提交 0511f643 编写于 作者: V Virupax Sadashivpetimath 提交者: Ben Dooks

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: NVirupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Reviewed-by: NJonas Aberg <jonas.aberg@stericsson.com>
Reviewed-by: NSrinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>
上级 b5e890f7
......@@ -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;
......
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