From 0511f643cbe6990daf4b53b1268b5c2ea28d1733 Mon Sep 17 00:00:00 2001 From: Virupax Sadashivpetimath Date: Fri, 13 May 2011 12:30:53 +0200 Subject: [PATCH] i2c-nomadik: reset the hw after status check In case of I2C timeout, reset the HW only after the HW status is read, otherwise the staus will be lost. Signed-off-by: Virupax Sadashivpetimath Reviewed-by: Jonas Aberg Reviewed-by: Srinidhi Kasagar Signed-off-by: Linus Walleij Signed-off-by: Ben Dooks --- drivers/i2c/busses/i2c-nomadik.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index b2de1a56dc8..fa7b10639ce 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -428,10 +428,9 @@ static int read_i2c(struct nmk_i2c_dev *dev) } if (timeout == 0) { - /* controller has timedout, re-init the h/w */ + /* Controller timed out */ dev_err(&dev->pdev->dev, "read from slave 0x%x timed out\n", dev->cli.slave_adr); - (void) init_hw(dev); status = -ETIMEDOUT; } return status; @@ -516,10 +515,9 @@ static int write_i2c(struct nmk_i2c_dev *dev) } if (timeout == 0) { - /* controller has timedout, re-init the h/w */ + /* Controller timed out */ dev_err(&dev->pdev->dev, "write to slave 0x%x timed out\n", dev->cli.slave_adr); - (void) init_hw(dev); status = -ETIMEDOUT; } @@ -638,6 +636,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, abort_causes[cause]); } + (void) init_hw(dev); + status = status ? status : dev->result; break; -- 2.20.1