[PATCH] ARM: S3C64XX: fix uart clock setup for mini6410/real6410

[Darius Augulis]

Hi Kukjin,

could you please add this to your tree?

thanks,
Darius


On 11/07/2010 09:58 PM, Darius Augulis wrote:
> Don't rewrite clock config in UCON preconfigured by
> bootloader. No need to set 10th bit in UCON because
> [11:10] 2'b00 means source clock is PCLK too.
> If set, console does not work if bootloader
> has preconfigured [11:10] with 2'b00.
> If not set, console works with any bootloader
> config value (2'bxx).
> More information about clock setup in UCON is available
> in "S3C6410X RISC Microprocessor User's Manual,
> Revision 1.20" p. 31-13 (Chapter 31.6.2
> UART CONTROL REGISTER).
>
> Signed-off-by: Darius Augulis<augulis.darius at gmail.com>
> ---
>   arch/arm/mach-s3c64xx/mach-mini6410.c |    2 +-
>   arch/arm/mach-s3c64xx/mach-real6410.c |    2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
> index 3864afa..5823976 100644
> --- a/arch/arm/mach-s3c64xx/mach-mini6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
> @@ -45,7 +45,7 @@
>
>   #include<video/platform_lcd.h>
>
> -#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
> +#define UCON S3C2410_UCON_DEFAULT
>   #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
>   #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
>
> diff --git a/arch/arm/mach-s3c64xx/mach-real6410.c b/arch/arm/mach-s3c64xx/mach-real6410.c
> index f9ef9b5..4957ab0 100644
> --- a/arch/arm/mach-s3c64xx/mach-real6410.c
> +++ b/arch/arm/mach-s3c64xx/mach-real6410.c
> @@ -46,7 +46,7 @@
>
>   #include<video/platform_lcd.h>
>
> -#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
> +#define UCON S3C2410_UCON_DEFAULT
>   #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
>   #define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)