dmaengine: altera: Use IRQ-safe spinlock calls in the error paths as well

The patch edf10919 [dmaengine: altera: fix spinlock usage] missed to
change 2 occurrences of spin_unlock_bh() to spin_unlock_irqrestore().
This patch fixes this by moving to the IRQ-safe call in the error
paths as well.

Fixes: edf10919 (dmaengine: altera: fix spinlock usage)
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Sylvain Lesne <lesne@alse-fr.com>
[add fixes tag and fix typo in log]
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/altera-msgdma.c b/drivers/dma/altera-msgdma.c
index 339186f..55f9c62 100644 (file)
--- a/drivers/dma/altera-msgdma.c
+++ b/drivers/dma/altera-msgdma.c
@@ -344,7 +344,7 @@ msgdma_prep_memcpy(struct dma_chan *dchan, dma_addr_t dma_dst,
 
        spin_lock_irqsave(&mdev->lock, irqflags);
        if (desc_cnt > mdev->desc_free_cnt) {
-               spin_unlock_bh(&mdev->lock);
+               spin_unlock_irqrestore(&mdev->lock, irqflags);
                dev_dbg(mdev->dev, "mdev %p descs are not available\n", mdev);
                return NULL;
        }
@@ -407,7 +407,7 @@ msgdma_prep_slave_sg(struct dma_chan *dchan, struct scatterlist *sgl,
 
        spin_lock_irqsave(&mdev->lock, irqflags);
        if (desc_cnt > mdev->desc_free_cnt) {
-               spin_unlock_bh(&mdev->lock);
+               spin_unlock_irqrestore(&mdev->lock, irqflags);
                dev_dbg(mdev->dev, "mdev %p descs are not available\n", mdev);
                return NULL;
        }