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 d6d5645e5fc1233a7ba950de4a72981c394a2557 ]
When an I2C adapter acts only as a slave, it should not claim to support I2C master capabilities.
Fixes: 9d3ca54b550c ("i2c: at91: added slave mode support") Signed-off-by: Jean Delvare jdelvare@suse.de Cc: Juergen Fitschen me@jue.yt Cc: Ludovic Desroches ludovic.desroches@microchip.com Cc: Codrin Ciubotariu codrin.ciubotariu@microchip.com Cc: Andi Shyti andi.shyti@kernel.org Cc: Nicolas Ferre nicolas.ferre@microchip.com Cc: Alexandre Belloni alexandre.belloni@bootlin.com Cc: Claudiu Beznea claudiu.beznea@tuxon.dev Signed-off-by: Andi Shyti andi.shyti@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/busses/i2c-at91-slave.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-at91-slave.c b/drivers/i2c/busses/i2c-at91-slave.c index d6eeea5166c04..131a67d9d4a68 100644 --- a/drivers/i2c/busses/i2c-at91-slave.c +++ b/drivers/i2c/busses/i2c-at91-slave.c @@ -106,8 +106,7 @@ static int at91_unreg_slave(struct i2c_client *slave)
static u32 at91_twi_func(struct i2c_adapter *adapter) { - return I2C_FUNC_SLAVE | I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL - | I2C_FUNC_SMBUS_READ_BLOCK_DATA; + return I2C_FUNC_SLAVE; }
static const struct i2c_algorithm at91_twi_algorithm_slave = {