diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-06-17 08:20:56 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-21 17:56:07 +0900 |
| commit | e76c3af873025f5a704d56a28882be761e15657b (patch) | |
| tree | c5dbbd3433b0c676e1d86ddd9442e301ffa41b0c /drivers/dma/shdma.c | |
| parent | 67c6269e5c998b53c2c08ce2befbbe20a7b6f57f (diff) | |
| download | linux-e76c3af873025f5a704d56a28882be761e15657b.tar.bz2 | |
dmaengine: shdma: add dmaor_is_32bit flag
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.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c index 9412de3ef899..6a21cd843ab7 100644 --- a/drivers/dma/shdma.c +++ b/drivers/dma/shdma.c @@ -70,12 +70,22 @@ static u32 sh_dmae_readl(struct sh_dmae_chan *sh_dc, u32 reg) static u16 dmaor_read(struct sh_dmae_device *shdev) { - return __raw_readw(shdev->chan_reg + DMAOR / sizeof(u32)); + u32 __iomem *addr = shdev->chan_reg + DMAOR / sizeof(u32); + + if (shdev->pdata->dmaor_is_32bit) + return __raw_readl(addr); + else + return __raw_readw(addr); } static void dmaor_write(struct sh_dmae_device *shdev, u16 data) { - __raw_writew(data, shdev->chan_reg + DMAOR / sizeof(u32)); + u32 __iomem *addr = shdev->chan_reg + DMAOR / sizeof(u32); + + if (shdev->pdata->dmaor_is_32bit) + __raw_writel(data, addr); + else + __raw_writew(data, addr); } static void chcr_write(struct sh_dmae_chan *sh_dc, u32 data) |