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Cleanup patches for various ARM platforms and some of their associated
drivers. There's also a branch in here that enables Freescale i.MX to be
part of the multiplatform support -- the first "big" SoC that is moved
over (more multiplatform work comes in a separate branch later during
the merge window).
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups on various subarchitectures from Olof Johansson:
"Cleanup patches for various ARM platforms and some of their associated
drivers. There's also a branch in here that enables Freescale i.MX to
be part of the multiplatform support -- the first "big" SoC that is
moved over (more multiplatform work comes in a separate branch later
during the merge window)."
Conflicts fixed as per Olof, including a silent semantic one in
arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to
omap3xxx_restart(), and a new user of the old name was added).
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits)
ARM: omap: fix typo on timer cleanup
ARM: EXYNOS: Remove unused regs-mem.h file
ARM: EXYNOS: Remove unused non-dt support for dwmci controller
ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan
ARM: OMAP3: cm-t3517: use GPTIMER for system clock
ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER
ARM: SAMSUNG: use devm_ functions for ADC driver
ARM: EXYNOS: no duplicate mask/unmask in eint0_15
ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443
ARM: EXYNOS: Remove i2c0 resource information and setting of device names
ARM: Kirkwood: checkpatch cleanups
ARM: Kirkwood: Fix sparse warnings.
ARM: Kirkwood: Remove unused includes
ARM: kirkwood: cleanup lsxl board includes
ARM: integrator: use BUG_ON where possible
ARM: integrator: push down SC dependencies
ARM: integrator: delete static UART1 mapping
ARM: integrator: delete SC mapping on the CP
ARM: integrator: remove static CP syscon mapping
ARM: integrator: remove static AP syscon mapping
...
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
PXA95x isn't widely used. And it adds the effort on supporting
multiple platform. So remove it.
The assumption is that nobody will miss this support. If you are
reading this text because you actually require pxa95x support on
a new kernel, we can work out a way to revert this patch or add
support to the mmp platform.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- refactoring from Thierry Redding at Arnd Bergmann's request to use
the seq_file iterator interface in gpiolib.
- A new driver for Avionic Design's N-bit GPIO expander.
- Two instances of mutexes replaced by spinlocks from Axel Lin to
code that is supposed to be fastpath compliant.
- IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
Morimoto.
- Dynamic GPIO numbers, device tree support, daisy chaining and some
other fixes for the 74x164 driver by Maxime Ripard.
- IRQ domain and device tree support for the tc3589x driver by
Lee Jones.
- Some conversion to use managed resources devm_* code.
- Some instances of clk_prepare() or clk_prepare_enable() added to
support the new, stricter common clock framework.
- Some for_each_set_bit() simplifications.
- Then a lot of fixes as we fixed up all of the above tripping over
our own shoelaces and that kind of thing.
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Merge tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO changes from Linus Walleij:
"So this is the LW GPIO patch stack for v3.7:
- refactoring from Thierry Redding at Arnd Bergmann's request to use
the seq_file iterator interface in gpiolib.
- A new driver for Avionic Design's N-bit GPIO expander.
- Two instances of mutexes replaced by spinlocks from Axel Lin to
code that is supposed to be fastpath compliant.
- IRQ demuxer and gpio_to_irq() support for pcf857x by Kuninori
Morimoto.
- Dynamic GPIO numbers, device tree support, daisy chaining and some
other fixes for the 74x164 driver by Maxime Ripard.
- IRQ domain and device tree support for the tc3589x driver by Lee
Jones.
- Some conversion to use managed resources devm_* code.
- Some instances of clk_prepare() or clk_prepare_enable() added to
support the new, stricter common clock framework.
- Some for_each_set_bit() simplifications.
- Then a lot of fixes as we fixed up all of the above tripping over
our own shoelaces and that kind of thing."
* tag 'gpio-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (34 commits)
gpio: pcf857x: select IRQ_DOMAIN
gpio: Document device_node's det_debounce
gpio-lpc32xx: Add GPI_28
gpio: adnp: dt: Reference generic interrupt binding
gpio: Add Avionic Design N-bit GPIO expander support
gpio: pxa: using for_each_set_bit to simplify the code
gpio_msm: using for_each_set_bit to simplify the code
gpio: Enable the tc3298x GPIO expander driver for Device Tree
gpio: Provide the tc3589x GPIO expander driver with an IRQ domain
ARM: shmobile: kzm9g: use gpio-keys instead of gpio-keys-polled
gpio: pcf857x: fixup smatch WARNING
gpio: 74x164: Add support for the daisy-chaining
gpio: 74x164: dts: Add documentation for the dt binding
dt: Fix incorrect reference in gpio-led documentation
gpio: 74x164: Add device tree support
gpio: 74x164: Use dynamic gpio number assignment if no pdata is present
gpio: 74x164: Use devm_kzalloc
gpio: 74x164: Use module_spi_driver boiler plate function
gpio: sx150x: Use irq_data_get_irq_chip_data() at appropriate places
gpio: em: Use irq_data_get_irq_chip_data() at appropriate places
...
Using for_each_set_bit() to simplify the code.
spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs'
+ sync to 3.6-rc3
Clk_prepare_enable and clk_disable_unprepare combine clk_prepare and
clk_enable, and clk_disable and clk_unprepare. They make the code more
concise, and ensure that clk_unprepare is called when clk_enable fails.
A simplified version of the semantic patch that introduces calls to these
functions is as follows: (http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
@@
- clk_prepare(e);
- clk_enable(e);
+ clk_prepare_enable(e);
@@
expression e;
@@
- clk_disable(e);
- clk_unprepare(e);
+ clk_disable_unprepare(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Simplify the code in gpio-pxa.c and make them based on irq_base.
When not probed from devicetree, initialize irq_base from
PXA_GPIO_TO_IRQ() or MMP_GPIO_TO_IRQ(), respectively, so the non-DT case
still works.
Only tested on PXA3xx.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Commit 7212157267 ("GPIO: gpio-pxa: fix devicetree functions") added an
"xlate" function pointer to the irq_domain_ops, but this function is nor
declared or defined anywhere when CONFIG_OF is disabled, causing the
build error:
drivers/gpio/gpio-pxa.c:532:11: error: 'irq_domain_xlate_twocell' undeclared here (not in a function)
Extending the DT-only code section to cover the irq_domain_ops and the
pxa_gpio_dt_ids solves this problem and makes it clearer which code is
actually used without DT.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Provide an of_xlate function for the PXA GPIO chips and make it work for
devicetree environments.
Successfully tested on a PXA3xx board.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
In 3.3, gpio wakeup setting was broken. The call
enable_irq_wake() didn't set up the PXA gpio registers
(PWER, ...) anymore.
Fix it at least for pxa27x. The driver doesn't seem to be
used in pxa25x (weird ...), and the fix doesn't extend to
pxa3xx and pxa95x (which don't have a gpio_set_wake()
available).
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
In preparation to make mach/irqs.h optional and remove from asm/irq.h,
directly include mach/irq.h to get MMP_GPIO_TO_IRQ and PXA_GPIO_TO_IRQ.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Support clk in gpio driver. There's no gpio clock in PXA25x and PXA27x.
So use dummy clk instead. And move the gpio edge initialization into
gpio driver for arch-mmp.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Use cpuid to recognize the gpio number and type. CPU_PXA26x is the
special case since we can't identify it by cpuid.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Avoid to define gpio_to_irq() and irq_to_gpio() for potential name
confliction since multiple architecture will be built together.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
GPIO0 and GPIO1 are linked to unique interrupt line in PXA series,
others are linked to another interrupt line. All GPIO are linked to one
interrupt line in MMP series.
Since gpio driver is shared between PXA series and MMP series, define
GPIO0 and GPIO1 as chained interrupt chip. So we can move out gpio code
from irq.c to gpio-pxa.c.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
The <mach/gpio.h> file is included from upper directories
and deal with generic GPIO and gpiolib stuff. Break out the
platform and driver specific defines and functions into its own
header file.
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
As per example from the other ARM boards, push the PXA
GPIO driver down to the GPIO subsystem so it can be consolidated.
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
