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Commit 1b00348d authored by Jonas Aaberg's avatar Jonas Aaberg Committed by Dan Williams
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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: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent be8cb7df

drivers/dma/ste_dma40.c

+1 −4
Original line number Diff line number Diff line
@@ -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];