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i2c-nomadik: reset the hw after status check

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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 <[email protected]>
Reviewed-by: Jonas Aberg <[email protected]>
Reviewed-by: Srinidhi Kasagar <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Ben Dooks <[email protected]>
This commit is contained in:
Virupax Sadashivpetimath 2011-05-13 12:30:53 +02:00 • committed by Ben Dooks
commit 0511f643cb
1 changed files with 4 additions and 4 deletions
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8
drivers/i2c/busses/i2c-nomadik.c
View file

@ -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;