diff options
| author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2010-08-09 12:07:54 +0000 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-09-22 14:53:45 -0700 |
| commit | 1b00348d5d0b3423fe21f499bf30d40a4d1dc594 (patch) | |
| tree | 6fb57150aaa04d582b860178572405492a7c3321 /drivers/dma/ste_dma40.c | |
| parent | be8cb7dfd92420b12dfd6831c2d638f4f46bdfdf (diff) | |
DMAENGINE: ste_dma40: No need reading, masking and setting a set register
Removes an unnecessary register read and a few lines of code.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ste_dma40.c')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 8aff8659414..538c35d05a5 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -915,7 +915,6 @@ static irqreturn_t d40_handle_interrupt(int irq, void *data) int i; u32 regs[ARRAY_SIZE(il)]; - u32 tmp; u32 idx; u32 row; long chan = -1; @@ -942,9 +941,7 @@ static irqreturn_t d40_handle_interrupt(int irq, void *data) idx = chan & (BITS_PER_LONG - 1); /* ACK interrupt */ - tmp = readl(base->virtbase + il[row].clr); - tmp |= 1 << idx; - writel(tmp, base->virtbase + il[row].clr); + writel(1 << idx, base->virtbase + il[row].clr); if (il[row].offset == D40_PHY_CHAN) d40c = base->lookup_phy_chans[idx]; |