The HDMI block on DRA7xx is the same as on OMAP5, except we need to
enable and disable the HDMI PLL via the CONTROL module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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On DRA7xx, DISPC needs to write output signal polarities not only to a
DISPC register, like for all earlier DSS versions, but to control
module's CTRL_CORE_SMA_SW_1 register.
This patch adds support to write the polarities to control module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add DRA7xx support to DISPC driver. The DISPC block is the same as on
OMAP5, except the PLL's used for clocking are "videoX", not "dsiX".
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DRA7xx SoCs have one (DRA72x) or two (DRA74x) video PLLs. They are
basically the same as DSI PLLs on OMAPs, but without the rest of the DSI
hardware. The video PLLs also require some configuration via the CONTROL
module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add functions which configure the control module register
CTRL_CORE_DSS_PLL_CONTROL found in DRA7xx SoCs. This register configures
whether the PLL registers are accessed internally by DSS, or externally
using OCP2SCP interface. They also configure muxes which route the PLL
output to a particular LCD overlay manager within DSS.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add base support for DRA7xx to DSS core.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add device tree binding documentation for DRA7xx display subsystem.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: devicetree@vger.kernel.org
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Add define for DRA7xx DSS version.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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A race issue has been observed with the encoder-tpd12s015 driver, which
leads to errors when trying to read EDID. This has only now been
observed, as OMAP4 and OMAP5 boards used SoC's GPIOs for LS_OE GPIO. On
dra7-evm boards, the LS_OE is behind a i2c controlled GPIO expander,
which increases the time to set the LS_OE.
This patch simplifies the handling of the LS_OE gpio in the driver by
removing the interrupt handling totally. The only time we actually need
to enable LS_OE is when we are reading the EDID, and thus we can just
set and clear the LS_OE gpio inside the read_edid() function.
This also has the additional benefit of very slightly decreasing the
power consumption.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The OMAP5 HW supports directing DIGIT channel to DPI output, but the
driver doesn't support that. However, we have marked that configuration
as possible in the dss features, so in certain cases the driver tries to
use that configuration, leading to broken display.
Fix the problem by allowing DIGIT channel to go only to HDMI output.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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