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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-06-16 07:08:18 +0200
committerPaul Mundt <lethal@linux-sh.org>2011-06-16 08:03:43 +0200
commit1d2c0980262e70f5643df34493ffd7e608282c16 (patch)
tree758b59b897bb1c5d2dfdd6a025aef899d86d0908 /drivers/dma/shdma.c
parentdmaengine: shdma: add to_sh_dev define (diff)
downloadlinux-1d2c0980262e70f5643df34493ffd7e608282c16.tar.xz
linux-1d2c0980262e70f5643df34493ffd7e608282c16.zip
dmaengine: shdma: tidyup spin_unlock_bh on sh_chan_xfer_ld_queue
It is not readable that there is any spin_unlock_bh on same function. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/dma/shdma.c')
-rw-r--r--drivers/dma/shdma.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index d2fb16d31bb9..3d22eb82289d 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -766,10 +766,8 @@ static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan)
spin_lock_bh(&sh_chan->desc_lock);
/* DMA work check */
- if (dmae_is_busy(sh_chan)) {
- spin_unlock_bh(&sh_chan->desc_lock);
- return;
- }
+ if (dmae_is_busy(sh_chan))
+ goto sh_chan_xfer_ld_queue_end;
/* Find the first not transferred descriptor */
list_for_each_entry(desc, &sh_chan->ld_queue, node)
@@ -783,6 +781,7 @@ static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan)
break;
}
+sh_chan_xfer_ld_queue_end:
spin_unlock_bh(&sh_chan->desc_lock);
}