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DMAENGINE: ste_dma40: No need reading, masking and setting a set register

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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>
This commit is contained in:
Jonas Aaberg 2010-08-09 12:07:54 +00:00 committed by Dan Williams
parent be8cb7dfd9
commit 1b00348d5d
1 changed files with 1 additions and 4 deletions
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5
drivers/dma/ste_dma40.c
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@ -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];