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i2c: rcar: clear NO_RXDMA flag after resetting

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BugLink: https://bugs.launchpad.net/bugs/2078289

[ Upstream commit fea6b5ebb71a2830b042e42de7ae255017ac3ce8 ]

We should allow RXDMA only if the reset was really successful, so clear
the flag after the reset call.

Fixes: 0e864b552b ("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>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Wolfram Sang
2024-07-10 13:03:00 +02:00
committed by Stefan Bader
parent a747c48037
commit 31df16100e
1 changed files with 1 additions and 1 deletions
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drivers/i2c/busses/i2c-rcar.c
+1 -1
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@@ -915,10 +915,10 @@ 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);