From f7702086585465f6ccaa33ae815535e8ff10f025 Mon Sep 17 00:00:00 2001 From: Zhang Jiejing Date: Fri, 23 Sep 2011 11:05:04 +0800 Subject: [PATCH] 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 (cherry picked from commit ddaf091fd3f5fae56b3c83f5cf59ee4f189f0a40) --- 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 6ed55da..b142fdb 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 -- 1.5.4.4