mv_xor: fix race in tasklet function

[mv-sheeva.git] / drivers / dma / mv_xor.c

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 86c5ae9fde34d3cf0f3f372a33739ccb4286fdf3..a25f5f61e0e00becc22b5b5b4d8ce1e4ce6e31b8 100644 (file)
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -162,7 +162,7 @@ static int mv_is_err_intr(u32 intr_cause)
 
 static void mv_xor_device_clear_eoc_cause(struct mv_xor_chan *chan)
 {
-       u32 val = (1 << (1 + (chan->idx * 16)));
+       u32 val = ~(1 << (chan->idx * 16));
        dev_dbg(chan->device->common.dev, "%s, val 0x%08x\n", __func__, val);
        __raw_writel(val, XOR_INTR_CAUSE(chan));
 }
@@ -449,7 +449,7 @@ mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan)
 static void mv_xor_tasklet(unsigned long data)
 {
        struct mv_xor_chan *chan = (struct mv_xor_chan *) data;
-       __mv_xor_slot_cleanup(chan);
+       mv_xor_slot_cleanup(chan);
 }
 
 static struct mv_xor_desc_slot *