diff mbox series

[32/50] pinctrl: renesas: r8a77970: Optimize fixed-width reserved fields

Message ID 33dd9bc41df888f132e2e6921d2ff38225b68105.1649865241.git.geert+renesas@glider.be
State Accepted
Commit 37362c77de88cebf0c32dafa1df2e71735f83900
Headers show
Series pinctrl: renesas: Reserved field optimizations | expand

Commit Message

Geert Uytterhoeven April 13, 2022, 5:23 p.m. UTC 
Describe registers with fixed-width register fields and many reserved
fields using the PINMUX_CFG_REG_VAR() macro, as the latter supports a
shorthand not requiring dummy values.

This reduces kernel size by 268 bytes.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/pinctrl/renesas/pfc-r8a77970.c | 122 ++++++-------------------
 1 file changed, 29 insertions(+), 93 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pinctrl/renesas/pfc-r8a77970.c b/drivers/pinctrl/renesas/pfc-r8a77970.c
index 6c8b1e797b0822cb..4a7803eaafaa8abf 100644
--- a/drivers/pinctrl/renesas/pfc-r8a77970.c
+++ b/drivers/pinctrl/renesas/pfc-r8a77970.c
@@ -231,7 +231,6 @@ 
 #define IP8_19_16	FM(CANFD_CLK_A)			FM(CLK_EXTFXR)		FM(PWM4_B)	FM(SPEEDIN_B)	FM(SCIF_CLK_B)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP8_23_20	FM(DIGRF_CLKIN)			FM(DIGRF_CLKEN_IN)	F_(0, 0)	F_(0, 0)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
 #define IP8_27_24	FM(DIGRF_CLKOUT)		FM(DIGRF_CLKEN_OUT)	F_(0, 0)	F_(0, 0)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)
-#define IP8_31_28	F_(0, 0)			F_(0, 0)		F_(0, 0)	F_(0, 0)	F_(0, 0)		F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0) F_(0, 0)	F_(0, 0) F_(0, 0) F_(0, 0)
 
 #define PINMUX_GPSR	\
 \
@@ -290,8 +289,7 @@  FM(IP8_11_8)	IP8_11_8 \
 FM(IP8_15_12)	IP8_15_12 \
 FM(IP8_19_16)	IP8_19_16 \
 FM(IP8_23_20)	IP8_23_20 \
-FM(IP8_27_24)	IP8_27_24 \
-FM(IP8_31_28)	IP8_31_28
+FM(IP8_27_24)	IP8_27_24
 
 /* MOD_SEL0 */		/* 0 */			/* 1 */
 #define MOD_SEL0_11	FM(SEL_I2C3_0)		FM(SEL_I2C3_1)
@@ -2085,17 +2083,11 @@  static const struct sh_pfc_function pinmux_functions[] = {
 static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 #define F_(x, y)	FN_##y
 #define FM(x)		FN_##x
-	{ PINMUX_CFG_REG("GPSR0", 0xe6060100, 32, 1, GROUP(
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
+	{ PINMUX_CFG_REG_VAR("GPSR0", 0xe6060100, 32,
+			     GROUP(-10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+				   1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
+			     GROUP(
+		/* GP0_31_22 RESERVED */
 		GP_0_21_FN,	GPSR0_21,
 		GP_0_20_FN,	GPSR0_20,
 		GP_0_19_FN,	GPSR0_19,
@@ -2153,22 +2145,11 @@  static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		GP_1_1_FN,	GPSR1_1,
 		GP_1_0_FN,	GPSR1_0, ))
 	},
-	{ PINMUX_CFG_REG("GPSR2", 0xe6060108, 32, 1, GROUP(
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
+	{ PINMUX_CFG_REG_VAR("GPSR2", 0xe6060108, 32,
+			     GROUP(-15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+				   1, 1, 1, 1, 1, 1),
+			     GROUP(
+		/* GP2_31_17 RESERVED */
 		GP_2_16_FN,	GPSR2_16,
 		GP_2_15_FN,	GPSR2_15,
 		GP_2_14_FN,	GPSR2_14,
@@ -2187,22 +2168,11 @@  static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		GP_2_1_FN,	GPSR2_1,
 		GP_2_0_FN,	GPSR2_0, ))
 	},
-	{ PINMUX_CFG_REG("GPSR3", 0xe606010c, 32, 1, GROUP(
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
+	{ PINMUX_CFG_REG_VAR("GPSR3", 0xe606010c, 32,
+			     GROUP(-15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+				   1, 1, 1, 1, 1, 1),
+			     GROUP(
+		/* GP3_31_17 RESERVED */
 		GP_3_16_FN,	GPSR3_16,
 		GP_3_15_FN,	GPSR3_15,
 		GP_3_14_FN,	GPSR3_14,
@@ -2221,33 +2191,10 @@  static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		GP_3_1_FN,	GPSR3_1,
 		GP_3_0_FN,	GPSR3_0, ))
 	},
-	{ PINMUX_CFG_REG("GPSR4", 0xe6060110, 32, 1, GROUP(
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
+	{ PINMUX_CFG_REG_VAR("GPSR4", 0xe6060110, 32,
+			     GROUP(-26, 1, 1, 1, 1, 1, 1),
+			     GROUP(
+		/* GP4_31_6 RESERVED */
 		GP_4_5_FN,	GPSR4_5,
 		GP_4_4_FN,	GPSR4_4,
 		GP_4_3_FN,	GPSR4_3,
@@ -2255,24 +2202,11 @@  static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		GP_4_1_FN,	GPSR4_1,
 		GP_4_0_FN,	GPSR4_0, ))
 	},
-	{ PINMUX_CFG_REG("GPSR5", 0xe6060114, 32, 1, GROUP(
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
-		0, 0,
+	{ PINMUX_CFG_REG_VAR("GPSR5", 0xe6060114, 32,
+			     GROUP(-17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+				   1, 1, 1, 1),
+			     GROUP(
+		/* GP5_31_15 RESERVED */
 		GP_5_14_FN,	GPSR5_14,
 		GP_5_13_FN,	GPSR5_13,
 		GP_5_12_FN,	GPSR5_12,
@@ -2374,8 +2308,10 @@  static const struct pinmux_cfg_reg pinmux_config_regs[] = {
 		IP7_7_4
 		IP7_3_0 ))
 	},
-	{ PINMUX_CFG_REG("IPSR8", 0xe6060220, 32, 4, GROUP(
-		IP8_31_28
+	{ PINMUX_CFG_REG_VAR("IPSR8", 0xe6060220, 32,
+			      GROUP(-4, 4, 4, 4, 4, 4, 4, 4),
+			      GROUP(
+		/* IP8_31_28 RESERVED */
 		IP8_27_24
 		IP8_23_20
 		IP8_19_16