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Subject[PATCH 1/2] i2c: exynos5: remove an unnecessary read of FIFO_STATUS register
Date
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>
---
drivers/i2c/busses/i2c-exynos5.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index 63d2292..0d1a7bc 100644
--- 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) {
--
1.7.9.5


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