linux-kernel - RE: [PATCH] ARM: SAMSUNG: Fix compilation error with s3c2410

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Message-id: <098f01cd7488$0d66d630$28348290$%kim@samsung.com>
Date:	Tue, 07 Aug 2012 19:33:15 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Tushar Behera' <tushar.behera@...aro.org>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	s.hauer@...gutronix.de, patches@...aro.org
Subject: RE: [PATCH] ARM: SAMSUNG: Fix compilation error with s3c2410_defconfig

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'

> Signed-off-by: Tushar Behera <tushar.behera@...aro.org>
> ---
>  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
>  	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
>  	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 ...

---
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@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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