NFC: st21nfcb: Retry i2c_master_send if it returns a negative value

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i2c_master_send may return many negative values different than
-EREMOTEIO.
In case an i2c transaction is NACK'ed, on raspberry pi B+
kernel 3.18, -EIO is generated instead.

Cc: stable@vger.kernel.org
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

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Christophe Ricard 2015-03-31 08:02:15 +02:00 • committed by Samuel Ortiz

parent 2ca2100279

commit d4a41d10b2

1 changed files with 2 additions and 2 deletions

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drivers/nfc/st21nfcb/i2c.c

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