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https://github.com/archlinuxarm/PKGBUILDs.git
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42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
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From f7702086585465f6ccaa33ae815535e8ff10f025 Mon Sep 17 00:00:00 2001
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From: Zhang Jiejing <jiejing.zhang@freescale.com>
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Date: Fri, 23 Sep 2011 11:05:04 +0800
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Subject: [PATCH] ENGR00157473 MX5X: UART: disable UART2 DMA to make GPS work.
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After enable DMA, GPS will keep report these DMA error:
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UART: DMA_ERROR: sr1:2010 sr2:508b
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UART: DMA_ERROR: sr1:2050 sr2:508a
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UART: DMA_ERROR: sr1:2050 sr2:508b
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UART: DMA_ERROR: sr1:10 sr2:1083
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UART: DMA_ERROR: sr1:50 sr2:1082
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UART: DMA_ERROR: sr1:2010 sr2:508b
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UART: DMA_ERROR: sr1:2050 sr2:508a
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UART: DMA_ERROR: sr1:2010 sr2:508b
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UART: DMA_ERROR: sr1:2010 sr2:508b
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UART: DMA_ERROR: sr1:2010 sr2:508b
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UART: DMA_ERROR: sr1:50 sr2:1083
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Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
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(cherry picked from commit ddaf091fd3f5fae56b3c83f5cf59ee4f189f0a40)
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---
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arch/arm/mach-mx5/serial.h | 2 +-
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1 files changed, 1 insertions(+), 1 deletions(-)
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diff --git a/arch/arm/mach-mx5/serial.h b/arch/arm/mach-mx5/serial.h
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index 6ed55da..b142fdb 100644
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--- a/arch/arm/mach-mx5/serial.h
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+++ b/arch/arm/mach-mx5/serial.h
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@@ -45,7 +45,7 @@
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#define UART1_DMA_ENABLE 0
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/* UART 2 configuration */
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#define UART2_UCR4_CTSTL -1
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-#define UART2_DMA_ENABLE 1
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+#define UART2_DMA_ENABLE 0
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#define UART2_DMA_RXBUFSIZE 512
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#define UART2_UFCR_RXTL 16
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#define UART2_UFCR_TXTL 16
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--
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1.5.4.4
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