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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1267-gta01-uart-fifo-trigger-sooner.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1267-gta01-uart-fifo-trigger-sooner.patch.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1267-gta01-uart-fifo-trigger-sooner.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1267-gta01-uart-fifo-trigger-sooner.patch.patch
new file mode 100644
index 0000000000..115e2b8f6e
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1267-gta01-uart-fifo-trigger-sooner.patch.patch
@@ -0,0 +1,38 @@
+From 2d68fa06d5cfcf38ce9bd551b478dab408141cce Mon Sep 17 00:00:00 2001
+From: Mike Westerhof <mwester@dls.net>
+Date: Fri, 8 Aug 2008 13:25:02 +0100
+Subject: [PATCH] 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 <mwester@dls.net>
+---
+ arch/arm/mach-s3c2410/mach-gta01.c | 4 +++-
+ 1 files changed, 3 insertions(+), 1 deletions(-)
+
+diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
+index 9e42df0..4927cd4 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,
+--
+1.5.6.5
+