From: Geert Uytterhoeven Date: Mon, 23 Jan 2023 18:56:10 +0000 (+0100) Subject: can: rcar_canfd: Fix R-Car Gen4 DCFG.DSJW field width X-Git-Tag: v6.3-rc1~162^2~124^2~3^2~3 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=0424281688f11bfe79b9461420ca3465995178cc;p=tomoyo%2Ftomoyo-test1.git can: rcar_canfd: Fix R-Car Gen4 DCFG.DSJW field width On R-Car Gen4 CAN_FD variants, the Data Bit Rate Resynchronization Jump Width Control (DSJW) field in the Channel n Data Bitrate Configuration Register (DCFG) register is one bit wider than on older variants. Signed-off-by: Geert Uytterhoeven Link: https://lore.kernel.org/all/c4e8bc220bf87e6c7e375f7a2ce51e2aa89ea8a7.1674499048.git.geert+renesas@glider.be Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index aa7fcd4a47d3..ee7bbd9d1151 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -186,7 +186,7 @@ #define RCANFD_CERFL_ERR(x) ((x) & (0x7fff)) /* above bits 14:0 */ /* RSCFDnCFDCmDCFG */ -#define RCANFD_DCFG_DSJW(x) (((x) & 0x7) << 24) +#define RCANFD_DCFG_DSJW(gpriv, x) (((x) & reg_gen4(gpriv, 0xf, 0x7)) << 24) #define RCANFD_DCFG_DTSEG2(gpriv, x) \ (((x) & reg_gen4(gpriv, 0x0f, 0x7)) << reg_gen4(gpriv, 16, 20)) @@ -1343,7 +1343,7 @@ static void rcar_canfd_set_bittiming(struct net_device *dev) tseg2 = dbt->phase_seg2 - 1; cfg = (RCANFD_DCFG_DTSEG1(gpriv, tseg1) | RCANFD_DCFG_DBRP(brp) | - RCANFD_DCFG_DSJW(sjw) | RCANFD_DCFG_DTSEG2(gpriv, tseg2)); + RCANFD_DCFG_DSJW(gpriv, sjw) | RCANFD_DCFG_DTSEG2(gpriv, tseg2)); rcar_canfd_write(priv->base, RCANFD_F_DCFG(gpriv, ch), cfg); netdev_dbg(priv->ndev, "drate: brp %u, sjw %u, tseg1 %u, tseg2 %u\n",