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

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Tushar Behera wrote:
> 
> 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.
> 
I will add above description when I apply this :)

> 
> >> 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.
> 
Correct, I know. In addition, I'd preferred to use SAMSUNG_PWM so I will
change the name later.

> >>  	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.
> 
Thanks, see below.

> > ---
> > 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.
> > ---
> >
> >

From: Tushar Behera <tushar.behera@xxxxxxxxxx>
Subject: [PATCH] ARM: SAMSUNG: Fix compilation error with s3c2410_defconfig

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/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@xxxxxxxxxx>
[kgene.kim@xxxxxxxxxxx: re-worked as per review comments]
Cc: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
---
 arch/arm/mach-s3c24xx/Kconfig |    4 ++--
 arch/arm/plat-samsung/Kconfig |    2 +-
 drivers/pwm/Kconfig           |    2 +-
 3 files changed, 4 insertions(+), 4 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..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.
 
-- 
1.7.4.1


Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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