i2c: exynos5: remove an unnecessary read of FIFO_STATUS register

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>

diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index f9447a4..257d7d9 100644 (file)
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -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) {