i2c-bfin-twi: add debug output for error status
Add some debug() code to decode the error register. Signed-off-by: NMichael Hennerich <michael.hennerich@analog.com> Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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