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Date: Wed, 08 Aug 2012 09:54:13 +0900
From: Kukjin Kim <kgene.kim@...sung.com>
To: 'Tushar Behera' <tushar.behera@...aro.org>,
thierry.reding@...onic-design.de
Cc: linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
s.hauer@...gutronix.de, patches@...aro.org
Subject: RE: [PATCH] ARM: SAMSUNG: Fix compilation error with s3c2410_defconfig
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@...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
>
> 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@...aro.org>
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@...aro.org>
[kgene.kim@...sung.com: re-worked as per review comments]
Cc: Thierry Reding <thierry.reding@...onic-design.de>
Signed-off-by: Kukjin Kim <kgene.kim@...sung.com>
---
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@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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