Marek Szyprowski 2c46871ac4
i2c: s3c24xx: fix transferring more than one message in polling mode ...
[ Upstream commit 990489e1042c6c5d6bccf56deca68f8dbeed8180 ]
To properly handle ACK on the bus when transferring more than one
message in polling mode, move the polling handling loop from
s3c24xx_i2c_message_start() to s3c24xx_i2c_doxfer(). This way
i2c_s3c_irq_nextbyte() is always executed till the end, properly
acknowledging the IRQ bits and no recursive calls to
i2c_s3c_irq_nextbyte() are made.
While touching this, also fix finishing transfers in polling mode by
using common code path and always waiting for the bus to become idle
and disabled.
Fixes: 117053f77am.szyprowski@samsung.com >
Reviewed-by: Andi Shyti <andi.shyti@kernel.org >
Signed-off-by: Wolfram Sang <wsa@kernel.org >
Signed-off-by: Sasha Levin <sashal@kernel.org >
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