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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-06-17 10:20:56 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-06-21 10:56:07 +0200 |
| commit | e76c3af873025f5a704d56a28882be761e15657b (patch) | |
| tree | c5dbbd3433b0c676e1d86ddd9442e301ffa41b0c | |
| parent | dmaengine: shdma: add chcr_ie_bit (diff) | |
| download | linux-e76c3af873025f5a704d56a28882be761e15657b.tar.xz linux-e76c3af873025f5a704d56a28882be761e15657b.zip | |
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>
| -rw-r--r-- | drivers/dma/shdma.c | 14 | ||||
| -rw-r--r-- | include/linux/sh_dma.h | 2 |
2 files changed, 14 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) diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index 96803aa7b6bd..f25afc61e1c6 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -64,6 +64,8 @@ struct sh_dmae_pdata { u16 dmaor_init; unsigned int chcr_offset; u32 chcr_ie_bit; + + unsigned int dmaor_is_32bit:1; }; /* DMA register */ |