Messages in this thread Patch in this message | | | From | Naveen Krishna Chatradhi <> | Subject | [PATCH 1/2] i2c: exynos5: remove an unnecessary read of FIFO_STATUS register | Date | Wed, 25 Jun 2014 16:08:16 +0530 |
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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> --- 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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