On R-Car Gen4 CAN_FD variants, the Common FIFO TX Message Buffer Link (CFTML) field in the Common FIFO Configuration / Control Register (CCFC) register is one bit wider than on older variants. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> --- drivers/net/can/rcar/rcar_canfd.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c index ee7bbd9d1151201b..376a5d606acc66c2 100644 --- a/drivers/net/can/rcar/rcar_canfd.c +++ b/drivers/net/can/rcar/rcar_canfd.c @@ -233,7 +233,8 @@ /* Common FIFO bits */ /* RSCFDnCFDCFCCk */ -#define RCANFD_CFCC_CFTML(gpriv, x) (((x) & 0xf) << reg_gen4(gpriv, 16, 20)) +#define RCANFD_CFCC_CFTML(gpriv, x) \ + (((x) & reg_gen4(gpriv, 0x1f, 0xf)) << reg_gen4(gpriv, 16, 20)) #define RCANFD_CFCC_CFM(gpriv, x) (((x) & 0x3) << reg_gen4(gpriv, 8, 16)) #define RCANFD_CFCC_CFIM BIT(12) #define RCANFD_CFCC_CFDC(gpriv, x) (((x) & 0x7) << reg_gen4(gpriv, 21, 8)) -- 2.34.1