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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 12:57:17 +0200 |
| commit | 4a918985a35f616af634abb994be25cb528907d2 (patch) | |
| tree | d0ac210f8f26b708aa4d8ed6e735410663751104 /drivers | |
| parent | 1d2ef21f02baff0c109ad78b9e835fb4acb14533 (diff) | |
| download | linux-4a918985a35f616af634abb994be25cb528907d2.tar.gz linux-4a918985a35f616af634abb994be25cb528907d2.tar.bz2 linux-4a918985a35f616af634abb994be25cb528907d2.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')
| -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 aa3df0d05b85..24dd15c91722 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -732,9 +732,6 @@ 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, @@ -754,6 +751,10 @@ 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; } |