[PATCH 09/12] can: rcar_canfd: Fix R-Car Gen4 CFCC.CFTML field width
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: 2023-01-23 18:57:30
Also in:
linux-can, linux-devicetree, linux-renesas-soc
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
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@glider.be> --- 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))
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2.34.1