pinctrl: meson: Rename REG_* to MESON_REG_*

Currently compilation test fails on x86 due to name collision. The usual
way to fix that is to move both conflicting parts to their own namespaces.

Rename REG_* to MESON_REG_* as a prerequisite for enabling COMPILE_TEST.

Signed-off-by: Andy Shevchenko <[e-mail]>
Tested-by: Marek Szyprowski <[e-mail]>
Reviewed-by: Neil Armstrong <[e-mail]>

drivers/pinctrl/meson/pinctrl-meson.c

···
 				    unsigned int pin,
 				    bool out)
 {
-	return meson_pinconf_set_gpio_bit(pc, pin, REG_DIR, !out);
+	return meson_pinconf_set_gpio_bit(pc, pin, MESON_REG_DIR, !out);
 }
 
 static int meson_pinconf_get_output(struct meson_pinctrl *pc,
 				    unsigned int pin)
 {
-	int ret = meson_pinconf_get_gpio_bit(pc, pin, REG_DIR);
+	int ret = meson_pinconf_get_gpio_bit(pc, pin, MESON_REG_DIR);
 
 	if (ret < 0)
 		return ret;
···
 				   unsigned int pin,
 				   bool high)
 {
-	return meson_pinconf_set_gpio_bit(pc, pin, REG_OUT, high);
+	return meson_pinconf_set_gpio_bit(pc, pin, MESON_REG_OUT, high);
 }
 
 static int meson_pinconf_get_drive(struct meson_pinctrl *pc,
 				   unsigned int pin)
 {
-	return meson_pinconf_get_gpio_bit(pc, pin, REG_OUT);
+	return meson_pinconf_get_gpio_bit(pc, pin, MESON_REG_OUT);
 }
 
 static int meson_pinconf_set_output_drive(struct meson_pinctrl *pc,
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_PULLEN, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_PULLEN, &reg, &bit);
 	ret = regmap_update_bits(pc->reg_pullen, reg, BIT(bit), 0);
 	if (ret)
 		return ret;
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_PULL, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_PULL, &reg, &bit);
 	if (pull_up)
 		val = BIT(bit);
 
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_PULLEN, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_PULLEN, &reg, &bit);
 	ret = regmap_update_bits(pc->reg_pullen, reg, BIT(bit),	BIT(bit));
 	if (ret)
 		return ret;
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_DS, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_DS, &reg, &bit);
 
 	if (drive_strength_ua <= 500) {
 		ds_val = MESON_PINCONF_DRV_500UA;
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_PULLEN, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_PULLEN, &reg, &bit);
 
 	ret = regmap_read(pc->reg_pullen, reg, &val);
 	if (ret)
···
 	if (!(val & BIT(bit))) {
 		conf = PIN_CONFIG_BIAS_DISABLE;
 	} else {
-		meson_calc_reg_and_bit(bank, pin, REG_PULL, &reg, &bit);
+		meson_calc_reg_and_bit(bank, pin, MESON_REG_PULL, &reg, &bit);
 
 		ret = regmap_read(pc->reg_pull, reg, &val);
 		if (ret)
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, pin, REG_DS, &reg, &bit);
+	meson_calc_reg_and_bit(bank, pin, MESON_REG_DS, &reg, &bit);
 
 	ret = regmap_read(pc->reg_ds, reg, &val);
 	if (ret)
···
 	if (ret)
 		return ret;
 
-	meson_calc_reg_and_bit(bank, gpio, REG_IN, &reg, &bit);
+	meson_calc_reg_and_bit(bank, gpio, MESON_REG_IN, &reg, &bit);
 	regmap_read(pc->reg_gpio, reg, &val);
 
 	return !!(val & BIT(bit));

drivers/pinctrl/meson/pinctrl-meson.h

···
  * enum meson_reg_type - type of registers encoded in @meson_reg_desc
  */
 enum meson_reg_type {
-	REG_PULLEN,
-	REG_PULL,
-	REG_DIR,
-	REG_OUT,
-	REG_IN,
-	REG_DS,
-	NUM_REG,
+	MESON_REG_PULLEN,
+	MESON_REG_PULL,
+	MESON_REG_DIR,
+	MESON_REG_OUT,
+	MESON_REG_IN,
+	MESON_REG_DS,
+	MESON_NUM_REG,
 };
 
 /**
···
 	unsigned int last;
 	int irq_first;
 	int irq_last;
-	struct meson_reg_desc regs[NUM_REG];
+	struct meson_reg_desc regs[MESON_NUM_REG];
 };
 
 struct meson_pinctrl_data {
···
 		.irq_first	= fi,					\
 		.irq_last	= li,					\
 		.regs = {						\
-			[REG_PULLEN]	= { per, peb },			\
-			[REG_PULL]	= { pr, pb },			\
-			[REG_DIR]	= { dr, db },			\
-			[REG_OUT]	= { or, ob },			\
-			[REG_IN]	= { ir, ib },			\
-			[REG_DS]	= { dsr, dsb },			\
+			[MESON_REG_PULLEN]	= { per, peb },		\
+			[MESON_REG_PULL]	= { pr, pb },		\
+			[MESON_REG_DIR]		= { dr, db },		\
+			[MESON_REG_OUT]		= { or, ob },		\
+			[MESON_REG_IN]		= { ir, ib },		\
+			[MESON_REG_DS]		= { dsr, dsb },		\
 		},							\
 	 }