Re: [PATCH] ARM: SAMSUNG: Fix compilation error with s3c2410_defconfig

From: Tushar Behera
Date: Tue Aug 07 2012 - 07:00:57 EST


On 08/07/2012 04:03 PM, Kukjin Kim wrote:
> Tushar Behera wrote:
>>
>> Commit 2663e766c56a "ARM Samsung: Move s3c pwm driver to pwm framework"
>> moved Samsung PWM driver to drivers/pwm and the config option to select
>> this driver has changed.
>>
>> This patch fixes following build-error with s3c2410_defconfig.
>> arch/arm/mach-s3c24xx/mach-rx1950.c:430: undefined reference to
>> `pwm_config'
>>
>
> Yes, need to fix...
>
> arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_lcd_power':
> arch/arm/mach-s3c24xx/mach-rx1950.c:430: undefined reference to `pwm_config'
> arch/arm/mach-s3c24xx/mach-rx1950.c:431: undefined reference to
> `pwm_disable'
> arch/arm/mach-s3c24xx/mach-rx1950.c:437: undefined reference to `pwm_config'
> arch/arm/mach-s3c24xx/mach-rx1950.c:438: undefined reference to `pwm_enable'
> arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_backlight_exit':
> arch/arm/mach-s3c24xx/mach-rx1950.c:504: undefined reference to `pwm_free'
> arch/arm/mach-s3c24xx/built-in.o: In function `rx1950_backlight_init':
> arch/arm/mach-s3c24xx/mach-rx1950.c:487: undefined reference to
> `pwm_request'
>

Yes, the patch fixes all of these errors, didn't include them in the
patch comments though as they were all similar.


>> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
>> ---
>> arch/arm/mach-s3c24xx/Kconfig | 4 ++--
>> arch/arm/plat-samsung/Kconfig | 3 ++-
>> 2 files changed, 4 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
>> index e249611..d56b0f7 100644
>> --- a/arch/arm/mach-s3c24xx/Kconfig
>> +++ b/arch/arm/mach-s3c24xx/Kconfig
>> @@ -483,7 +483,7 @@ config MACH_NEO1973_GTA02
>> select I2C
>> select POWER_SUPPLY
>> select MACH_NEO1973
>> - select S3C2410_PWM
>> + select S3C24XX_PWM

The above needs to be picked up as S3C2410_PWM is no longer defined.

>> select S3C_DEV_USB_HOST
>> help
>> Say Y here if you are using the Openmoko GTA02 / Freerunner GSM
>> Phone
>> @@ -493,7 +493,7 @@ config MACH_RX1950
>> select S3C24XX_DCLK
>> select PM_H1940 if PM
>> select I2C
>> - select S3C2410_PWM
>> + select S3C24XX_PWM

Same as above.

>> select S3C_DEV_NAND
>> select S3C2410_IOTIMING if S3C2440_CPUFREQ
>> select S3C2440_XTAL_16934400
>> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
>> index 7aca31c..9c3b90c 100644
>> --- a/arch/arm/plat-samsung/Kconfig
>> +++ b/arch/arm/plat-samsung/Kconfig
>> @@ -403,7 +403,8 @@ config S5P_DEV_USB_EHCI
>>
>> config S3C24XX_PWM
>> bool "PWM device support"
>> - select HAVE_PWM
>> + select PWM
>> + select PWM_SAMSUNG
>> help
>> Support for exporting the PWM timer blocks via the pwm device
>> system
>> --
>> 1.7.4.1
>
> I think, following would be better? Or ...
>

No issues. You can pick whichever you find better.

> ---
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 7aca31c..dcdfb77 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -403,7 +403,7 @@ config S5P_DEV_USB_EHCI
>
> config S3C24XX_PWM
> bool "PWM device support"
> - select HAVE_PWM
> + select PWM
> help
> Support for exporting the PWM timer blocks via the pwm device
> system
> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> index 8fc3808..34c8ec1 100644
> --- a/drivers/pwm/Kconfig
> +++ b/drivers/pwm/Kconfig
> @@ -59,7 +59,7 @@ config PWM_PXA
>
> config PWM_SAMSUNG
> tristate "Samsung pwm support"
> - depends on PLAT_SAMSUNG
> + def_bool PLAT_SAMSUNG
> help
> Generic PWM framework driver for Samsung.
> ---
>
>
>
> Thanks.
>
> Best regards,
> Kgene.
> --
> Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
> SW Solution Development Team, Samsung Electronics Co., Ltd.
>


--
Tushar Behera
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