i2c: exynos5: fix arbitration lost handling

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In case of arbitration lost adequate interrupt sometimes is not signaled.
As a result transfer timeouts and is not retried, as it should. To avoid
such cases code is added to check transaction status in case of every
interrupt.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Tested-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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Andrzej Hajda 2017-02-22 12:04:34 +01:00 • committed by Wolfram Sang

parent fd1c9c8568

commit 7999eecb7e

1 changed files with 26 additions and 1 deletions

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drivers/i2c/busses/i2c-exynos5.c

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