---

yaml --- r: 296089 b: refs/heads/master c: 8bc4f55 h: refs/heads/master i: 296087: 4d2a981 v: v3
git-mirror · Feb 7, 2012 · b6131a7 · b6131a7
1 parent 5bf9cd9
commit b6131a7
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Showing 2 changed files with 1 addition and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 76c2f6e513b3df8031dda383838da2a3820adbe3
+refs/heads/master: 8bc4f556bd740789cf6fab36d1776d6d4d8bd375
diff --git a/trunk/arch/arm/mach-tegra/dma.c b/trunk/arch/arm/mach-tegra/dma.c
@@ -52,8 +52,6 @@
 #define CSR_ONCE				(1<<27)
 #define CSR_FLOW				(1<<21)
 #define CSR_REQ_SEL_SHIFT			16
-#define CSR_REQ_SEL_MASK			(0x1F<<CSR_REQ_SEL_SHIFT)
-#define CSR_REQ_SEL_INVALID			(31<<CSR_REQ_SEL_SHIFT)
 #define CSR_WCOUNT_SHIFT			2
 #define CSR_WCOUNT_MASK				0xFFFC
 
@@ -183,18 +181,12 @@ static void tegra_dma_stop(struct tegra_dma_channel *ch)
 
 static int tegra_dma_cancel(struct tegra_dma_channel *ch)
 {
-	u32 csr;
 	unsigned long irq_flags;
 
 	spin_lock_irqsave(&ch->lock, irq_flags);
 	while (!list_empty(&ch->list))
 		list_del(ch->list.next);
 
-	csr = readl(ch->addr + APB_DMA_CHAN_CSR);
-	csr &= ~CSR_REQ_SEL_MASK;
-	csr |= CSR_REQ_SEL_INVALID;
-	writel(csr, ch->addr + APB_DMA_CHAN_CSR);
-
 	tegra_dma_stop(ch);
 
 	spin_unlock_irqrestore(&ch->lock, irq_flags);