soc: renesas: rmobile-sysc: Stop using __raw_*() I/O accessors

There is no reason to keep on using the __raw_{read,write}l() I/O
accessors in Renesas ARM driver code.  Switch to using the plain
{read,write}l() I/O accessors, to have a chance that this works on
big-endian.
Suggested-by: Arnd Bergmann <arnd@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20201119125214.4065925-1-geert+renesas@glider.be

drivers/soc/renesas/rmobile-sysc.c

@@ -57,19 +57,19 @@ static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
 			return ret;
 	}
 
-	if (__raw_readl(rmobile_pd->base + PSTR) & mask) {
+	if (readl(rmobile_pd->base + PSTR) & mask) {
 		unsigned int retry_count;
-		__raw_writel(mask, rmobile_pd->base + SPDCR);
+		writel(mask, rmobile_pd->base + SPDCR);
 
 		for (retry_count = PSTR_RETRIES; retry_count; retry_count--) {
-			if (!(__raw_readl(rmobile_pd->base + SPDCR) & mask))
+			if (!(readl(rmobile_pd->base + SPDCR) & mask))
 				break;
 			cpu_relax();
 		}
 	}
 
 	pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
-		 __raw_readl(rmobile_pd->base + PSTR));
+		 readl(rmobile_pd->base + PSTR));
 
 	return 0;
 }
@@ -80,13 +80,13 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
 	unsigned int retry_count;
 	int ret = 0;
 
-	if (__raw_readl(rmobile_pd->base + PSTR) & mask)
+	if (readl(rmobile_pd->base + PSTR) & mask)
 		return ret;
 
-	__raw_writel(mask, rmobile_pd->base + SWUCR);
+	writel(mask, rmobile_pd->base + SWUCR);
 
 	for (retry_count = 2 * PSTR_RETRIES; retry_count; retry_count--) {
-		if (!(__raw_readl(rmobile_pd->base + SWUCR) & mask))
+		if (!(readl(rmobile_pd->base + SWUCR) & mask))
 			break;
 		if (retry_count > PSTR_RETRIES)
 			udelay(PSTR_DELAY_US);
@@ -98,7 +98,7 @@ static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
 
 	pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
 		 rmobile_pd->genpd.name, mask,
-		 __raw_readl(rmobile_pd->base + PSTR));
+		 readl(rmobile_pd->base + PSTR));
 
 	return ret;
 }