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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanup from Olof Johansson:
"Here is a collection of cleanup patches. Among the pieces that stand
out are:
- The deletion of h720x platforms
- Split of at91 non-dt platforms to their own Kconfig file to keep
them separate
- General cleanups and refactoring of i.MX and MXS platforms
- Some restructuring of clock tables for OMAP
- Convertion of PMC driver for Tegra to dt-only
- Some renames of sunxi -> sun4i (Allwinner A10)
- ... plus a bunch of other stuff that I haven't mentioned"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
ARM: i.MX: remove unused ARCH_* configs
ARM i.MX53: remove platform ahci support
ARM: sunxi: Rework the restart code
irqchip: sunxi: Rename sunxi to sun4i
irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
clocksource: sunxi: Rename sunxi to sun4i
clocksource: sunxi: make use of CLKSRC_OF
clocksource: sunxi: Cleanup the timer code
ARM: at91: remove trailing semicolon from macros
ARM: at91/setup: fix trivial typos
ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
ARM: EXYNOS: change the name of USB ohci header
ARM: SAMSUNG: Remove unnecessary code for dma
ARM: S3C24XX: Remove unused GPIO drive strength register definitions
ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
...
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commit 39b70ee051 "gpio: pl061: bind pinctrl by gpio request"
adds pl061_gpio_request() to request pinctrl.
Thus we need to add corresponding pl061_gpio_free() to free the pin.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These functions have been introduced by commit 10a8c383 (irq: introduce
entry and exit functions for chained handlers) in asm/mach/irq.h. This
patch moves them to linux/irqchip/chained_irq.h so that generic irqchip
drivers do not rely on architecture specific header files.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Rob Herring <rob.herring@calxeda.com>
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Add the pl061_gpio_request() to request pinctrl. Create the logic
between pl061 gpio driver and pinctrl (pinctrl-single) driver.
While a gpio pin is requested, it will request pinctrl driver to
set that pin with gpio function mode. So pinctrl driver should
append .gpio_request_enable() in pinmux_ops.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Drop the support of irq generic chip. Now support irqdomain instead.
Although set_wake() is defined in irq generic chip & it is not really
used in pl061 gpio driver. Drop it at the same time.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Replace subsys initcall by module initcall level. Since pinctrl
driver is already launched before gpio driver. It's unnecessary
to set gpio driver in subsys init call level.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Tested-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one
spinlock in struct pl061_gpio.
Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Use the devm_* family of functions during probe to reduce the error
handling code footprint.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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pl061 uses same routines for suspend/freeze/poweroff and resume/thaw/restore.
We are only saving and restoring register values on these routines.
During hibernation, in freeze() we take a snapshot of gpio registers. In thaw()
we don't actually need to restore these registers, as power was never shut down
till now. Similarly, in poweroff() we don't need to take snapshot of these
registers again, as it was done during freeze() and by now the image is already
saved on disk.
This patch passes poweroff() and thaw() routines as NULL to avoid this extra
work done.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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2nd round of GPIO changes for v3.3 merge window
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6:
GPIO: sa1100: implement proper gpiolib gpio_to_irq conversion
gpio: pl061: remove combined interrupt
gpio: pl061: convert to use generic irq chip
GPIO: add bindings for managed devices
ARM: realview: convert pl061 no irq to 0 instead of -1
gpio: pl061: convert to use 0 for no irq
gpio: pl061: use chained_irq_* functions in irq handler
GPIO/pl061: Add suspend resume capability
drivers/gpio/gpio-tegra.c: use devm_request_and_ioremap
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git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'amba-modalias' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
sound: aaci: Enable module alias autogeneration for AMBA drivers
watchdog: sp805: Enable module alias autogeneration for AMBA drivers
fbdev: amba: Enable module alias autogeneration for AMBA drivers
serial: pl011: Enable module alias autogeneration for AMBA drivers
serial: pl010: Enable module alias autogeneration for AMBA drivers
spi: pl022: Enable module alias autogeneration for AMBA drivers
rtc: pl031: Enable module alias autogeneration for AMBA drivers
rtc: pl030: Enable module alias autogeneration for AMBA drivers
mmc: mmci: Enable module alias autogeneration for AMBA drivers
input: ambakmi: Enable module alias autogeneration for AMBA drivers
gpio: pl061: Enable module alias autogeneration for AMBA drivers
dmaengine: pl330: Enable module alias autogeneration for AMBA drivers
dmaengine: pl08x: Enable module alias autogeneration for AMBA drivers
hwrng: nomadik: Enable module alias autogeneration for AMBA drivers
ARM: amba: Auto-generate AMBA driver module aliases during modpost
ARM: amba: Move definition of struct amba_id to mod_devicetable.h
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gpio/next
Conflicts:
drivers/gpio/gpio-pl061.c
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Drivers should not have a dependency on NR_IRQS. Doing so may break with
SPARSE_IRQ enabled. As there are no in kernel users of the pl061 which
have multiple instances with their interrupts combined to a single parent
interrupt, remove this functionality. If this capability is needed later,
it could be supported more cleanly by just using a devicetree property.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Reviewed-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
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Convert the pl061 irq_chip code to use the generic irq chip code.
This has the side effect of using 32-bit accesses rather than 8-bit
accesses to interrupt registers. The h/w TRM and testing seem to indicate
this is fine.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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We don't want drivers using NO_IRQ, so remove its use. For now, 0 or
-1 means no irq until platforms are converted to use 0.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.ml.walleij@gmail.com>
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Use chained_irq_enter/exit helper functions instead of direct pointer
accesses. This is needed for generic irq chip conversion.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Linus Walleij <linus.ml.walleij@gmail.com>
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This patch adds the suspend and resume operations in the driver. The patch
ensures the data save and restore for the device registers during the
suspend and resume operations respectively.
Signed-off-by: Deepak Sikri <deepak.sikri@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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In adding DT binding support, the check for NULL platform_data got added
back in inadvertently, so remove it.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Signed-off-by: Dave Martin <dave.martin@linaro.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
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This adds devicetree binding support to the ARM pl061 driver removing the
platform_data dependency. When DT binding is used, the gpio numbering is
assigned dynamically. For now, interrupts are not supported with DT until
irqdomains learn dynamic irq assignment.
Rather than add another case of -1, updating the driver to use NO_IRQ.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Sort the gpio makefile and enforce the naming convention gpio-*.c for
gpio drivers.
v2: cleaned up filenames in Kconfig and comment blocks
v3: fixup use of BASIC_MMIO to GENERIC_GPIO for mxc
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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