This is a note to let you know that I've just added the patch titled
i2c: rcar: clear NO_RXDMA flag after resetting
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i2c-rcar-clear-no_rxdma-flag-after-resetting.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 0bf03308440dd56cda1c37ffd23bf9aceebb16ee
Author: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Date: Wed Jul 10 13:03:00 2024 +0200
i2c: rcar: clear NO_RXDMA flag after resetting
[ 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@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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);
