5.15-stable review patch. If anyone has any objections, please let me know.
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From: Jean Delvare jdelvare@suse.de
[ Upstream commit cbf3fb5b29e99e3689d63a88c3cddbffa1b8de99 ]
When an I2C adapter acts only as a slave, it should not claim to support I2C master capabilities.
Fixes: 5b6d721b266a ("i2c: designware: enable SLAVE in platform module") Signed-off-by: Jean Delvare jdelvare@suse.de Cc: Luis Oliveira lolivei@synopsys.com Cc: Jarkko Nikula jarkko.nikula@linux.intel.com Cc: Andy Shevchenko andriy.shevchenko@linux.intel.com Cc: Mika Westerberg mika.westerberg@linux.intel.com Cc: Jan Dabros jsd@semihalf.com Cc: Andi Shyti andi.shyti@kernel.org Reviewed-by: Andy Shevchenko andriy.shevchenko@linux.intel.com Acked-by: Jarkko Nikula jarkko.nikula@linux.intel.com Tested-by: Jarkko Nikula jarkko.nikula@linux.intel.com Signed-off-by: Andi Shyti andi.shyti@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/busses/i2c-designware-slave.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-designware-slave.c b/drivers/i2c/busses/i2c-designware-slave.c index 0d15f4c1e9f7e..5b54a9b9ed1a3 100644 --- a/drivers/i2c/busses/i2c-designware-slave.c +++ b/drivers/i2c/busses/i2c-designware-slave.c @@ -232,7 +232,7 @@ static const struct i2c_algorithm i2c_dw_algo = {
void i2c_dw_configure_slave(struct dw_i2c_dev *dev) { - dev->functionality = I2C_FUNC_SLAVE | DW_IC_DEFAULT_FUNCTIONALITY; + dev->functionality = I2C_FUNC_SLAVE;
dev->slave_cfg = DW_IC_CON_RX_FIFO_FULL_HLD_CTRL | DW_IC_CON_RESTART_EN | DW_IC_CON_STOP_DET_IFADDRESSED;