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path: root/drivers/dma/shdma.c
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Diffstat (limited to 'drivers/dma/shdma.c')
-rw-r--r--drivers/dma/shdma.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 40900c1cee9a..9412de3ef899 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -181,17 +181,19 @@ static void dmae_set_reg(struct sh_dmae_chan *sh_chan, struct sh_dmae_regs *hw)
static void dmae_start(struct sh_dmae_chan *sh_chan)
{
+ struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
u32 chcr = chcr_read(sh_chan);
- chcr |= CHCR_DE | CHCR_IE;
+ chcr |= CHCR_DE | shdev->chcr_ie_bit;
chcr_write(sh_chan, chcr & ~CHCR_TE);
}
static void dmae_halt(struct sh_dmae_chan *sh_chan)
{
+ struct sh_dmae_device *shdev = to_sh_dev(sh_chan);
u32 chcr = chcr_read(sh_chan);
- chcr &= ~(CHCR_DE | CHCR_TE | CHCR_IE);
+ chcr &= ~(CHCR_DE | CHCR_TE | shdev->chcr_ie_bit);
chcr_write(sh_chan, chcr);
}
@@ -1157,6 +1159,11 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
else
shdev->chcr_offset = CHCR;
+ if (pdata->chcr_ie_bit)
+ shdev->chcr_ie_bit = pdata->chcr_ie_bit;
+ else
+ shdev->chcr_ie_bit = CHCR_IE;
+
platform_set_drvdata(pdev, shdev);
pm_runtime_enable(&pdev->dev);