Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: void function return statements are not generally useful
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: else is not generally useful after a break or return
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Fixed the following checkpatch warning.
WARNING: Missing a blank line after declarations
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
genericbl_limit_intensity() is exported, but it is never
called anywhere else.
Fix the following sparse warning:
drivers/video/backlight/generic_bl.c:59:6:
warning: symbol 'genericbl_limit_intensity' was not declared.
Should it be static?
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch removes the superflous .owner field for drivers which
use the module_platform_driver or platform_driver_register api,
as this is overriden in __platform_driver_register.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Delete successive assignments to the same location.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Delete successive assignments to the same location. The second assignment
is changed to update a different field, as done in other nearby code.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Delete successive assignments to the same location.
In the second case, = is converted to |=, which looks appropriate based on
the values involved.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Delete successive assignments to the same location.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression i;
@@
*i = ...;
i = ...;
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Move to managed verion of kzalloc. Also checks return for failure case
which was missing.
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Stephen Boyd <sboyd@codeaurora.org>
CC: Jingoo Han <jg1.han@samsung.com>
CC: Rob Clark <robdclark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This adds a remove function to platform driver structure so that
resources are released when driver is unloaded.
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
CC: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
CC: Stephen Boyd <sboyd@codeaurora.org>
CC: Jingoo Han <jg1.han@samsung.com>
CC: Rob Clark <robdclark@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit 16052827d9 ("dmaengine/dma_slave:
introduce inline wrappers") changed the code to use the new API, but forgot
to update a comment.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jiri Kosina <trivial@kernel.org>
Cc: linux-fbdev@vger.kernel.org
--
v2:
- New
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use c99 initializers for structures.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@decl@
identifier i1,fld;
type T;
field list[n] fs;
@@
struct i1 {
fs
T fld;
...};
@bad@
identifier decl.i1,i2;
expression e;
initializer list[decl.n] is;
@@
struct i1 i2 = { is,
+ .fld = e
- e
,...};
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use c99 initializers for structures.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@decl@
identifier i1,fld;
type T;
field list[n] fs;
@@
struct i1 {
fs
T fld;
...};
@bad@
identifier decl.i1,i2;
expression e;
initializer list[decl.n] is;
@@
struct i1 i2 = { is,
+ .fld = e
- e
,...};
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use c99 initializers for structures.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@decl@
identifier i1,fld;
type T;
field list[n] fs;
@@
struct i1 {
fs
T fld;
...};
@bad@
identifier decl.i1,i2;
expression e;
initializer list[decl.n] is;
@@
struct i1 i2 = { is,
+ .fld = e
- e
,...};
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Of_node_put supports NULL as its argument, so the initial test is not
necessary. Furthermore, native_mode cannot be NULL at this point.
Suggested by Uwe Kleine-König.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
@@
-if (e)
of_node_put(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
When looking at this driver for a client, I noticed the code that
configures the HSYNC pulse clobbers the display width in the same
register. It only preserves the MS part of the width in bit 3 and zeros
the LS part of the width in bits 9 to 4. This doesn't matter during
initialization as the width is configured afterwards, but subsequent use
of the FBIPUT_HSYNC ioctl would clobber the width.
Preserve bits 9 to 0 of LCD_RASTER_TIMING_0_REG when configuring the
horizontal sync.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The display_timings_release() function frees "disp" and we free it
again on the next line.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Convert a zero return value on error to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
If the device-tree specifies a max-memory-bandwidth property then the
CLCD driver uses that to calculate the bits-per-pixel supported,
however, this calculation is faulty for two reasons.
1. It doesn't ensure that the result is a sane value, i.e. a power of 2
and <= 32 as the rest of the code assumes.
2. It uses the displayed resolution and calculates the average bandwidth
across the whole frame. It should instead calculate the peak
bandwidth based on the pixel clock.
This patch fixes both the above.
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Acked-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fix build failure caused as follows:
The function chipsfb_pci_init() references
the function __init chips_hw_init().
This is often because chipsfb_pci_init lacks a __init
annotation or the annotation of chips_hw_init is wrong.
make: *** [drivers] Error 2
by removing the __init annotation from chips_hw_init(). The other thing that
could have been done was annotating chipsfb_pci_init(). But that cannot be done
since chipsfb_pci_init() is called from non __init functions.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
So small drm stuff all over for 3.18. Biggest one is the cmdline parsing
from Chris with a few fixes from me to make it work for stupid kernel
configs.
Plus the atomic prep series.
Tested for more than a week in -nightly and Ville/Imre indeed discovered
some fun which is now fixed (and i915 vblank patches postponed since the
fixups need this branch plus drm-intel-next merged together).
* tag 'topic/core-stuff-2014-08-15' of git://anongit.freedesktop.org/drm-intel:
drm: Use the type of the array element when reallocating
drm: Don't return 0 for a value used as a denominator
drm: Docbook fixes
drm/irq: Implement a generic vblank_wait function
drm: Add a plane->reset hook
drm: trylock modest locking for fbdev panics
drm: Move ->old_fb from crtc to plane
drm: Handle legacy per-crtc locking with full acquire ctx
drm: Move modeset_lock_all helpers to drm_modeset_lock.[hc]
drm: Add drm_plane/connector_index
drm: idiot-proof vblank
drm: Warn when leaking flip events on close
drm: Perform cmdline mode parsing during connector initialisation
video/fbdev: Always built-in video= cmdline parsing
drm: Don't grab an fb reference for the idr
commit 257462dbf3 ("pwm-backlight: switch to gpiod interface")
introduced a regression leading to acquiring a bogus GPIO-0 when
configured from DT without an 'enable-gpios' property.
The driver will happily accept the 0 initialized 'enable_gpio' member
of the struct platform_pwm_backlight_data as valid gpio number, and
request this GPIO as enable pin. In case of multiple driver instances,
the second will fail to register with the error message:
pwm-backlight backlight1.23: failed to request GPIO#0: -16
Fix this by setting enable_gpio in the pdata struct to -EINVAL.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines. This issue was reported by checkpatch.
A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@
- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;
// </smpl>
[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* Much better HDMI infoframe support for OMAP
* Cirrus Logic CLPS711X framebuffer driver
* DT support for PL11x CLCD driver
* Various small fixes
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Merge tag 'fbdev-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
- much better HDMI infoframe support for OMAP
- Cirrus Logic CLPS711X framebuffer driver
- DT support for PL11x CLCD driver
- various small fixes
* tag 'fbdev-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (35 commits)
OMAPDSS: DSI: fix depopulating dsi peripherals
video: hyperv: hyperv_fb: refresh the VM screen by force on VM panic
video: ARM CLCD: Fix DT-related build problems
drivers: video: fbdev: atmel_lcdfb.c: Add ability to inverted backlight PWM.
video: ARM CLCD: Add DT support
drm/omap: Add infoframe & dvi/hdmi mode support
OMAPDSS: HDMI: remove the unused code
OMAPDSS: HDMI5: add support to set infoframe & HDMI mode
OMAPDSS: HDMI4: add support to set infoframe & HDMI mode
OMAPDSS: HDMI: add infoframe and hdmi_dvi_mode fields
OMAPDSS: add hdmi ops to hdmi-connector and tpd12s015
OMAPDSS: add hdmi ops to hdmi_ops and omap_dss_driver
OMAPDSS: HDMI: remove custom avi infoframe
OMAPDSS: HDMI5: use common AVI infoframe support
OMAPDSS: HDMI4: use common AVI infoframe support
OMAPDSS: Kconfig: select HDMI
OMAPDSS: HDMI: fix name conflict
OMAPDSS: DISPC: clean up dispc_mgr_timings_ok
OMAPDSS: DISPC: reject interlace for lcd out
OMAPDSS: DISPC: fix debugfs reg dump
...
A handful of driver-related changes. We've had a bunch of them going in through
other branches as well, so it's only a part of what we really have this release.
Larger pieces are:
* Removal of a now unused PWM driver for atmel
- This includes AVR32 changes that have been appropriately acked.
* Performance counter support for the arm CCN interconnect
* OMAP mailbox driver cleanups and consolidation
* PCI and SATA PHY drivers for SPEAr 13xx platforms
* Redefinition (with backwards compatibility!) of PCI DT bindings for Tegra to
better model regulators/power.
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Merge tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver changes from Olof Johansson:
"A handful of driver-related changes. We've had a bunch of them going
in through other branches as well, so it's only a part of what we
really have this release.
Larger pieces are:
- Removal of a now unused PWM driver for atmel
[ This includes AVR32 changes that have been appropriately acked ]
- Performance counter support for the arm CCN interconnect
- OMAP mailbox driver cleanups and consolidation
- PCI and SATA PHY drivers for SPEAr 13xx platforms
- Redefinition (with backwards compatibility!) of PCI DT bindings for
Tegra to better model regulators/power"
Note: this merge also fixes up the semantic conflict with the new
calling convention for devm_phy_create(), see commit f0ed817638 ("phy:
core: Let node ptr of PHY point to PHY and not of PHY provider") that
came in through Greg's USB tree.
Semantic merge patch by Stephen Rothwell <sfr@canb.auug.org.au> through
the next tree.
* tag 'drivers-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
bus: arm-ccn: Fix error handling at event allocation
mailbox/omap: add a parent structure for every IP instance
mailbox/omap: remove the private mailbox structure
mailbox/omap: consolidate OMAP mailbox driver
mailbox/omap: simplify the fifo assignment by using macros
mailbox/omap: remove omap_mbox_type_t from mailbox ops
mailbox/omap: remove OMAP1 mailbox driver
mailbox/omap: use devm_* interfaces
bus: ARM CCN: add PERF_EVENTS dependency
bus: ARM CCN PMU driver
PCI: spear: Remove spear13xx_pcie_remove()
PCI: spear: Fix Section mismatch compilation warning for probe()
ARM: tegra: Remove legacy PCIe power supply properties
PCI: tegra: Remove deprecated power supply properties
PCI: tegra: Implement accurate power supply scheme
ARM: SPEAr13xx: Update defconfigs
ARM: SPEAr13xx: Add pcie and miphy DT nodes
ARM: SPEAr13xx: Add bindings and dt node for misc block
ARM: SPEAr13xx: Fix static mapping table
phy: Add drivers for PCIe and SATA phy on SPEAr13xx
...
This merge window brings a good size of cleanups on various
platforms. Among the bigger ones:
* Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
lacked active support for quite a while, and after asking around nobody
showed interest in keeping them around. If needed, they could be
resurrected in the future but it's more likely that we would prefer
reintroduction of them as DT and multiplatform-enabled platforms
instead.
* OMAP4 controller code register define diet. They defined a lot of registers
that were never actually used, etc.
* Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
to drivers/soc so it can be shared with 64-bit code. This also converts them
over to traditional driver models where possible.
* Removal of legacy gpio-samsung driver, since the last users have been
removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some misc
cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This merge window brings a good size of cleanups on various platforms.
Among the bigger ones:
- Removal of Samsung s5pc100 and s5p64xx platforms. Both of these
have lacked active support for quite a while, and after asking
around nobody showed interest in keeping them around. If needed,
they could be resurrected in the future but it's more likely that
we would prefer reintroduction of them as DT and
multiplatform-enabled platforms instead.
- OMAP4 controller code register define diet. They defined a lot of
registers that were never actually used, etc.
- Move of some of the Tegra platform code (PMC, APBIO, fuse,
powergate) to drivers/soc so it can be shared with 64-bit code.
This also converts them over to traditional driver models where
possible.
- Removal of legacy gpio-samsung driver, since the last users have
been removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some
misc cleanups, etc"
* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
drivers: CCI: Correct use of ! and &
video: clcd-versatile: Depend on ARM
video: fix up versatile CLCD helper move
MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
MAINTAINERS: Remove Kirkwood
ARM: tegra: Convert PMC to a driver
soc/tegra: fuse: Set up in early initcall
ARM: tegra: Always lock the CPU reset vector
ARM: tegra: Setup CPU hotplug in a pure initcall
soc/tegra: Implement runtime check for Tegra SoCs
soc/tegra: fuse: fix dummy functions
soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
soc/tegra: Add efuse and apbmisc bindings
soc/tegra: Add efuse driver for Tegra
ARM: tegra: move fuse exports to soc/tegra/fuse.h
ARM: tegra: export apb dma readl/writel
ARM: tegra: Use a function to get the chip ID
ARM: tegra: Sort includes alphabetically
ARM: tegra: Move includes to include/soc/tegra
...
After v3.16-rc1, devices populated with of_platform_populate() should be
depopulated using of_platform_depopulate(). Failure to do so prevents
the devices from being populated again (e.g. when loading a module).
This patch fixes the problem for the OMAP DSI driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Pull MIPS updates from Ralf Baechle:
"This is the main pull request for 3.17. It contains:
- misc Cavium Octeon, BCM47xx, BCM63xx and Alchemy updates
- MIPS ptrace updates and cleanups
- various fixes that will also go to -stable
- a number of cleanups and small non-critical fixes.
- NUMA support for the Loongson 3.
- more support for MSA
- support for MAAR
- various FP enhancements and fixes"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (139 commits)
MIPS: jz4740: remove unnecessary null test before debugfs_remove
MIPS: Octeon: remove unnecessary null test before debugfs_remove_recursive
MIPS: ZBOOT: implement stack protector in compressed boot phase
MIPS: mipsreg: remove duplicate MIPS_CONF4_FTLBSETS_SHIFT
MIPS: Bonito64: remove a duplicate define
MIPS: Malta: initialise MAARs
MIPS: Initialise MAARs
MIPS: detect presence of MAARs
MIPS: define MAAR register accessors & bits
MIPS: mark MSA experimental
MIPS: Don't build MSA support unless it can be used
MIPS: consistently clear MSA flags when starting & copying threads
MIPS: 16 byte align MSA vector context
MIPS: disable preemption whilst initialising MSA
MIPS: ensure MSA gets disabled during boot
MIPS: fix read_msa_* & write_msa_* functions on non-MSA toolchains
MIPS: fix MSA context for tasks which don't use FP first
MIPS: init upper 64b of vector registers when MSA is first used
MIPS: save/disable MSA in lose_fpu
MIPS: preserve scalar FP CSR when switching vector context
...
In drm/i915 we want to get at the video= cmdline modes even when we
don't have fbdev support enabled, so that users can always override
the kernel's initial mode selection.
But that gives us a direct depency upon the parsing code in the fbdev
subsystem. Since it's so little code just extract these 2 functions
and always build them in.
Whiel at it fix the checkpatch fail in this code.
v2: Also move fb_mode_option. Spotted by the kbuild.
v3: Review from Geert:
- Keep the old copyright notice from fb_mem.c, although I have no
idea what exactly applies.
- Only compile this when needed.
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-fbdev@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
--
I prefer if we can merge this through drm-next since we'll use it
there in follow-up patches.
-Daniel
We don't want random users to be able to spam the logs, and commit
37549e94c7 (sysfs: disallow
world-writable files.) finally makes this a build error.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Currently the VSC has no chance to notify the VSP of the dirty rectangle on VM
panic because the notification work is done in a workqueue, and in panic() the
kernel typically ends up in an infinite loop, and a typical kernel config has
CONFIG_PREEMPT_VOLUNTARY=y and CONFIG_PREEMPT is not set, so a context switch
can't happen in panic() and the workqueue won't have a chance to run. As a
result, the VM Connection window can't refresh until it's closed and we
re-connect to the VM.
We can register a handler on panic_notifier_list: the handler can notify
the VSC and switch the framebuffer driver to a "synchronous mode", meaning
the VSC flushes any future framebuffer change to the VSP immediately.
v2: removed the MS-TFS line in the commit message
v3: remove some 'unlikely' markings
v4: avoid global variables as Tomi Valkeinen suggested
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch fixes the following error when !CONFIG_OF:
drivers/video/fbdev/amba-clcd.c:800:54: warning: ‘struct amba_dev’ declared inside parameter list [enabled by default]
static struct clcd_board *clcdfb_of_get_board(struct amba_dev *dev)
^
and adds a missing Kconfig select causing this
when CONFIG_OF && !CONFIG_FB_MODE_HELPERS:
drivers/video/fbdev/amba-clcd.c:567: undefined reference to `fb_videomode_from_videomode'
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Fixes the following sparse warnings:
drivers/video/backlight/ipaq_micro_bl.c:73:24: warning:
symbol 'micro_backlight_device_driver' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Bryan Wu <cooloney@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Use the clock framework to en/disable the clock to the au1100
framebuffer device.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7474/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This patch changes all absolute SYS_XY registers to offsets from the
SYS block base, prefixes them with AU1000 to avoid silent failures due
to changed addresses, and introduces helper functions to read/write
them.
No functional changes, comparing assembly of a few select functions shows
no differences.
Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7464/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
The code has a variable to change the polarity of the PWM backlight control but
it was not being initialized. This patch adds a devicetree entry to set the
variable if required.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch adds basic DT bindings for the PL11x CLCD cells
and make their fbdev driver use them.
Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The Versatile CLCD helpers call dma_alloc_writecombine() which is only
available on ARM and AVR32, meaning they won't build on other platforms
including arm64. Unfortunately the current Kconfig enables the symbol
by default if ARCH_VEXPRESS is defined which means that it is enabled on
arm64 when building for the ARM reference platforms and models for ARMv8
since they have many hardware similarities with their pre-ARMv8 systems.
Since all the systems that need the helpers are ARM systems fix this by
adding a dependency on ARM.
Signed-off-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds a driver for the backlight controlled by the microcontroller
on the Compaq iPAQ series of handheld computers: h3100, h3600
and h3700.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
commit 11c32d7b62 ("video: move Versatile CLCD helpers")
moved files out of the plat-versatile directory but in the process
got a few of the dependencies wrong:
- If CONFIG_FB is not set, the file no longer gets built, resulting
in a link error
- If CONFIG_FB or CONFIG_FB_ARMCLCD are disabled, we also get a
Kconfig warning for incorrect dependencies due to the symbol
being 'select'ed from the platform Kconfig.
- When the file is not built, we also get a link error for missing
symbols.
This patch should fix all three, by removing the 'select' statements,
changing the Kconfig description of the symbol to be enabled in
exactly the right configurations, and adding inline stub functions
for the case when the framebuffer driver is disabled.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Make use of the new devm_gpiod_get_optional() to simplify the probe
code.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Rickard Strandqvi's ran a code analysis application which found that
jornada_lcd_get_contrast(() and jornada_lcd_set_contrast() contained
some code duplication (calling the same functions during various
code execution paths) and failed to return errors in a consistent
manner. This patch aims to simplify the code, coercing it into
behaving at a level expected of a driver in the Linux kernel.
Suggested-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
some constification from static code analysis.
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Merge tag 'ux500-core-for-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/cleanup
Merge "Ux500 core changes for v3.17 take 1" from Linus Walleij:
Some minor cleanups to the Ux500 core. DT-only probe path and
some constification from static code analysis.
* tag 'ux500-core-for-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: remove pointless cache setup complexity
ARM: ux500: storage class should be before const qualifier
ARM: ux500: Staticize ab8505_regulators
ARM: ux500: Staticize local symbols in cpu-db8500.c
ARM: ux500: Staticise ux500_soc_attr
+ Linux 3.16-rc4
Signed-off-by: Olof Johansson <olof@lixom.net>
- removing s5p64x0 SoCs and s5pc100 SoC in mainline because
no more user and if it is required next time, it will be
supported with DT.
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Merge tag 's5p-cleanup-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
Merge "Samsung cleanup 2nd version for S5P SoCs for 3.17" from Kukjin Kim:
Cleanup S5P SoCs for 3.17
- removing s5p64x0 SoCs and s5pc100 SoC in mainline because
no more user and if it is required next time, it will be
supported with DT.
* tag 's5p-cleanup-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
video: fbdev: s3c-fb: remove s5pc100 related fimd and fb codes
mtd: onenand: remove s5pc100 related onenand codes
spi: s3c64xx: remove s5pc100 related spi codes
gpio: samsung: remov s5pc100 related gpio codes
ARM: S5PC100: no more support S5PC100 SoC
video: fbdev: s3c-fb: remove s5p64x0 related fimd codes
spi: s3c64xx: remove s5p64x0 related spi codes
gpio: samsung: remove s5p64x0 related gpio codes
ARM: S5P64X0: no more support S5P6440 and S5P6450 SoCs
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch removes fimd and fb codes for s5pc100 SoC.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes fimd codes for s5p6440 and s5p6450 SoCs.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Commit b4aa016305 ("efifb: Implement vga_default_device() (v2)") added
efifb vga_default_device() so EFI systems that do not load shadow VBIOS or
setup VGA get proper value for boot_vga PCI sysfs attribute on the
corresponding PCI device.
Xorg doesn't detect devices when boot_vga=0, e.g., on some EFI systems such
as MacBookAir2,1. Xorg detects the GPU and finds the DRI device but then
bails out with "no devices detected".
Note: When vga_default_device() is set boot_vga PCI sysfs attribute
reflects its state. When unset this attribute is 1 whenever
IORESOURCE_ROM_SHADOW flag is set.
With introduction of sysfb/simplefb/simpledrm efifb is getting obsolete
while having native drivers for the GPU also makes selecting sysfb/efifb
optional.
Remove the efifb implementation of vga_default_device() and initialize
vgaarb's vga_default_device() with the PCI GPU that matches boot
screen_info in pci_fixup_video().
[bhelgaas: remove unused "dev" in efifb_setup()]
Fixes: b4aa016305 ("efifb: Implement vga_default_device() (v2)")
Tested-by: Anibal Francisco Martinez Cortina <linuxkid.zeuz@gmail.com>
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Matthew Garrett <matthew.garrett@nebula.com>
CC: stable@vger.kernel.org # v3.5+
The atmel-pwm-bl driver is now obsolete. It is not used by any mainlined boards
and is replaced by the generic pwm_bl with the pawm-atmel driver using the
generic PWM framework.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
We no longer need the horrible driver internal videmode tables, which
were used to decide if a given videomode is a HDMI or DVI mode. So
remove all related code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of using hardcoded AVI infoframe, and a custom HDMI/DVI mode
selection based in internal videomode tables, add support to set the
infoframe and HDMI/DVI mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of using hardcoded AVI infoframe, and a custom HDMI/DVI mode
selection based in internal videomode tables, add support to set the
infoframe and HDMI/DVI mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add infoframe and hdmi_dvi_mode fields to 'struct hdmi_config' which
will be used in the following patches for OMAP4 and OMAP5 HDMI.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Add pass-through functions for set_infoframe and set_hdmi_mode to
hdmi-connector and tpd12s015 drivers.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We now use the common AVI infoframe support, so the OMAP specific AVI
infoframe code can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of using OMAP specific AVI infoframe structs, use the common one
from include/linux/hdmi.h.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Instead of using OMAP specific AVI infoframe structs, use the common one
from include/linux/hdmi.h.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
OMAP HDMI driver has an 'enum hdmi_audio_sample_size', which conflicts
with the common include/linux/hdmi.h.
Change the name of the OMAP specific enum with '_omap" postfix.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
dispc_mgr_timings_ok() is a bit confusing how it handles the return
value.
Change the function to just return immediately when a timing is deemed
not valid, making the code much easier to follow.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
OMAP2/3 does not support interlace for LCD out. OMAP4+ does, but is not
supported by the driver at the moment.
The driver still accepts interlaced mode for LCD out, causing broken
display output.
This patch makes dispc reject interlace for LCD out.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch fixes building CLPS711X FB driver if the framebuffer
core is used as a module.
LD init/built-in.o
drivers/built-in.o: In function `clps711x_fb_remove':
:(.text+0x44a8): undefined reference to `unregister_framebuffer'
drivers/built-in.o: In function `clps711x_fb_probe':
:(.text+0x44cc): undefined reference to `fb_get_options'
:(.text+0x45d8): undefined reference to `fb_alloc_cmap'
:(.text+0x45e4): undefined reference to `register_framebuffer'
make: *** [vmlinux] Error 1
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
The surrounding code and the fact that the previous two if's are
rendered useless without this "else" (since SIS_340==55 and XGI_20==75
are greater than SIS_661==15) suggests that the "else" is indeed
missing.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Use the zeroing function instead of dma_alloc_coherent & memset(,0,)
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Checkpatch.pl worries that we have left off the conditional bit because
it isn't indented correctly.
WARNING: suspect code indent for conditional statements (24, 24)
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Commit f8bd493456 by Jingoo Han
introduced this problem. This makes bfin_adv7393fb.c failed to compile.
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This moves the Versatile-specific helper code and panel database
down into the drivers/video folder next to the CLCD driver
itself, preserving the config symbol but also moving the header
to platform data.
This is necessary to rid the Integrator of this final <plat/*>
inclusion dependency and get us one less user of the
plat-versatile folder.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: linux-fbdev@vger.kernel.org
Cc: Russell King <linux@arm.linux.org.uk>
Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
kmalloc can return null. Add a check to avoid potential null
pointer dereference error when the pointer is accessed later.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We use devm_kzalloc() to allocate memory for the struct vt8500lcd_info
pointer fbi, so there is no need to free it in vt8500lcd_remove().
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
After a variable is assigned the result of backlight_device_register, an
error test should be performed before a dereference.
A simplified version of the semantic match that finds this problem is
as follows:
// <smpl>
@def0@
expression x;
position p0;
@@
x@p0 = backlight_device_register(...)
@protected@
expression def0.x,E;
position def0.p0;
position p;
statement S;
@@
x@p0
... when != x = E
if (!IS_ERR(x) && ...) {<... x@p ...>} else S
@unprotected@
expression def0.x,E;
identifier fld;
position def0.p0;
position p != protected.p;
@@
x@p0
... when != x = E
* x@p->fld
// </smpl>
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
unsigned value is never < 0
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Since v2.6.7 the 68328 frame buffer driver contains a check for
CONFIG_FB_68328_INVERT. But the Kconfig symbol FB_68328_INVERT was never
added to the tree. Remove this check and do some related cleaning up.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
We use devm_kzalloc() to allocate memory for the struct vt8500lcd_info
pointer fbi, so there is no need to free it in vt8500lcd_remove().
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This patch moves data allocated using kzalloc to managed data allocated
using devm_kzalloc and cleans now unnecessary kfrees in probe and remove
functions. Also, linux/device.h is added to make sure the devm_*()
routine declarations are unambiguously available. The function
mddi_dummy_remove is removed as it is no longer required after
removing the kfree. The variable ret is also done away with.
The following Coccinelle semantic patch was used for making a part of
the change:
@platform@
identifier p, probefn, removefn;
@@
struct platform_driver p = {
.probe = probefn,
.remove = removefn,
};
@prb@
identifier platform.probefn, pdev;
expression e, e1, e2;
@@
probefn(struct platform_device *pdev, ...) {
<+...
- e = kzalloc(e1, e2)
+ e = devm_kzalloc(&pdev->dev, e1, e2)
...
?-kfree(e);
...+>
}
@rem depends on prb@
identifier platform.removefn;
expression e;
@@
removefn(...) {
<...
- kfree(e);
...>
}
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This adds support for the framebuffer available in the Cirrus
Logic CLPS711X CPUs.
FB features:
- 1-2-4 bits per pixel.
- Programmable panel size to a maximum of 1024x256 at 4 bps.
- Relocatible Frame Buffer (SRAM or SDRAM).
- Programmable refresh rates.
- 16 gray scale values.
This new driver is designed to usage with devicetree only.
The driver have been tested with custom board equipped
Cirrus Logic EP7312.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Many implementations of get_brightness operation returns only value
of props.brightness field. This change makes such implementations
unnecessary.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Since backlight core returns props.brightness in case get_brightness
is not implemented trivial implementations are not needed anymore.
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
A list that was intended for storing power control GPIOs was never
initialized correctly or filled. Without these lines of added code
the kernel hangs when trying to access an uninitialized list when a
power control GPIO is registered with the device tree.
Signed-off-by: Michael Welling <mwelling@ieee.org>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
