i2c: i2c-bfin-twi: Break dead waiting loop if i2c device misbehaves.

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Some fault i2c device may hold the sda/scl line and cause i2c driver
wait in the BUS busy loop. The I2C framework already retry the
transfer loop before timeout. Return -EAGAIN instead of pull BUSBUSY
in the other loop.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

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Sonic Zhang 2012-06-13 16:22:42 +08:00 • committed by Wolfram Sang

parent a20a64d226

commit a25733d6f6

1 changed files with 4 additions and 4 deletions

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drivers/i2c/busses/i2c-bfin-twi.c

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