Commit Graph

619 Commits

Author SHA1 Message Date
Arnd Bergmann
26922c5909 ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
For a long time, gcc has warned about odd configurations on s3c64xx:

In file included from arch/arm/plat-samsung/pm.c:34:0:
arch/arm/mach-s3c64xx/include/mach/pm-core.h:61:0: warning: "s3c_irqwake_eintallow" redefined
 #define s3c_irqwake_eintallow ((1 << 28) - 1)
In file included from arch/arm/plat-samsung/pm.c:33:0:
arch/arm/plat-samsung/include/plat/pm.h:49:0: note: this is the location of the previous definition
 #define s3c_irqwake_eintallow 0

The definitions of s3c_irqwake_intallow and s3c_irqwake_eintallow are a
bit consistent between the various platforms. Things have become easier
now that it's only s3c24xx and s3c64xx that use them at all, so I've tried
to rearrange the definitions to make it more obvious what is going on.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-31 17:26:18 +01:00
Arnd Bergmann
b71976128c ARM: s3c64xx: fix pm-debug compilation
I got one randconfig build that failed to compile plat-samsung/pm-debug.c
on s3c64xx:

In file included from arch/arm/plat-samsung/pm-debug.c:27:0:
arch/arm/mach-s3c64xx/include/mach/pm-core.h: In function 's3c_pm_debug_init_uart':
arch/arm/mach-s3c64xx/include/mach/pm-core.h:25:25: error: 'S3C_VA_SYS' undeclared (first use in this function)
  u32 tmp = __raw_readl(S3C_PCLK_GATE);
arch/arm/mach-s3c64xx/include/mach/pm-core.h:25:25: note: each undeclared identifier is reported only once for each function it appears in
arch/arm/mach-s3c64xx/include/mach/pm-core.h:39:2: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]
  udelay(10);

I have not investigated why this does not show up much more often, I
guess the headers are usually included from elsewhere, but adding
explicit #include statements is an obvious fix.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-31 17:25:45 +01:00
Arnd Bergmann
b28210421c ARM: s3c64xx: allow building without board support
Most of the code for the s3c64xx platform is only used when booting
with ATAGS based board files, but not when using device-tree.

This tries to identify all the s3c64xx specific code that is
unneeded when CONFIG_ATAGS is not set, so we can build a smaller
DT-only kernel if configured that way.

All board support is still left intact but now depends on the
CONFIG_ATAGS symbol that users may intentionally disable.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:50:26 +01:00
Arnd Bergmann
af37eec065 ARM: s3c64xx: multiplatform support
After all preparation work is done, we can finally move the Kconfig
option for s3c64xx into ARCH_MULTIPLATFORM. This implies allowing
SAMSUNG_ATAGS for multiplatform again, but now disallowing the
ADC driver below it, as that still has dependencies on header files.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:50:26 +01:00
Arnd Bergmann
bb08dea1a0 ARM: s3c64xx: use common debug-ll implementation
The uart on s3c64xx is essentially the same as on s3c24xx,
so we can share a single assembler file. However, the addresses
are different, and we need to add the respective Kconfig magic
to get the right addresses.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:50:25 +01:00
Arnd Bergmann
a829ae57f8 ARM: s3c64xx: use new adc/touchscreen driver
The old ADC and touchscreen drivers are not compatible with
multiplatform support, but we can use the exynos-adc driver
as a replacement.

This changes the common device creation functions for s3c64xx
(but not s3c24xx for now) to use the new driver. To do this,
we have to pass the interrupt resources in the opposite order
and pass the platform data in the adc device node.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:50:25 +01:00
Arnd Bergmann
ba27904456 ARM: s3c64xx: enable sparse IRQ support
This is another prerequisite for enabling multiplatform
support, and it is the part I am least certain about.

I assume it will cause the extra boot message "Cannot
allocate irq_descs @ IRQ%d, assuming pre-allocated" to
be printed, but otherwise work ok. This definitely needs
to be tested on real hardware to see if it works.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2015-12-01 21:50:24 +01:00
Arnd Bergmann
a0e157afd0 ARM: s3c64xx: prepare initcalls for multiplatform
In a multiplatform kernel, each initcall is run regardless
of the platform it is meant for, so it must not attempt to
access SoC-specific registers.

This adds 'if (soc_is_s3c64xx)' to all initcalls that are
specific to the s3c64xx platform, to prevent them from breaking
other platforms once we can build them into a combined kernel.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-01 21:50:24 +01:00
Arnd Bergmann
df0cc2d1e1 ASoC: samsung/smartq: use dynamic registration
As a prerequisite for moving s3c64xx into multiplatform configurations,
we need to change the smartq audio driver to stop using hardcoded
gpio numbers from the header file, and instead pass the gpio data
through platform_data.

In order to do that, we also move the code to use module_platform_driver
and register the platform device using platform_device_register_simple
and register the gpios through the gpiod API.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
2015-12-01 21:50:24 +01:00
Arnd Bergmann
9bdca822cb ASoC: samsung: pass filter function as pointer
As we are now passing the filter data as pointers to the drivers,
we can take the final step and also pass the filter function the
same way. I'm keeping this change separate, as there it's less
obvious that this is a net win.

Upsides of this are:

- The ASoC drivers are completely independent from the DMA engine
  implementation, which simplifies the Kconfig logic and in theory
  allows the same sound drivers to be built in a kernel that supports
  different kinds of dmaengine drivers.

- Consistency with other subsystems and drivers

On the other hand, we have a few downsides:

- The s3c24xx-dma driver now needs to be built-in for the ac97 platform
  device to be instantiated on s3c2440.

- samsung_dmaengine_pcm_config cannot be marked 'const' any more
  because the filter function pointer needs to be set at runtime.
  This is safe as long we don't have multiple different DMA engines
  in thet same system at runtime, but is nonetheless ugly.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-21 13:27:22 +00:00
Arnd Bergmann
b9a1a74381 ASoC: samsung: pass DMA channels as pointers
ARM64 allmodconfig produces a bunch of warnings when building the
samsung ASoC code:

sound/soc/samsung/dmaengine.c: In function 'samsung_asoc_init_dma_data':
sound/soc/samsung/dmaengine.c:53:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   playback_data->filter_data = (void *)playback->channel;
sound/soc/samsung/dmaengine.c:60:31: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
   capture_data->filter_data = (void *)capture->channel;

We could easily shut up the warning by adding an intermediate cast,
but there is a bigger underlying problem: The use of IORESOURCE_DMA
to pass data from platform code to device drivers is dubious to start
with, as what we really want is a pointer that can be passed into
a filter function.

Note that on s3c64xx, the pl08x DMA data is already a pointer, but
gets cast to resource_size_t so we can pass it as a resource, and it
then gets converted back to a pointer. In contrast, the data we pass
for s3c24xx is an index into a device specific table, and we artificially
convert that into a pointer for the filter function.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2015-11-18 17:51:46 +00:00
Linus Torvalds
56e0464980 Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
 "New and/or improved SoC support for this release:

  Marvell Berlin:
     - Enable standard DT-based cpufreq
     - Add CPU hotplug support

  Freescale:
     - Ethernet init for i.MX7D
     - Suspend/resume support for i.MX6UL

  Allwinner:
     - Support for R8 chipset (used on NTC's $9 C.H.I.P board)

  Mediatek:
     - SMP support for some platforms

  Uniphier:
     - L2 support
     - Cleaned up SMP support, etc.

  plus a handful of other patches around above functionality, and a few
  other smaller changes"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
  ARM: uniphier: rework SMP operations to use trampoline code
  ARM: uniphier: add outer cache support
  Documentation: EXYNOS: Update bootloader interface on exynos542x
  ARM: mvebu: add broken-idle option
  ARM: orion5x: use mac_pton() helper
  ARM: at91: pm: at91_pm_suspend_in_sram() must be 8-byte aligned
  ARM: sunxi: Add R8 support
  ARM: digicolor: select pinctrl/gpio driver
  arm: berlin: add CPU hotplug support
  arm: berlin: use non-self-cleared reset register to reset cpu
  ARM: mediatek: add smp bringup code
  ARM: mediatek: enable gpt6 on boot up to make arch timer working
  soc: mediatek: Fix random hang up issue while kernel init
  soc: ti: qmss: make acc queue support optional in the driver
  soc: ti: add firmware file name as part of the driver
  Documentation: dt: soc: Add description for knav qmss driver
  ARM: S3C64XX: Use PWM lookup table for mach-smartq
  ARM: S3C64XX: Use PWM lookup table for mach-hmt
  ARM: S3C64XX: Use PWM lookup table for mach-crag6410
  ARM: S3C64XX: Use PWM lookup table for smdk6410
  ...
2015-11-10 14:56:23 -08:00
Olof Johansson
156746b173 Merge tag 'samsung-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc
Samsung SoC updates for v4.4

- use PWM lookup table with pwm_add_table() for the following boards
  : s3c24xx h1940 and rx1950
  : s3c64xx smdk6410, crag6410, hmt and smartq
- document: update bootloader interface on exynos542x

* tag 'samsung-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  Documentation: EXYNOS: Update bootloader interface on exynos542x
  ARM: S3C64XX: Use PWM lookup table for mach-smartq
  ARM: S3C64XX: Use PWM lookup table for mach-hmt
  ARM: S3C64XX: Use PWM lookup table for mach-crag6410
  ARM: S3C64XX: Use PWM lookup table for smdk6410
  ARM: S3C24XX: Use PWM lookup table for mach-rx1950
  ARM: S3C24XX: Use PWM lookup table for mach-h1940

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-10-26 10:18:41 +09:00
Thierry Reding
4dddfb8823 ARM: S3C64XX: Use PWM lookup table for mach-smartq
Use a PWM lookup table to provide the PWM to the pwm-backlight device.
The driver has a legacy code path that is required only because boards
still use the legacy method of requesting PWMs by global ID. Replacing
these usages allows that legacy fallback to be removed.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-10-13 05:04:24 +09:00
Thierry Reding
dd39be623e ARM: S3C64XX: Use PWM lookup table for mach-hmt
Use a PWM lookup table to provide the PWM to the pwm-backlight device.
The driver has a legacy code path that is required only because boards
still use the legacy method of requesting PWMs by global ID. Replacing
these usages allows that legacy fallback to be removed.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-10-13 05:04:22 +09:00
Thierry Reding
799fbf8cee ARM: S3C64XX: Use PWM lookup table for mach-crag6410
Use a PWM lookup table to provide the PWM to the pwm-backlight device.
The driver has a legacy code path that is required only because boards
still use the legacy method of requesting PWMs by global ID. Replacing
these usages allows that legacy fallback to be removed.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-10-13 05:04:22 +09:00
Thierry Reding
bf0ff1cd21 ARM: S3C64XX: Use PWM lookup table for smdk6410
Use a PWM lookup table to provide the PWM to the pwm-backlight device.
The driver has a legacy code path that is required only because boards
still use the legacy method of requesting PWMs by global ID. Replacing
these usages allows that legacy fallback to be removed.

Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-10-13 05:04:22 +09:00
Felipe Balbi
1f91b4cc03 usb: dwc2: rename all s3c_* to dwc2_*
this driver has long ago became dwc2.ko with
both peripheral and host roles, there's no point
in keeping the old function names.

Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-09-27 10:54:31 -05:00
Thomas Gleixner
bd0b9ac405 genirq: Remove irq argument from irq flow handlers
Most interrupt flow handlers do not use the irq argument. Those few
which use it can retrieve the irq number from the irq descriptor.

Remove the argument.

Search and replace was done with coccinelle and some extra helper
scripts around it. Thanks to Julia for her help!

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
2015-09-16 15:47:51 +02:00
Linus Torvalds
c5fc249862 Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
 "A large cleanup branch this release, with a healthy 10k negative line
  delta.

  Most of this is removal of legacy (non-DT) support of shmobile
  platforms.  There is also removal of two non-DT platforms on OMAP, and
  the plat-samsung directory is cleaned out by moving most of the
  previously shared-location-but-not-actually-shared files from there to
  the appropriate mach directories instead.

  There are other sets of changes in here as well:

   - Rob Herring removed use of set_irq_flags under all platforms and
     moved to genirq alternatives

   - a series of timer API conversions to set-state interface

   - ep93xx, nomadik and ux500 cleanups from Linus Walleij

   - __init annotation fixes from Nicolas Pitre

   + a bunch of other changes that all add up to a nice set of cleanups"

* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (108 commits)
  ARM/fb: ep93xx: switch framebuffer to use modedb only
  ARM: gemini: Setup timer3 as free running timer
  ARM: gemini: Use timer1 for clockevent
  ARM: gemini: Add missing register definitions for gemini timer
  ARM: ep93xx/timer: Migrate to new 'set-state' interface
  ARM: nomadik: push accelerometer down to boards
  ARM: nomadik: move l2x0 setup to device tree
  ARM: nomadik: selectively enable UART0 on boards
  ARM: nomadik: move hog code to use DT hogs
  ARM: shmobile: Fix mismerges
  ARM: ux500: simplify secondary CPU boot
  ARM: SAMSUNG: remove keypad-core header in plat-samsung
  ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
  ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
  ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
  ARM: SAMSUNG: local backlight header in mach-s3c64xx
  ARM: SAMSUNG: local ata-core header in mach-s3c64xx
  ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
  ARM: SAMSUNG: local spi-core header in mach-s3c24xx
  ARM: SAMSUNG: local nand-core header in mach-s3c24xx
  ...
2015-09-01 12:10:20 -07:00
Olof Johansson
28d250c4ed Merge tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
Samsung cleanup for v4.3

- make the following headers local
  watchdog-reset, onenand-core, irq-uart, backlight,
  ata-core, regs-usb-hsotg-phy, spi-core, nand-core,
  fb-core and regs-srom headers
- make the following c file local
  s5p-dev-mfc, dev-backlight and setup-camif c file
- remove keypad-core.h file
- drop owner assignment in pmu.c
- remove duplicated define of SLEEP_MAGIC
- make exynos5420_powerdown_conf() staic

* tag 'samsung-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: SAMSUNG: remove keypad-core header in plat-samsung
  ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
  ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
  ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
  ARM: SAMSUNG: local backlight header in mach-s3c64xx
  ARM: SAMSUNG: local ata-core header in mach-s3c64xx
  ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
  ARM: SAMSUNG: local spi-core header in mach-s3c24xx
  ARM: SAMSUNG: local nand-core header in mach-s3c24xx
  ARM: SAMSUNG: local fb-core header in mach-s3c24xx
  ARM: SAMSUNG: local regs-srom header in mach-exynos
  ARM: SAMSUNG: make local s5p-dev-mfc in mach-exynos
  ARM: SAMSUNG: make local dev-backlight in mach-s3c64xx
  ARM: SAMSUNG: make local setup-camif in mach-s3c24xx
  ARM: EXYNOS: Drop owner assignment in pmu.c
  ARM: EXYNOS: Remove duplicated define of SLEEP_MAGIC
  ARM: EXYNOS: Make local function static

Signed-off-by: Olof Johansson <olof@lixom.net>
2015-08-11 14:59:02 +02:00
Kukjin Kim
96bc024cdc ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
This patch moves watchdog-reset header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:52 +09:00
Kukjin Kim
fe31d04416 ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
This patch moves onenand-core header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:47 +09:00
Kukjin Kim
876ba9bafb ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
This patch moves irq-uart header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:38 +09:00
Kukjin Kim
4a7bf56f7f ARM: SAMSUNG: local backlight header in mach-s3c64xx
This patch moves backlight header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:36 +09:00
Kukjin Kim
e979b1a9b4 ARM: SAMSUNG: local ata-core header in mach-s3c64xx
This patch moves ata-core header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:36 +09:00
Kukjin Kim
3b0a5a96d0 ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
This patch moves regs-usb-hsotg-phy header file into mach-s3c64xx.
Because it is not used for others except mach-s3c64xx.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 02:00:36 +09:00
Kukjin Kim
7f798c1c0d ARM: SAMSUNG: make local dev-backlight in mach-s3c64xx
This patch moves dev-backlight from plat-samsung into mach-s3c64xx
because it is used for only s3c64xx no other platforms.

Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-07-30 01:48:58 +09:00
Rob Herring
e8d36d5dbb ARM: kill off set_irq_flags usage
set_irq_flags is ARM specific with custom flags which have genirq
equivalents. Convert drivers to use the genirq interfaces directly, so we
can kill off set_irq_flags. The translation of flags is as follows:

IRQF_VALID -> !IRQ_NOREQUEST
IRQF_PROBE -> !IRQ_NOPROBE
IRQF_NOAUTOEN -> IRQ_NOAUTOEN

For IRQs managed by an irqdomain, the irqdomain core code handles clearing
and setting IRQ_NOREQUEST already, so there is no need to do this in
.map() functions and we can simply remove the set_irq_flags calls. Some
users also modify IRQ_NOPROBE and this has been maintained although it
is not clear that is really needed. There appears to be a great deal of
blind copy and paste of this code.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Imre Kaloz <kaloz@openwrt.org>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Cc: Greg Ungerer <gerg@uclinux.org>
Cc: Roland Stigge <stigge@antcom.de>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Simtec Linux Team <linux@simtec.co.uk>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-omap@vger.kernel.org
Cc: linux-samsung-soc@vger.kernel.org
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-28 13:58:13 +02:00
Nicolas Pitre
19c233b79d ARM: appropriate __init annotation for const data
Init data marked const should be annotated with __initconst for
correctness and not __initdata.  In some cases the array gathering
references to that data has to be marked const as well. This fixes
LTO builds that otherwise fail with section mismatch errors.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
2015-07-28 13:55:27 +02:00
Stephen Boyd
c04868d9b8 ARM: s3c64xx: Remove clk-provider.h include
This file doesn't use the clk provider APIs. Remove the include.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
2015-07-20 10:52:34 -07:00
Linus Torvalds
e6c81cce56 Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
 "Our SoC branch usually contains expanded support for new SoCs and
  other core platform code.  In this case, that includes:

   - support for the new Annapurna Labs "Alpine" platform

   - a rework greatly simplifying adding new platform support to the
     MCPM subsystem (Multi-cluster power management)

   - cpuidle and PM improvements for Exynos3250

   - misc updates for Renesas, OMAP, Meson, i.MX.  Some of these could
     have gone in other branches but ended up here for various reasons"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
  ARM: alpine: add support for generic pci
  ARM: Exynos: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: migrate DCSCB to the new MCPM backend abstraction
  ARM: vexpress: DCSCB: tighten CPU validity assertion
  ARM: vexpress: migrate TC2 to the new MCPM backend abstraction
  ARM: MCPM: move the algorithmic complexity to the core code
  ARM: EXYNOS: allow cpuidle driver usage on Exynos3250 SoC
  ARM: EXYNOS: add AFTR mode support for Exynos3250
  ARM: EXYNOS: add code for setting/clearing boot flag
  ARM: EXYNOS: fix CPU1 hotplug on Exynos3250
  ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
  ARM: cygnus: fix const declaration bcm_cygnus_dt_compat
  ARM: DRA7: hwmod: Fix the hwmod class for GPTimer4
  ARM: DRA7: hwmod: Add data for GPTimers 13 through 16
  ARM: EXYNOS: Remove left over 'extra_save'
  ARM: EXYNOS: Constify exynos_pm_data array
  ARM: EXYNOS: use static in suspend.c
  ARM: EXYNOS: Use platform device name as power domain name
  ARM: EXYNOS: add support for async-bridge clocks for pm_domains
  ARM: omap-device: add missed callback for suspend-to-disk
  ...
2015-04-22 09:08:39 -07:00
Linus Torvalds
38eb1dbb0d Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
 "Here's the usual "low-priority fixes that didn't make it into the last
  few -rcs, with a twist: We had a fixes pull request that I didn't send
  in time to get into 4.0, so we'll send some of them to Greg for
  -stable as well.

  Contents here is as usual not all that controversial:

   - a handful of randconfig fixes from Arnd, in particular for older
     Samsung platforms

   - Exynos fixes, !SMP building, DTS updates for MMC and lid switch

   - Kbuild fix to create output subdirectory for DTB files

   - misc minor fixes for OMAP"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
  ARM: at91/dt: sama5d3 xplained: add phy address for macb1
  kbuild: Create directory for target DTB
  ARM: mvebu: Disable CPU Idle on Armada 38x
  ARM: DRA7: Enable Cortex A15 errata 798181
  ARM: dts: am57xx-beagle-x15: Add thermal map to include fan and tmp102
  ARM: dts: DRA7: Add bandgap and related thermal nodes
  bus: ocp2scp: SYNC2 value should be changed to 0x6
  ARM: dts: am4372: Add "ti,am437x-ocp2scp" as compatible string for OCP2SCP
  ARM: OMAP2+: remove superfluous NULL pointer check
  ARM: EXYNOS: Fix build breakage cpuidle on !SMP
  ARM: dts: fix lid and power pin-functions for exynos5250-spring
  ARM: dts: fix mmc node updates for exynos5250-spring
  ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688
  MAINTAINERS: add OMAP defconfigs under OMAP SUPPORT
  ARM: OMAP1: PM: fix some build warnings on 1510-only Kconfigs
  ARM: cns3xxx: don't export static symbol
  ARM: S3C24XX: avoid a Kconfig warning
  ARM: S3C24XX: fix header file inclusions
  ARM: S3C24XX: fix building without PM_SLEEP
  ARM: S3C24XX: use SAMSUNG_WAKEMASK for s3c2416
  ...
2015-04-22 09:03:30 -07:00
Charles Keepax
4e330ae4ab ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore
There are two PMICs on Cragganmore, currently one dynamically assign
its IRQ base and the other uses a fixed base. It is possible for the
statically assigned PMIC to fail if its IRQ is taken by the dynamically
assigned one. Fix this by statically assigning both the IRQ bases.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-03-27 01:58:08 +09:00
Daniel Lezcano
eeebc3bb4d ARM: cpuidle: Remove duplicate header inclusion
The cpu_do_idle() function is always used by the cpuidle drivers.

That led to have each driver including cpuidle.h and proc-fns.h, they are
always paired. That makes a lot of duplicate headers inclusion. Instead of
including both in each .c file, move the proc-fns.h header inclusion in the
cpuidle.h header file directly, so we can save some line of code.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2015-03-23 18:03:11 +01:00
Arnd Bergmann
19c69dafad ARM: S3C64XX: fix __initdata section mismatch
smdk6410_b_pwr_5v_data is marked as __initdata, but referenced
from a structure that is not:

WARNING: arch/arm/mach-s3c64xx/built-in.o(.data+0x4c5c): Section mismatch in reference from the variable smdk6410_b_pwr_5v_data to the (unknown reference) .init.data:(unknown)

This removes the annotation to avoid an invalid pointer access
when the regulator driver accesses this variable.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-02-27 05:50:22 +09:00
Arnd Bergmann
484c213b10 ARM: S3C64XX: fix building without CONFIG_PM_SLEEP
arch/arm/mach-s3c64xx/built-in.o: In function `s3c_pm_restore_core':
:(.text+0x5d0): undefined reference to `s3c_pm_do_restore_core'
:(.text+0x5d4): undefined reference to `s3c_pm_do_restore'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c_pm_save_core':
:(.text+0x60c): undefined reference to `s3c_pm_do_save'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c64xx_irq_pm_resume':
:(.text+0x670): undefined reference to `s3c_pm_do_restore'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c64xx_irq_pm_suspend':
:(.text+0x6d8): undefined reference to `s3c_pm_do_save'
arch/arm/mach-s3c64xx/built-in.o: In function `s3c_cpu_resume':
:(.text+0x71c): undefined reference to `cpu_resume'

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-02-27 05:50:22 +09:00
Arnd Bergmann
261592e6b8 ARM: S3C64XX: add I2C dependencies where needed
The SMDK6410_WM1190_EV1 and SMDK6410_WM1192_EV1 add-on
cards select MFD_WM*_I2C, but they ignore the fact that I2C
may be compiled as a loadable module.

This patch adds a dependency on I2C, which means we avoid
the build errors, but can end up in a case where the options
are hidden from the user when I2C is turned off.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-02-27 05:50:21 +09:00
Arnd Bergmann
d50b9e2e78 ARM: SAMSUNG: remove unused DMA infrastructure
Everything uses dmaengine now, so there is no reason to
keep this around any longer. Thanks to everyone who was involved
in moving the users over to use the dmaengine APIs.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
2015-01-24 13:09:54 +09:00
Daniel Lezcano
b82b6cca48 cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
The only place where the time is invalid is when the ACPI_CSTATE_FFH entry
method is not set. Otherwise for all the drivers, the time can be correctly
measured.

Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers
for all the states, just invert the logic by replacing it by the flag
CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle
driver, remove the former flag from all the drivers and invert the logic with
this flag in the different governor.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-11-12 21:17:27 +01:00
Linus Torvalds
f33a3faa25 Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild changes from Michal Marek:
 - fix for handling dependencies of *-objs targets by Masahiro Yamada
 - lots of cleanups in the kbuild machinery, also by Masahiro
 - fixes for the kconfig build to use an UTF-8 capable ncurses library
   if possible and to build on not-so-standard installs
 - some more minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: Do not reference *-n variables in the Makefile
  kbuild: simplify build, clean, modbuiltin shorthands
  kbuild: arm: Do not define "comma" twice
  kbuild: remove obj-n and lib-n handling
  kbuild: remove unnecessary variable initializaions
  kbuild: remove unnecessary "obj- := dummy.o" trick
  kbuild: handle C=... and M=... after entering into build directory
  kbuild: use $(Q) for sub-make target
  kbuild: fake the "Entering directory ..." message more simply
  kconfig/lxdialog: get ncurses CFLAGS with pkg-config
  kconfig: nconfig: fix multi-byte UTF handling
  kconfig: lxdialog: fix spelling
  kbuild: Make scripts executable
  kbuild: remove redundant clean-files from scripts/kconfig/Makefile
  kbuild: refactor script/kconfig/Makefile
  kbuild: handle the dependency of multi-objs hostprogs appropriately
  kbuild: handle multi-objs dependency appropriately
2014-10-14 09:22:26 +02:00
Masahiro Yamada
ac84eb47cc kbuild: remove unnecessary variable initializaions
Clearing obj-y, obj-m, obj-n, obj- in each Makefile is
a useless habit.

They are non-exported variables; therefore they are always empty
whenever descending into each subdirectory.
(Moreorver, obj-y and obj-m are also set to empty at the beginning
of scripts/Makefile.build)

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Peter Foley <pefoley2@pefoley.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-10-02 13:55:02 +02:00
Ulf Hansson
d40fce7e62 ARM: s3c64xx: Leave disabling of unused PM domains to genpd
Since genpd at late init, will try to disable unused PM domains we
don't need to do it from the machine specific code as well.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-09 00:46:12 +02:00
Tomasz Figa
32726d2d55 ARM: SAMSUNG: Remove legacy clock code
Since S5PV210 now has a complete clock driver using Common Clock
Framework, there is no reason to keep the old code. Remove it together
with the whole legacy Samsung-specific clock framework which no longer
has any users.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2014-07-19 04:24:59 +09:00
Arnd Bergmann
27873b052e ARM: samsung: make SAMSUNG_DMADEV optional
The only remaining driver using the samsung dmadev code is the broken
samsung-ac97 sound driver. However, as found by Russell's autobuilder,
the elaborate dependency chains around it cause problems with
circular dependencies.

This is an attempt to simplify those dependencies by making the
SAMSUNG_DMADEV option user-selectable. I also try to keep the
default settings for all related options unchanged, so we don't
introduce any regressions against earlier testing on linux-next.

In particular, all s3c64xx and s5p* platforms keep selecting the
pl330 and pl08x drivers they require, but the select statement
is now moved towards the main platform option, and it remains
optional by unselecting CONFIG_DMADEVICES.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
2014-06-17 17:09:37 +02:00
Linus Torvalds
2bf73dd61a Merge tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late cleanups from Arnd Bergmann:
 "These could not be part of the first cleanup branch, because they
  either came too late in the cycle, or they have dependencies on other
  branches.  Important changes are:

   - The integrator platform is almost multiplatform capable after some
     reorganization (Linus Walleij)
   - Minor cleanups on Zynq (Michal Simek)
   - Lots of changes for Exynos and other Samsung platforms, including
     further preparations for multiplatform support and the clocks
     bindings are rearranged"

* tag 'tags/cleanup2-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
  devicetree: fix newly added exynos sata bindings
  ARM: EXYNOS: Fix compilation error in cpuidle.c
  ARM: S5P64X0: Explicitly include linux/serial_s3c.h in mach/pm-core.h
  ARM: EXYNOS: Remove hardware.h file
  ARM: SAMSUNG: Remove hardware.h inclusion
  ARM: S3C24XX: Remove invalid code from hardware.h
  dt-bindings: clock: Move exynos-audss-clk.h to dt-bindings/clock
  ARM: dts: Keep some essential LDOs enabled for arndale-octa board
  ARM: dts: Disable MDMA1 node for arndale-octa board
  ARM: S3C64XX: Fix build for implicit serial_s3c.h inclusion
  serial: s3c: Fix build of header without serial_core.h preinclusion
  ARM: EXYNOS: Allow wake-up using GIC interrupts
  ARM: EXYNOS: Stop using legacy Samsung PM code
  ARM: EXYNOS: Remove PM initcalls and useless indirection
  ARM: EXYNOS: Fix abuse of CONFIG_PM
  ARM: SAMSUNG: Move s3c_pm_check_* prototypes to plat/pm-common.h
  ARM: SAMSUNG: Move common save/restore helpers to separate file
  ARM: SAMSUNG: Move Samsung PM debug code into separate file
  ARM: SAMSUNG: Consolidate PM debug functions
  ARM: SAMSUNG: Use debug_ll_addr() to get UART base address
  ...
2014-04-05 15:46:37 -07:00
Linus Torvalds
dfc25e4503 Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
 "These cleanup patches are mainly move stuff around and should all be
  harmless.  They are mainly split out so that other branches can be
  based on top to avoid conflicts.

  Notable changes are:

   - We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
     longer used (Uwe Kleine-König)
   - The Qualcomm MSM platform is split out into legacy mach-msm and
     new-style mach-qcom, to allow easier maintainance of the new
     hardware support without regressions (Kumar Gala)
   - A rework of some of the Kconfig logic to simplify multiplatform
     support (Rob Herring)
   - Samsung Exynos gets closer to supporting multiplatform (Sachin
     Kamat and others)
   - mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
   - at91 gains some common clock framework support (Alexandre Belloni,
     Jean-Jacques Hiblot and other French people)"

* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
  ARM: hisi: select HAVE_ARM_SCU only for SMP
  ARM: efm32: allow uncompress debug output
  ARM: prima2: build reset code standalone
  ARM: at91: add PWM clock
  ARM: at91: move sam9261 SoC to common clk
  ARM: at91: prepare common clk transition for sam9261 SoC
  ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
  ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
  ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
  ARM: at91: dt: Add at91sam9261 dt SoC support
  ARM: at91: switch sam9rl to common clock framework
  ARM: at91/dt: define main clk frequency of at91sam9rlek
  ARM: at91/dt: define at91sam9rl clocks
  ARM: at91: prepare common clk transition for sam9rl SoCs
  ARM: at91: prepare sam9 dt boards transition to common clk
  ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
  ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
  ARM: at91: Add at91sam9rl DT SoC support
  ARM: at91: prepare at91sam9rl DT transition
  ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
  ...
2014-04-05 13:51:19 -07:00
Arnd Bergmann
600a1dfae2 Merge branch 'randconfig-fixes' into next/fixes-non-critical
This is the first batch of a much longer series of bug fixes
found during randconfig testing. This part are all the simple
patches that are applicable for the arm-soc tree, while most
other fixes will likely go through other maintainers.

* randconfig-fixes: (50 commits)
  ARM: tegra: make debug_ll code build for ARMv6
  ARM: sunxi: fix build for THUMB2_KERNEL
  ARM: exynos: add missing include of linux/module.h
  ARM: exynos: fix l2x0 saved regs handling
  ARM: samsung: select CRC32 for SAMSUNG_PM_CHECK
  ARM: samsung: select ATAGS where necessary
  ARM: samsung: fix SAMSUNG_PM_DEBUG Kconfig logic
  ARM: samsung: allow serial driver to be disabled
  ARM: s5pv210: enable IDE support in MACH_TORBRECK
  ARM: s5p64x0: fix building with only one soc type
  ARM: s3c64xx: select power domains only when used
  ARM: s3c64xx: MACH_SMDK6400 needs HSMMC1
  ARM: s3c24xx: osiris dvs needs tps65010
  ARM: s3c24xx: fix gta02 build error
  ARM: s3c24xx: MINI2440 needs I2C for EEPROM_AT24
  ARM: integrator: only select pl01x if TTY is enabled
  ARM: realview: fix sparsemem build
  ARM: footbridge: make screen_info setup conditional
  ARM: footbridge: fix build with PCI disabled
  ARM: footbridge: don't build floppy code for addin mode
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2014-03-22 01:10:19 +01:00
Arnd Bergmann
0443a65398 ARM: samsung: allow serial driver to be disabled
If CONFIG_SERIAL_SAMSUNG is disabled, we run into build errors
with some samsung platforms. This adds a couple of #ifdef
statements to hopefully deal with this more gracefully.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
2014-03-21 18:26:20 +01:00
Arnd Bergmann
b25a1b64e1 ARM: s3c64xx: MACH_SMDK6400 needs HSMMC1
This board uses both MMC controllers, so we need to enable
the Kconfig option to define the platform data.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
2014-03-21 18:26:16 +01:00