Merge branch 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[deliverable/linux.git] / arch / arm / plat-omap / dma.c

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 21cc0142b97ad25293706acbb027fc32aa34d28b..7fc8c045ad5d79de26dda4fbba92f6b9bf132abe 100644 (file)
--- 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);