5.15-stable review patch. If anyone has any objections, please let me know.
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From: Wolfram Sang wsa+renesas@sang-engineering.com
[ Upstream commit fea6b5ebb71a2830b042e42de7ae255017ac3ce8 ]
We should allow RXDMA only if the reset was really successful, so clear the flag after the reset call.
Fixes: 0e864b552b23 ("i2c: rcar: reset controller is mandatory for Gen3+") Signed-off-by: Wolfram Sang wsa+renesas@sang-engineering.com Signed-off-by: Andi Shyti andi.shyti@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/i2c/busses/i2c-rcar.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index e24ced623c9ad..1b5ea222f4c60 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -835,10 +835,10 @@ static int rcar_i2c_master_xfer(struct i2c_adapter *adap,
/* Gen3+ needs a reset. That also allows RXDMA once */ if (priv->devtype >= I2C_RCAR_GEN3) { - priv->flags &= ~ID_P_NO_RXDMA; ret = rcar_i2c_do_reset(priv); if (ret) goto out; + priv->flags &= ~ID_P_NO_RXDMA; }
rcar_i2c_init(priv);