Messages in this thread Patch in this message | | | From | Vaibhav Hiremath <> | Subject | [PATCH-v4 03/11] i2c: pxa: Return I2C_RETRY when timeout in pio mode | Date | Tue, 14 Jul 2015 13:06:42 +0530 |
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From: Shouming Wang <wangshm@marvell.com>
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 <wangshm@marvell.com> [vaibhav.hiremath@linaro.org: Updated changelog] Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> --- drivers/i2c/busses/i2c-pxa.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 023e59f..632008f 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -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; } -- 1.9.1
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