diff options
| author | Maxime COQUELIN <maxime.coquelin@st.com> | 2014-02-28 13:52:56 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2014-03-10 17:35:08 +0100 |
| commit | 4fda99627dc037d3b316c3b3250075645cfcbe4d (patch) | |
| tree | 470cf4319541d41a2300f8a2826f83eb1b2e2aee /drivers/i2c | |
| parent | cd5006db1b6b9128d1f5b0f1ad17cbced9d3841c (diff) | |
| download | lwn-4fda99627dc037d3b316c3b3250075645cfcbe4d.tar.gz lwn-4fda99627dc037d3b316c3b3250075645cfcbe4d.zip | |
i2c: st: Fix return in case of arbitration lost
This patch fixes the error returned to the i2c_transfer function
to -EAGAIN in case of arbitratin lost, so that the retry mechanism
can be used.
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-st.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c index 9cf715d69551..872016196ef3 100644 --- a/drivers/i2c/busses/i2c-st.c +++ b/drivers/i2c/busses/i2c-st.c @@ -574,7 +574,7 @@ static irqreturn_t st_i2c_isr_thread(int irq, void *data) writel_relaxed(it, i2c_dev->base + SSC_IEN); st_i2c_set_bits(i2c_dev->base + SSC_I2C, SSC_I2C_STOPG); - c->result = -EIO; + c->result = -EAGAIN; break; default: |