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i2c: pxa: Return I2C_RETRY when timeout in pio mode

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In case of timeout in pio mode of operation return I2C_RETRY.
This behavior will be same as interrupt mode of operation.

Signed-off-by: Shouming Wang <[email protected]>
[[email protected]: Updated changelog]
Signed-off-by: Vaibhav Hiremath <[email protected]>
Acked-by: Robert Jarzmik <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
This commit is contained in:
Shouming Wang 2015-07-14 13:06:42 +05:30 • committed by Wolfram Sang
commit 8bd75bd303
1 changed files with 3 additions and 1 deletions
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4
drivers/i2c/busses/i2c-pxa.c
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@ -745,8 +745,10 @@ static int i2c_pxa_do_pio_xfer(struct pxa_i2c *i2c,
ret = i2c->msg_idx;
out:
if (timeout == 0)
if (timeout == 0) {
i2c_pxa_scream_blue_murder(i2c, "timeout");
ret = I2C_RETRY;
}
return ret;
}