diff mbox series

[net-next,09/47] can: rcar_canfd: Abstract out DCFG address differences

Message ID 20230206131620.2758724-10-mkl@pengutronix.de (mailing list archive)
State Accepted
Commit bbf6681d1f0f74a737e0804ab586ac016b2f4ccb
Delegated to: Netdev Maintainers
Headers show
Series [net-next,01/47] can: gw: give feedback on missing CGW_FLAGS_CAN_IIF_TX_OK flag | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next, async
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Pull request is its own cover letter
netdev/patch_count warning Series longer than 15 patches
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 5 maintainers not CCed: pabeni@redhat.com edumazet@google.com uli+renesas@fpond.eu wg@grandegger.com biju.das.jz@bp.renesas.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 87 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Marc Kleine-Budde Feb. 6, 2023, 1:15 p.m. UTC 
From: Geert Uytterhoeven <geert+renesas@glider.be>

Abstract the different addresses for the Channel n Data Bitrate
Configuration Register (DCFG) in the definition of the register macro,
like is already done for other register definitions, to simplify code
accessing this register.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/all/13e02d710dac3ddef73aa4be2b995766db9b6b4d.1674499048.git.geert+renesas@glider.be
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/net/can/rcar/rcar_canfd.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index 77b21c82faf3..6bf80cefc307 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -429,7 +429,6 @@ 
 #define RCANFD_C_RPGACC(r)		(0x1900 + (0x04 * (r)))
 
 /* R-Car V3U Classical and CAN FD mode specific register map */
-#define RCANFD_V3U_DCFG(m)		(0x1400 + (0x20 * (m)))
 #define RCANFD_V3U_FDCFG(m)		(0x1404 + (0x20 * (m)))
 
 #define RCANFD_V3U_GAFL_OFFSET		(0x1800)
@@ -437,7 +436,7 @@ 
 /* CAN FD mode specific register map */
 
 /* RSCFDnCFDCmXXX -> RCANFD_F_XXX(m) */
-#define RCANFD_F_DCFG(m)		(0x0500 + (0x20 * (m)))
+#define RCANFD_F_DCFG(gpriv, m)		(reg_v3u(gpriv, 0x1400, 0x0500) + (0x20 * (m)))
 #define RCANFD_F_CFDCFG(m)		(0x0504 + (0x20 * (m)))
 #define RCANFD_F_CFDCTR(m)		(0x0508 + (0x20 * (m)))
 #define RCANFD_F_CFDSTS(m)		(0x050c + (0x20 * (m)))
@@ -1346,10 +1345,7 @@  static void rcar_canfd_set_bittiming(struct net_device *dev)
 		cfg = (RCANFD_DCFG_DTSEG1(gpriv, tseg1) | RCANFD_DCFG_DBRP(brp) |
 		       RCANFD_DCFG_DSJW(sjw) | RCANFD_DCFG_DTSEG2(gpriv, tseg2));
 
-		if (is_v3u(gpriv))
-			rcar_canfd_write(priv->base, RCANFD_V3U_DCFG(ch), cfg);
-		else
-			rcar_canfd_write(priv->base, RCANFD_F_DCFG(ch), cfg);
+		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",
 			   brp, sjw, tseg1, tseg2);
 	} else {