i2c: mxs: detect No Slave Ack on SELECT in PIO mode
i2cdetect scanned i2c bus slow because the i2c-mxs driver ignored the NO_SLAVE_ACK bit during busy-waiting loop. Thanks to the patch, the speedup happens. Signed-off-by: NJanusz Uzycki <j.uzycki@elproma.com.pl> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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