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i2c: exynos5: remove an unnecessary read of FIFO_STATUS register

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This patch removes an extra read of FIFO_STATUS register in the interrrupt
service routine. Which is read again before the actual use.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Naveen Krishna Ch 2014-06-26 10:44:57 +05:30 committed by Wolfram Sang
parent 57186fe3db
commit 9f89df3ed6
1 changed files with 0 additions and 1 deletions
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drivers/i2c/busses/i2c-exynos5.c
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@ -405,7 +405,6 @@ static irqreturn_t exynos5_i2c_irq(int irqno, void *dev_id)
int_status = readl(i2c->regs + HSI2C_INT_STATUS);
writel(int_status, i2c->regs + HSI2C_INT_STATUS);
fifo_status = readl(i2c->regs + HSI2C_FIFO_STATUS);
/* handle interrupt related to the transfer status */
if (int_status & HSI2C_INT_I2C) {