* emailed from Andrew Morton <akpm@linux-foundation.org>: (21 patches)
mm/memblock: fix overlapping allocation when doubling reserved array
c/r: prctl: Move PR_GET_TID_ADDRESS to a proper place
pidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper
pidns: guarantee that the pidns init will be the last pidns process reaped
fault-inject: avoid call to random32() if fault injection is disabled
Viresh has moved
get_maintainer: Fix --help warning
mm/memory.c: fix kernel-doc warnings
mm: fix kernel-doc warnings
mm: correctly synchronize rss-counters at exit/exec
mm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range
h8300: use the declarations provided by <asm/sections.h>
h8300: fix use of extinct _sbss and _ebss
xtensa: use the declarations provided by <asm/sections.h>
xtensa: use "test -e" instead of bashism "test -a"
xtensa: replace xtensa-specific _f{data,text} by _s{data,text}
memcg: fix use_hierarchy css_is_ancestor oops regression
mm, oom: fix and cleanup oom score calculations
nilfs2: ensure proper cache clearing for gc-inodes
thp: avoid atomic64_read in pmd_read_atomic for 32bit PAE
...
viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company. Replace ST's id with viresh.linux@gmail.com.
It also updates .mailmap file to fix address for 'git shortlog'
Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This documentation comment existed in an earlier patch set for
GPIO consolidation, so I'm saving it for maintainability of the
code.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
commit 0bf7481 (pinctrl: pinctrl-mxs: Take care of frees if the kzalloc fails)
introduced the following build error:
drivers/pinctrl/pinctrl-mxs.c:140:3: error: implicit declaration of function 'free'
Use kfree function instead.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
clear the platform data pointer when mxs_pinctrl_probe_dt fails,
and also before the unregistering with pinctrl subsystem.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
if there is no purecfg , the group pointer is allocated using kzalloc and if it
fails to allocate, we wont free the new_map,
if config is true, we call kmemdup and if it
fails to do so we wont free the allocated group if there is no purecfg.
fix this by doing the frees of new_map pointer and group pointers.
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
After create config map, the new_map pointer becomes point to
PIN_MAP_TYPE_CONFIGS_PIN map rather than PIN_MAP_TYPE_MUX_GROUP map any more.
Thus using new_map pointer to display the MUX_GROUP info is not correct.
Using map pointer instead to show the correct MUX_GROUP map info.
Original the debug message is:
imx6q-pinctrl 20e0000.iomuxc: maps: function Yp group MX6Q_PAD_SD3_CMD num 12
After fix it is:
imx6q-pinctrl 20e0000.iomuxc: maps: function usdhc3 group usdhc3grp-1 num 11
Reported-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
of_get_parent can return null if no parent node found, so the allocated new_map
should be freed.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
a) as we allocate the pinctrl_map structure at imx_dt_node_to_map at line 167, anyway
if its an element, or a num_elements * (sizeof(type)) elements allocated to one single
pointer must be freed only once.
CASE. A)
as new_map is not moved and allocated like,
for (i = 0; i < MAX_ELEMS; i++) {
new_map[i] = kmalloc(numelems * size, GFP_KERNEL);
}
its freed as
for (i = 0; i < MAX_ELEMS; i++) {
kfree(new_map[i]);
}
CASE. B)
and its allocated like
new_map = kmalloc(numelems * size, GFP_KERNEL);
it just needs kfree not as case A's.
b) use KERN_DEBUG facility for the IMX_PMX_DUMP macro.
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Commit a60b57edda
"drivers/gpio: gpio-nomadik: Add support for irqdomains"
changed GPIO offset calculations to have this form:
(gpio % NMK_GPIO_PER_CHIP) except in this one place for
setting sleep mode, where the conversion was all wrong, and
instead mod:ing the GPIO with the IRQ base which does not
make any sense.
So fix this up so we can use sleepmode.
Reviewed-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
The way the for_each_maps() macro is currently used, using "i" instead of
"_i_" works and is harmless. Still, this is a bug, that can trigger any
time, if the code around that macro changes. Better fix it now.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The Nomadik GPIO controller now relies on Nomadik pinctrl, however
the pinctrl driver is not currently started by any ux500 platform.
This is requred or GPIOs do not work at all.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This adds support for the spear13xx platform, which has first been under
review a long time ago and finally been completed after generic spear
work has gone into the clock, dt and pinctrl branches.
Also a number of updates for the samsung socs are part of this branch.
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Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc: soc specific changes (part 2) from Olof Johansson:
"This adds support for the spear13xx platform, which has first been
under review a long time ago and finally been completed after generic
spear work has gone into the clock, dt and pinctrl branches.
Also a number of updates for the samsung socs are part of this branch."
Fix up trivial conflicts in drivers/gpio/gpio-samsung.c that look much
worse than they are: the exonys5 init code was refactored in commit
fd454997d6 ("gpio: samsung: refactor gpiolib init for exynos4/5"), and
then commit f10590c983 ("ARM: EXYNOS: add GPC4 bank instance") added a
new gpio chip define and did tiny updates to the init code.
So the conflict diff looks like hell, but it's actually a fairly simple
change.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (34 commits)
ARM: exynos: fix building with CONFIG_OF disabled
ARM: EXYNOS: Add AUXDATA for i2c controllers
ARM: dts: Update device tree source files for EXYNOS5250
ARM: EXYNOS: Add device tree support for interrupt combiner
ARM: EXYNOS: Add irq_domain support for interrupt combiner
ARM: EXYNOS: Remove a new bus_type instance for EXYNOS5
ARM: EXYNOS: update irqs for EXYNOS5250 SoC
ARM: EXYNOS: Add pre-divider and fout mux clocks for bpll and mpll
ARM: EXYNOS: add GPC4 bank instance
ARM: EXYNOS: Redefine IRQ_MCT_L0,1 definition
ARM: EXYNOS: Modify the GIC physical address for static io-mapping
ARM: EXYNOS: Add watchdog timer clock instance
pinctrl: SPEAr1310: Fix pin numbers for clcd_high_res
SPEAr: Update MAINTAINERS and Documentation
SPEAr13xx: Add defconfig
SPEAr13xx: Add compilation support
SPEAr13xx: Add dts and dtsi files
pinctrl: Add SPEAr13xx pinctrl drivers
pinctrl: SPEAr: Create macro for declaring GPIO PINS
SPEAr13xx: Add common clock framework support
...
With this, five platforms are moving to the relatively new pinctrl
subsystem for their pin management, replacing the older soc specific
in-kernel interfaces with common code.
There is quite a bit of net addition of code for each platform being
added to the pinctrl subsystem. but the payback comes later when adding
new boards can be done by only providing new device trees instead.
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Merge tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm soc-specific pinctrl changes from Olof Johansson:
"With this, five platforms are moving to the relatively new pinctrl
subsystem for their pin management, replacing the older soc specific
in-kernel interfaces with common code.
There is quite a bit of net addition of code for each platform being
added to the pinctrl subsystem. But the payback comes later when
adding new boards can be done by only providing new device trees
instead."
Fix up trivial conflicts in arch/arm/mach-ux500/{Makefile,board-mop500.c}
* tag 'pinctrl' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (61 commits)
mtd: nand: gpmi: fix compile error caused by pinctrl call
ARM: PRIMA2: select PINCTRL and PINCTRL_SIRF in Kconfig
ARM: nomadik: enable PINCTRL_NOMADIK where needed
ARM: mxs: enable pinctrl support
video: mxsfb: adopt pinctrl support
ASoC: mxs-saif: adopt pinctrl support
i2c: mxs: adopt pinctrl support
mtd: nand: gpmi: adopt pinctrl support
mmc: mxs-mmc: adopt pinctrl support
serial: mxs-auart: adopt pinctrl support
serial: amba-pl011: adopt pinctrl support
spi/imx: adopt pinctrl support
i2c: imx: adopt pinctrl support
can: flexcan: adopt pinctrl support
net: fec: adopt pinctrl support
ARM: ux500: switch MSP to using pinctrl for pins
ARM: ux500: alter MSP registration to return a device pointer
ARM: ux500: switch to using pinctrl for uart0
ARM: ux500: delete custom pin control system
ARM: ux500: switch over to Nomadik pinctrl driver
...
The nomadik gpio code has been converted to pinctrl, but the nomadik platform
still expects the old code to be present. Change it to use the new one instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Some SoCs may not have pinmux disable function in HW.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds pinctrl driver for SPEAr13xx family. SPEAr13xx family supports two
machines: SPEAr1310 and SPEAr1340.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Same GPIO pins declarations would be required for other SoCs and that will be a
lot of lines of code. Its better to create common macros for it.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
The recent added mxs gpio device tree bindings require gpio nodes
defined under pinctrl node too. The pinctrl-mxs driver should skip
these node for group parsing and creating.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The initial mxs pinctrl support, commit 1772311 (pinctrl: add
pinctrl-mxs support) skipped creating group from device tree pin config
node. Add it to get pin config node work for client device.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Merge tag 'ux500-gpio-pins-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/pinctrl
ux500 GPIO and pinctrl changes for kernel 3.5
* tag 'ux500-gpio-pins-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: switch MSP to using pinctrl for pins
ARM: ux500: alter MSP registration to return a device pointer
ARM: ux500: switch to using pinctrl for uart0
ARM: ux500: delete custom pin control system
ARM: ux500: switch over to Nomadik pinctrl driver
pinctrl: add sleep state definition
pinctrl/nomadik: implement pin configuration
pinctrl/nomadik: implement pin multiplexing
pinctrl/nomadik: reuse GPIO debug function for pins
pinctrl/nomadik: break out single GPIO debug function
pinctrl/nomadik: basic Nomadik pinctrl interface
pinctrl/nomadik: !CONFIG_OF build error
gpio: move the Nomadik GPIO driver to pinctrl
Context conflicts resolved in drivers/pinctrl/Kconfig and
drivers/pinctrl/Makefile.
Signed-off-by: Olof Johansson <olof@lixom.net>
* spear/pinctrl:
pinctrl: (cosmetic) fix two entries in DocBook comments
pinctrl: add more info to error msgs in pin_request
CLKDEV: provide helpers for common clock framework
pinctrl: add pinctrl-mxs support
pinctrl: pinctrl-imx: add imx6q pinctrl driver
pinctrl: pinctrl-imx: add imx pinctrl core driver
dt: add of_get_child_count helper function
pinctrl: support gpio request deferred probing
pinctrl: add pinctrl_provide_dummies interface for platforms to use
pinctrl: enhance reporting of errors when loading from DT
pinctrl: add kerneldoc for pinctrl_ops device tree functions
pinctrl: propagate map validation errors
pinctrl: fix dangling comment
pinctrl: fix signed vs unsigned conditionals inside pinmux_map_to_setting
ARM: 7392/1: CLKDEV: Optimize clk_find()
ARM: 7376/1: clkdev: Implement managed clk_get()
This just adds more dependencies that are required in order not to
break the spear pinctrl support.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The spear/pinctrl branch has hard dependencies on both the
pinctrl branch and the clkdev branch. We merge those here
to fix it up without having to rebase a branch that has
been pulled into other stable branches already.
Conflicts:
Documentation/driver-model/devres.txt
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This implements the pin configuration interface for the
Nomadik pin controller.
As part of the exercise we add a bit in the pin_cfg_t for
the Nomadik pinctrl driver that indicates if the pin should
be forced into GPIO mode. This is not done to go behind the
back of the GPIO subsystem, but to ensure that default modes
can be set by hogs on boot and system suspend/resume states.
It was used implicitly by the old code defining all config
settings and modes in a single config word but we now have
a split between pinmux and pinconf leading to the need to
have this.
We also add a bit for explicitly setting sleepmode of the
pin. This was previously handled by custom calls with the
_sleep() suffix, but we now have one single interface into
the configuration so we replace this with a bit indicating
that the pin shall be configured into sleep mode.
Some of the configuration can be refactored later to use
less custom fields on the pin_cfg_t but we are currently
leaving the old function calls in place so we stay
compatible.
ChangeLog v1->v2:
- Drop a hunk changing pinmuxing for GPIO and move it
over to the preceding pinmux patch.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Implements basic pinmux for the Nomadik pin controller.
The plan is to split the existing singular pin config interface
nmk_config_pin(), nmk_config_pins(), that will configure muxing
and other settings at the same time, into two interfaces
by splitting the code in pinmux and pinctrl and eventually
deleting the old interface and its helper functions when all
users are gone.
nmk_gpio_set_mode() and nmk_gpio_get_mode() are two older
interfaces for just configuring muxing/altfunctions that
will also be replaced in the end.
We take some extra care to handle the glitch-avoidance here,
but it is simpler now since there is only one altsetting per
pingroup so we know immediately if we need to avoid altfunc
C glitches for a certain group.
As part of the makeover implement the .request() and .free()
calls on the GPIO chips and have them call back into the
pinctrl layer to reserve GPIOs.
ChangeLog v1->v2:
- Rebased on pinctrl-mergebase-20120418 so we get the latest
driver infrastructure where function count is done by a fixed
value and we can drop a few range checks since this is now
handled by the core.
- Include a GPIO muxing hunk erroneously part of the pin config
patch.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Since all pins we can control are GPIOs, match a GPIO range to
each pin in the debug function and call into the GPIO debug
print function to have the per-pin information.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Break out the code displaying the status of a single pin so we
can use the same code in the pinctrl debug function.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds a scratch pin control interface to the Nomadik pinctrl
driver, and defines the pins and groups in the DB8500 ASIC. We
define GPIO ranges to cover the pins exposed. The DB8500 has
more pins than this but we restrict the driver to the pins that
can be controlled from the combined GPIO and pin control hardware
to begin with.
ChangeLog v1->v2:
- Base on the latest pinctrl development from
pinctrl-mergebase-20120418 so we can get rid of legacy
group count mechanism. Also drop the range checks for group
index, this is handled by the core now.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
a60b57e "drivers/gpio: gpio-nomadik: Add support for irqdomains" broke
building with CONFIG_OF_GPIO disabled.
Without this patch, building nhk8815_defconfig results in:
/home/arnd/linux-arm/drivers/gpio/gpio-nomadik.c: In function 'nmk_gpio_probe':
/home/arnd/linux-arm/drivers/gpio/gpio-nomadik.c:1238:6: error: 'struct gpio_chip' has no member named 'of_node'
make[3]: *** [drivers/gpio/gpio-nomadik.o] Error 1
make[2]: *** [drivers/gpio] Error 2
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [drivers] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [sub-make] Error 2
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
I'm moving this driver over to the pinctrl subsystem to convert
the custom pin mux/config scheme over to use pinctrl.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
By Stephen Warren (12) and others
via Linus Walleij
* tag 'pinctrl-mergebase-20120418' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (24 commits)
pinctrl: show pin name for pingroups in sysfs
pinctrl: show pin name when request pins
pinctrl: implement devm_pinctrl_get()/put()
pinctrl: a minor fix of pin config debug information
pinctrl: pinconf: fix compilation error if PINCONF is not selected
pinctrl: allow pctldevs to decode pin config in debugfs
pinctrl: ifdef CONFIG_DEBUG_FS cleanup
pinctrl: mark non-EXPERIMENTAL
pinctrl: tegra: Add complete device tree support
dt: Document Tegra20/30 pinctrl binding
dt: Move Tegra20 pin mux binding into new pinctrl directory
dt: pinctrl: Document device tree binding
dt: add property iteration helpers
pinctrl: implement pinctrl deferred probing
pinctrl: add some error checking for user interfaces
pinctrl: fix pinmux_check_ops error checking
pinctrl: replace list_*() with get_*_count()
pinctrl: mark const init data with __initconst instead of __initdata
Documentation: pinctrl: add missing spi0_0 grp in example
pinctrl: fix build when CONFIG_OF && !CONFIG_PINCTRL
...
Resolved conflicts in drivers/pinctrl/core.c due to same patch being
applied in two branches.
Signed-off-by: Olof Johansson <olof@lixom.net>
Additionally print which pin the request failed for, which entity already
claimed it, and what entity was trying to claim it.
Remove duplicate device name from a debug message.
Clean up some indentation.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add pinctrl support for Freescale MXS SoCs, i.MX23 and i.MX28.
The driver supports device tree probe only.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
The driver has mux and config support while the gpio is still
not supported.
For select input setting, the driver will handle it internally
and do not need user to take care of it.
The pinctrl-imx core driver will parse the dts file and dynamically
create the pinmux functions and groups.
Each IMX SoC pinctrl driver should register pins with a pin register map
including mux register and config register and select input map to core
for proper operations.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As pinctrl handles, it may be possible the pinctrl gpio ranges
are still not got registered when user call pinctrl_gpio_request.
Thus, add defer support for it too.
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Linus Walleij <linus.walleij@linaro.org> writes:
This is a pull request for the GPIO and pin control stuff
accumulated in the ST-Ericsson tree. Here we have:
- Improvements and fixes and a custom pin config API from
Rabin Vincent
- Device Tree bindings from Lee Jones
- Some accumulated patches by yours truly.
- A MSP platform data init patch from Ola Lilja that is merged
here due to dependency on pin config work. It is to be
used with work being worked on in parallel in the ALSA
SoC subsystem.
If you wonder about the custom pin config implementation this
is to be used as a transition base as I am rewriting the
driver to use pinctrl. Expect a final pull request on top
of this one that will move the ux500 over to pinctrl.
* 'ux500-gpio-pins-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: Add support for MSP I2S-devices
drivers/gpio: gpio-nomadik: Add support for irqdomains
drivers/gpio: gpio-nomadik: Apply Device Tree bindings
ARM: ux500: update pin handling
ARM: ux500: implement pin API
ARM: ux500: remove a bunch of internal pull-ups
plat-nomadik: new sleep mode pincfg macros
gpio/nomadik: use ioremap() instead of static mappings
gpio/nomadik: support low EMI mode
gpio/nomadik: fix spurious interrupts with SKE
gpio/nomadik: cache [rf]w?imsc
gpio/nomadik: don't set SLPM to 1 for non-wakeup pins
Also includes an update to v3.4-rc4.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Add a interface pinctrl_provide_dummies for platform to indicate
whether it needs use pinctrl dummy state.
ChangeLog v3->v4:
* remove dummy gpio support in pinctrl subsystem.
Let gpio driver decide whether it wants to use pinctrl gpio mux
function.
ChangeLog v2->v3:
* Also changed the missed pinctrl gpio APIs in v1.
ChangeLog v1->v2:
* Based on sascha's suggestion, drop using kconfig since it will hide
pinctrl errors on all other boards.
See: https://lkml.org/lkml/2012/4/18/282
It seemed both Linus and Stephen agreed with this way, so i'm ok
with it too.
* Add dummy gpio support.
pinctrl gpio in the same situation as state.
* Patch name changed.
Original is pinctrl: handle dummy state in core.
* Split removing old dt dummy interface into a separate patch
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Dong Aisheng <dong.aisheng@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
There are a few places in the api where the code simply returns -EINVAL when
it finds an error. An example is pinmux_map_to_setting() which now reports an
error if we try to match a group with a function that it does not support.
The reporting of errors in pinconf_check_ops and pinmux_check_ops now has the
same style and is located inside the according functions and not the calling
code.
When the map is found in the DT but the default state can not be selected we
get an error to know that the code at least tried.
The patch also removes a stray word from one comment and a "->" from another
for the sake of consistency.
Finally we replace a few pr_err/debug() calls with dev_err/dbg().
Thanks go to Stephen Warren for reviewing the patch and enhancing the reporting
inside pinmux_map_to_setting().
Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
pinctrl_register_map() was returning early if pinmux_validate_map() or
pinconf_validate_map() failed, but was not actually returning the error
code.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
