diff options
| author | Zhang Jiejing <jiejing.zhang@freescale.com> | 2011-09-23 11:05:04 +0800 |
|---|---|---|
| committer | Andy Voltz <andy.voltz@timesys.com> | 2012-03-09 11:26:43 -0500 |
| commit | 9603ef736393c967eb0a6e35df341517d1e51c63 (patch) | |
| tree | 9c52576f82c9415f15684d5074c0d2588f37c44b | |
| parent | 691c08adeed64d5153937a0e31aaf4c251924471 (diff) | |
ENGR00157473 MX5X: UART: disable UART2 DMA to make GPS work.
After enable DMA, GPS will keep report these DMA error:
UART: DMA_ERROR: sr1:2010 sr2:508b
UART: DMA_ERROR: sr1:2050 sr2:508a
UART: DMA_ERROR: sr1:2050 sr2:508b
UART: DMA_ERROR: sr1:10 sr2:1083
UART: DMA_ERROR: sr1:50 sr2:1082
UART: DMA_ERROR: sr1:2010 sr2:508b
UART: DMA_ERROR: sr1:2050 sr2:508a
UART: DMA_ERROR: sr1:2010 sr2:508b
UART: DMA_ERROR: sr1:2010 sr2:508b
UART: DMA_ERROR: sr1:2010 sr2:508b
UART: DMA_ERROR: sr1:50 sr2:1083
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
(cherry picked from commit ddaf091fd3f5fae56b3c83f5cf59ee4f189f0a40)
| -rw-r--r-- | arch/arm/mach-mx5/serial.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/serial.h b/arch/arm/mach-mx5/serial.h index 6ed55da14d6b..b142fdbcd8e1 100644 --- a/arch/arm/mach-mx5/serial.h +++ b/arch/arm/mach-mx5/serial.h @@ -45,7 +45,7 @@ #define UART1_DMA_ENABLE 0 /* UART 2 configuration */ #define UART2_UCR4_CTSTL -1 -#define UART2_DMA_ENABLE 1 +#define UART2_DMA_ENABLE 0 #define UART2_DMA_RXBUFSIZE 512 #define UART2_UFCR_RXTL 16 #define UART2_UFCR_TXTL 16 |