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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>
This commit is contained in:
Maxime COQUELIN 2014-02-28 13:52:56 +01:00 committed by Wolfram Sang
parent cd5006db1b
commit 4fda99627d
1 changed files with 1 additions and 1 deletions
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2
drivers/i2c/busses/i2c-st.c
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@ -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: