Give a clear testcase for people wishing to change this code. It is also
a reminder for me if people ask about it.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
* If next received data is the _LAST_, go to STOP phase. Might be
* overwritten by REP START when setting up a new msg. Not elegant
* but the only stable sequence for REP START I have found so far.
+ * If you want to change this code, make sure sending one transfer with
+ * four messages (WR-RD-WR-RD) works!
*/
if (priv->pos + 1 >= msg->len)
rcar_i2c_write(priv, ICMCR, RCAR_BUS_PHASE_STOP);