From e8809834486be97ee99e5fbf5af718ead804780d Mon Sep 17 00:00:00 2001 From: Mike Westerhof Date: Wed, 19 Nov 2008 17:10:48 +0000 Subject: gta01-uart-fifo-trigger-sooner.patch Set the UART FIFO to trigger earlier on the GTA01 device to minimize UART overruns from the GSM. Signed-off-by: Mike Westerhof --- arch/arm/mach-s3c2410/mach-gta01.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'arch') diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c index 86aa4afb6ff..e22381cb7bc 100644 --- a/arch/arm/mach-s3c2410/mach-gta01.c +++ b/arch/arm/mach-s3c2410/mach-gta01.c @@ -87,6 +87,8 @@ static struct map_desc gta01_iodesc[] __initdata = { #define UCON S3C2410_UCON_DEFAULT #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE +/* UFCON for the gta01 sets the FIFO trigger level at 4, not 8 */ +#define UFCON_GTA01_PORT0 S3C2410_UFCON_FIFOMODE static struct s3c2410_uartcfg gta01_uartcfgs[] = { [0] = { @@ -94,7 +96,7 @@ static struct s3c2410_uartcfg gta01_uartcfgs[] = { .flags = 0, .ucon = UCON, .ulcon = ULCON, - .ufcon = UFCON, + .ufcon = UFCON_GTA01_PORT0, }, [1] = { .hwport = 1, -- cgit v1.2.3