From: Sonic Zhang <sonic.zhang@analog.com>
Date: Mon, 25 Feb 2008 03:13:07 +0000 (+0800)
Subject: [Blackfin] arch: Fix bug - Setting peripheral_map only when dma channel is UART2/3.
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=549aaa8425b4a1de23cbddc650dac75b91204af6;p=linux-2.6

[Blackfin] arch: Fix bug - Setting peripheral_map only when dma channel is UART2/3.

Singed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---

diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 5453bc3664..8fd5d22cec 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -105,13 +105,14 @@ int request_dma(unsigned int channel, char *device_id)
 	mutex_unlock(&(dma_ch[channel].dmalock));
 
 #ifdef CONFIG_BF54x
-	if (channel >= CH_UART2_RX && channel <= CH_UART3_TX &&
-		strncmp(device_id, "BFIN_UART", 9) == 0)
-		dma_ch[channel].regs->peripheral_map |=
-			(channel - CH_UART2_RX + 0xC);
-	else
-		dma_ch[channel].regs->peripheral_map |=
-			(channel - CH_UART2_RX + 0x6);
+	if (channel >= CH_UART2_RX && channel <= CH_UART3_TX) {
+		if (strncmp(device_id, "BFIN_UART", 9) == 0)
+			dma_ch[channel].regs->peripheral_map |=
+				(channel - CH_UART2_RX + 0xC);
+		else
+			dma_ch[channel].regs->peripheral_map |=
+				(channel - CH_UART2_RX + 0x6);
+	}
 #endif
 
 	dma_ch[channel].device_id = device_id;