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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2011-05-31 13:25:16 +0400 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-02 09:40:43 +0400 |
| commit | a1b2cc50679c1d2eed44e2885f6178ce907498b7 (patch) | |
| tree | e30d672493dc63325dc9d92a05ed70e6ec995957 /drivers | |
| parent | 1222de7c415cfa70f441f836588fd79a3334d4fe (diff) | |
| download | linux-a1b2cc50679c1d2eed44e2885f6178ce907498b7.tar.xz | |
dmaengine: shdma: fix a regression: initialise DMA channels for memcpy
A recent patch has introduced a regression, where repeating a memcpy
DMA test with shdma module unloading between them skips the DMA channel
configuration. Fix this regression by always configuring the channel
during its allocation.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/shdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 727e76ff13e1..2a638f9f09a2 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -343,7 +343,7 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan) dmae_set_dmars(sh_chan, cfg->mid_rid); dmae_set_chcr(sh_chan, cfg->chcr); - } else if ((sh_dmae_readl(sh_chan, CHCR) & 0xf00) != 0x400) { + } else { dmae_init(sh_chan); } |