From d67fc9046c2e487c314ababc9016eec369fc065b Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Fri, 31 May 2024 11:17:48 +0200 Subject: [PATCH] i2c: designware: Fix the functionality flags of the slave-only interface [ 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 Cc: Luis Oliveira Cc: Jarkko Nikula Cc: Andy Shevchenko Cc: Mika Westerberg Cc: Jan Dabros Cc: Andi Shyti Reviewed-by: Andy Shevchenko Acked-by: Jarkko Nikula Tested-by: Jarkko Nikula Signed-off-by: Andi Shyti Signed-off-by: Sasha Levin --- 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 0d15f4c1e..5b54a9b9e 100755 --- 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;