Re: [PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-23 Thread Wolfram Sang
On Wed, Apr 22, 2015 at 12:49:02PM +0200, Pascal Huerst wrote:
> 
> 
> On 22.04.2015 12:28, Wolfram Sang wrote:
> > I assume you have a different kernel config where something is enabled
> > which includes the pinctrl-stuff in another include which is included
> > by these drivers. Although, my .config was arm-allyesconfig. Can you
> > send yours?
> 
> Sure. See below.

Thanks. device.h includes pinctrl/devinfo.h which includes
pinctrl/consumer.h iff CONFIG_PINCTRL is enabled. So, seems my
build-system didn't pick allyesconfig but another config with PINCTRL
disabled. Will fix the st driver now, thanks for reporting!



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Re: [PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-22 Thread Pascal Huerst


On 22.04.2015 12:28, Wolfram Sang wrote:
> I assume you have a different kernel config where something is enabled
> which includes the pinctrl-stuff in another include which is included
> by these drivers. Although, my .config was arm-allyesconfig. Can you
> send yours?

Sure. See below.

cat .config | grep -v "#" | sed '/^$/d' | sort
(Or do you prefer it attached?)


CONFIG_ADVISE_SYSCALLS=y
CONFIG_AEABI=y
CONFIG_AIO=y
CONFIG_ALIGNMENT_TRAP=y
CONFIG_ALLOW_DEV_COREDUMP=y
CONFIG_AM335X_CONTROL_USB=y
CONFIG_AM335X_PHY_USB=y
CONFIG_ANON_INODES=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_BANDGAP=y
CONFIG_ARCH_HAS_ELF_RANDOMIZE=y
CONFIG_ARCH_HAS_GCOV_PROFILE_ALL=y
CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y
CONFIG_ARCH_HAS_SG_CHAIN=y
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_HIBERNATION_POSSIBLE=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MULTIPLATFORM=y
CONFIG_ARCH_MULTI_V6_V7=y
CONFIG_ARCH_MULTI_V7=y
CONFIG_ARCH_NR_GPIO=0
CONFIG_ARCH_OMAP2PLUS_TYPICAL=y
CONFIG_ARCH_OMAP2PLUS=y
CONFIG_ARCH_OMAP3=y
CONFIG_ARCH_OMAP=y
CONFIG_ARCH_REQUIRE_GPIOLIB=y
CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y
CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
CONFIG_ARCH_SUPPORTS_UPROBES=y
CONFIG_ARCH_SUSPEND_POSSIBLE=y
CONFIG_ARCH_USE_BUILTIN_BSWAP=y
CONFIG_ARCH_USE_CMPXCHG_LOCKREF=y
CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y
CONFIG_ARCH_VEXPRESS=y
CONFIG_ARCH_WANT_GENERAL_HUGETLB=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
CONFIG_ARM_AMBA=y
CONFIG_ARM_CPU_SUSPEND=y
CONFIG_ARM_DMA_MEM_BUFFERABLE=y
CONFIG_ARM_ERRATA_430973=y
CONFIG_ARM_ERRATA_720789=y
CONFIG_ARM_GIC=y
CONFIG_ARM_GLOBAL_TIMER=y
CONFIG_ARM_HAS_SG_CHAIN=y
CONFIG_ARM_L1_CACHE_SHIFT=6
CONFIG_ARM_L1_CACHE_SHIFT_6=y
CONFIG_ARM_PATCH_PHYS_VIRT=y
CONFIG_ARM_THUMBEE=y
CONFIG_ARM_THUMB=y
CONFIG_ARM_TIMER_SP804=y
CONFIG_ARM_UNWIND=y
CONFIG_ARM_VIRT_EXT=y
CONFIG_ARM=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_AT803X_PHY=y
CONFIG_ATAGS_PROC=y
CONFIG_ATAGS=y
CONFIG_AUTO_ZRELADDR=y
CONFIG_AVERAGE=y
CONFIG_BASE_SMALL=1
CONFIG_BCH=y
CONFIG_BCMA_POSSIBLE=y
CONFIG_BINFMT_ELF=y
CONFIG_BINFMT_MISC=y
CONFIG_BINFMT_SCRIPT=y
CONFIG_BITREVERSE=y
CONFIG_BLK_DEV_BSGLIB=y
CONFIG_BLK_DEV_BSG=y
CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
CONFIG_BLK_DEV_LOOP=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=16384
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_SD=y
CONFIG_BLK_DEV=y
CONFIG_BLOCK=y
CONFIG_BOUNCE=y
CONFIG_BPF=y
CONFIG_BQL=y
CONFIG_BROKEN_ON_SMP=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BUG=y
CONFIG_BUILD_BIN2C=y
CONFIG_BUILDTIME_EXTABLE_SORT=y
CONFIG_CC_STACKPROTECTOR_NONE=y
CONFIG_CFG80211_DEBUGFS=y
CONFIG_CFG80211_DEFAULT_PS=y
CONFIG_CFG80211_WEXT=y
CONFIG_CFG80211=y
CONFIG_CGROUPS=y
CONFIG_CLKDEV_LOOKUP=y
CONFIG_CLK_SP810=y
CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y
CONFIG_CLKSRC_MMIO=y
CONFIG_CLKSRC_OF=y
CONFIG_CLKSRC_VERSATILE=y
CONFIG_CLK_VEXPRESS_OSC=y
CONFIG_CLONE_BACKWARDS=y
CONFIG_CMDLINE=""
CONFIG_COMMON_CLK_SI5351=y
CONFIG_COMMON_CLK_VERSATILE=y
CONFIG_COMMON_CLK=y
CONFIG_COMPAT_BRK=y
CONFIG_CONFIGFS_FS=y
CONFIG_CONNECTOR=y
CONFIG_CONSOLE_TRANSLATIONS=y
CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
CONFIG_COREDUMP=y
CONFIG_CPU_32v6K=y
CONFIG_CPU_32v7=y
CONFIG_CPU_ABRT_EV7=y
CONFIG_CPU_CACHE_V7=y
CONFIG_CPU_CACHE_VIPT=y
CONFIG_CPU_COPY_V6=y
CONFIG_CPU_CP15_MMU=y
CONFIG_CPU_CP15=y
CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_COMMON=y
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=y
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=y
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ=y
CONFIG_CPU_HAS_ASID=y
CONFIG_CPU_IDLE_GOV_LADDER=y
CONFIG_CPU_IDLE_GOV_MENU=y
CONFIG_CPU_IDLE=y
CONFIG_CPU_PABRT_V7=y
CONFIG_CPU_PM=y
CONFIG_CPU_TLB_V7=y
CONFIG_CPU_V7=y
CONFIG_CRAMFS=y
CONFIG_CRC16=y
CONFIG_CRC32_SLICEBY8=y
CONFIG_CRC32=y
CONFIG_CRC7=y
CONFIG_CRC_CCITT=y
CONFIG_CRC_ITU_T=y
CONFIG_CRC_T10DIF=y
CONFIG_CROSS_COMPILE=""
CONFIG_CROSS_MEMORY_ATTACH=y
CONFIG_CRYPTO_AEAD2=y
CONFIG_CRYPTO_AEAD=y
CONFIG_CRYPTO_AES=y
CONFIG_CRYPTO_ALGAPI2=y
CONFIG_CRYPTO_ALGAPI=y
CONFIG_CRYPTO_ARC4=y
CONFIG_CRYPTO_AUTHENC=y
CONFIG_CRYPTO_BLKCIPHER2=y
CONFIG_CRYPTO_BLKCIPHER=y
CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CRC32C=y
CONFIG_CRYPTO_CRCT10DIF=y
CONFIG_CRYPTO_DEFLATE=y
CONFIG_CRYPTO_ECB=y
CONFIG_CRYPTO_HASH2=y
CONFIG_CRYPTO_HASH=y
CONFIG_CRYPTO_HMAC=y
CONFIG_CRYPTO_HW=y
CONFIG_CRYPTO_LZO=y
CONFIG_CRYPTO_MANAGER2=y
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y
CONFIG_CRYPTO_MANAGER=y
CONFIG_CRYPTO_MD5=y
CONFIG_CRYPTO_MICHAEL_MIC=y
CONFIG_CRYPTO_PCOMP2=y
CONFIG_CRYPTO_RNG2=y
CONFIG_CRYPTO_SHA1=y
CONFIG_CRYPTO_WORKQUEUE=y
CONFIG_CRYPTO=y
CONFIG_DCACHE_WORD_ACCESS=y
CONFIG_DEBUG_FS=y
CONFIG_DEBUG_GPIO=y
CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S"
CONFIG_DEBUG_LOCK_ALLOC=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_DEBUG_PREEMPT=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEFAULT_CFQ=y
CONFIG_DEFAULT_CUBIC=y
CONFIG_DEFAULT_HOSTNAME="(none)"
CONFIG_DEFAULT_IOSCHED="cfq"
CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
CONFIG_DEFAULT_SECURITY=""
CONFIG_DEFAULT_SECURITY_DAC=

Re: [PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-22 Thread Wolfram Sang

> You are right, the include is missing. I just reapplied the patch,
> compiled and interestingly enough, I don't get any compile errors. (?)

I assume you have a different kernel config where something is enabled
which includes the pinctrl-stuff in another include which is included
by these drivers. Although, my .config was arm-allyesconfig. Can you
send yours?



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Re: [PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-22 Thread Pascal Huerst
Hey Wolfram,

On 22.04.2015 10:12, Wolfram Sang wrote:
> On Fri, Apr 17, 2015 at 05:07:57PM +0200, pascal.hue...@gmail.com wrote:
>> From: Pascal Huerst 
>>
>> This adds calls to pinctrl subsystem in order to switch pin states
>> on suspend/resume if you provide a "sleep" state in DT.
>>
>> Signed-off-by: Pascal Huerst 
> 
> ? Don't you get a build error? I do. Rightfully, I'd think, there is no
> pinctrl-include.

You are right, the include is missing. I just reapplied the patch,
compiled and interestingly enough, I don't get any compile errors. (?)
Some further checks revealed, that the include is also missing in
drivers/i2c/busses/i2c-st.c - which I used to get the idea on how to use
these calls.

I'm using a buildroot toolchain:
gcc version 4.9.2 (Buildroot 2014.11-00023-g60d7a19-dirty)

Do you have any idea on where these differences are coming from?

In any case, the include belongs there, so I will resend that patch.

regards
pascal
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Re: [PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-22 Thread Wolfram Sang
On Fri, Apr 17, 2015 at 05:07:57PM +0200, pascal.hue...@gmail.com wrote:
> From: Pascal Huerst 
> 
> This adds calls to pinctrl subsystem in order to switch pin states
> on suspend/resume if you provide a "sleep" state in DT.
> 
> Signed-off-by: Pascal Huerst 

? Don't you get a build error? I do. Rightfully, I'd think, there is no
pinctrl-include.



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[PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-17 Thread pascal . huerst
From: Pascal Huerst 

This adds calls to pinctrl subsystem in order to switch pin states
on suspend/resume if you provide a "sleep" state in DT.

Signed-off-by: Pascal Huerst 
---
 drivers/i2c/busses/i2c-omap.c | 4 
 1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 0e89419..6b5d4bd 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1423,6 +1423,8 @@ static int omap_i2c_runtime_suspend(struct device *dev)
omap_i2c_read_reg(_dev, OMAP_I2C_STAT_REG);
}

+   pinctrl_pm_select_sleep_state(dev);
+
return 0;
 }

@@ -1431,6 +1433,8 @@ static int omap_i2c_runtime_resume(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct omap_i2c_dev *_dev = platform_get_drvdata(pdev);

+   pinctrl_pm_select_default_state(dev);
+
if (!_dev->regs)
return 0;

--
1.9.3

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[PATCH] omap: i2c: Add calls for pinctrl state select

2015-04-16 Thread pascal . huerst
From: Pascal Huerst 

This adds calls to pinctrl subsystem in order to switch pin states
on suspend/resume if you provide a "sleep" state in DT.
---
 drivers/i2c/busses/i2c-omap.c | 4 
 1 file changed, 4 insertions(+)

diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 0e89419..6b5d4bd 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1423,6 +1423,8 @@ static int omap_i2c_runtime_suspend(struct device *dev)
omap_i2c_read_reg(_dev, OMAP_I2C_STAT_REG);
}

+   pinctrl_pm_select_sleep_state(dev);
+
return 0;
 }

@@ -1431,6 +1433,8 @@ static int omap_i2c_runtime_resume(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct omap_i2c_dev *_dev = platform_get_drvdata(pdev);

+   pinctrl_pm_select_default_state(dev);
+
if (!_dev->regs)
return 0;

--
1.9.3

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