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| author | Duy Nguyen <duy.nguyen.rh@renesas.com> | 2025-09-18 07:03:45 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-12 13:01:03 +0200 |
| commit | a97ecc1972aa5e500bde8898351425d27f1cdf69 (patch) | |
| tree | 22548f51e7873d92a43d8758adea0cf8cc44c34c /drivers/net | |
| parent | fd00cf38fd437c979f0e5905e3ebdfc3f55a4b96 (diff) | |
| download | linux-a97ecc1972aa5e500bde8898351425d27f1cdf69.tar.gz linux-a97ecc1972aa5e500bde8898351425d27f1cdf69.tar.bz2 linux-a97ecc1972aa5e500bde8898351425d27f1cdf69.zip | |
can: rcar_canfd: Fix controller mode setting
[ Upstream commit 5cff263606a10102a0ea19ff579eaa18fd5577ad ]
Driver configures register to choose controller mode before
setting all channels to reset mode leading to failure.
The patch corrects operation of mode setting.
Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Tranh Ha <tranh.ha.xb@renesas.com>
Link: https://patch.msgid.link/TYWPR01MB87434739F83E27EDCD23DF44B416A@TYWPR01MB8743.jpnprd01.prod.outlook.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/rcar/rcar_canfd.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index 7f10213738e5..e2ae8d6a9de6 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -870,9 +870,6 @@ static int rcar_canfd_reset_controller(struct rcar_canfd_global *gpriv) /* Reset Global error flags */ rcar_canfd_write(gpriv->base, RCANFD_GERFL, 0x0); - /* Set the controller into appropriate mode */ - rcar_canfd_set_mode(gpriv); - /* Transition all Channels to reset mode */ for_each_set_bit(ch, &gpriv->channels_mask, gpriv->info->max_channels) { rcar_canfd_clear_bit(gpriv->base, @@ -892,6 +889,10 @@ static int rcar_canfd_reset_controller(struct rcar_canfd_global *gpriv) return err; } } + + /* Set the controller into appropriate mode */ + rcar_canfd_set_mode(gpriv); + return 0; } |