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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-05-23 20:57:31 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-05-23 20:57:31 +0100
commita2ab67fae1ab9226679495a8d260f4e6555efc5f (patch)
treef7de683c9c8ff0869a7e11f1d40802145d05f5b4 /arch/arm/plat-omap/dma.c
parent6d0485a99366d4e0e7e725f14995c74cb7ca4499 (diff)
parent135cad366b4e7d6a79f6369f6cb5b721985aa62f (diff)
Merge branch 'for-rmk-devel' of git://git.pengutronix.de/git/imx/linux-2.6 into devel
Conflicts: arch/arm/Kconfig arch/arm/Makefile
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 21cc0142b97..7fc8c045ad5 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -760,19 +760,12 @@ void omap_free_dma(int lch)
{
unsigned long flags;
- spin_lock_irqsave(&dma_chan_lock, flags);
if (dma_chan[lch].dev_id == -1) {
pr_err("omap_dma: trying to free unallocated DMA channel %d\n",
lch);
- spin_unlock_irqrestore(&dma_chan_lock, flags);
return;
}
- dma_chan[lch].dev_id = -1;
- dma_chan[lch].next_lch = -1;
- dma_chan[lch].callback = NULL;
- spin_unlock_irqrestore(&dma_chan_lock, flags);
-
if (cpu_class_is_omap1()) {
/* Disable all DMA interrupts for the channel. */
dma_write(0, CICR(lch));
@@ -798,6 +791,12 @@ void omap_free_dma(int lch)
dma_write(0, CCR(lch));
omap_clear_dma(lch);
}
+
+ spin_lock_irqsave(&dma_chan_lock, flags);
+ dma_chan[lch].dev_id = -1;
+ dma_chan[lch].next_lch = -1;
+ dma_chan[lch].callback = NULL;
+ spin_unlock_irqrestore(&dma_chan_lock, flags);
}
EXPORT_SYMBOL(omap_free_dma);