ARM: at91: setup: Switch to pr_fmt

Most of the printed messages are using the "AT91:" prefix in the setup.c file,
but not all of them. Moreover, those who add it hardcode it directly in the
message, while the pr_fmt macro makes it easier for us to support such a case.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/mach-at91/setup.c

@@ -5,6 +5,8 @@
  * Under GPLv2
  */
 
+#define pr_fmt(fmt)	"AT91: " fmt
+
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/mm.h>
@@ -37,7 +39,7 @@ void __init at91rm9200_set_type(int type)
 	else
 		at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
 
-	pr_info("AT91: filled in soc subtype: %s\n",
+	pr_info("filled in soc subtype: %s\n",
 		at91_get_soc_subtype(&at91_soc_initdata));
 }
 
@@ -67,7 +69,7 @@ void __init at91_ioremap_ramc(int id, u32 addr, u32 size)
 	}
 	at91_ramc_base[id] = ioremap(addr, size);
 	if (!at91_ramc_base[id])
-		panic("Impossible to ioremap ramc.%d 0x%x\n", id, addr);
+		panic(pr_fmt("Impossible to ioremap ramc.%d 0x%x\n"), id, addr);
 }
 
 static struct map_desc sram_desc[2] __initdata;
@@ -84,7 +86,7 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
 	desc->length = length;
 	desc->type = MT_MEMORY_RWX_NONCACHED;
 
-	pr_info("AT91: sram at 0x%lx of 0x%x mapped at 0x%lx\n",
+	pr_info("sram at 0x%lx of 0x%x mapped at 0x%lx\n",
 		base, length, desc->virtual);
 
 	iotable_init(desc, 1);
@@ -303,16 +305,16 @@ void __init at91_map_io(void)
 		soc_detect(AT91_BASE_DBGU1);
 
 	if (!at91_soc_is_detected())
-		panic("AT91: Impossible to detect the SOC type");
+		panic(pr_fmt("Impossible to detect the SOC type"));
 
-	pr_info("AT91: Detected soc type: %s\n",
+	pr_info("Detected soc type: %s\n",
 		at91_get_soc_type(&at91_soc_initdata));
 	if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
-		pr_info("AT91: Detected soc subtype: %s\n",
+		pr_info("Detected soc subtype: %s\n",
 			at91_get_soc_subtype(&at91_soc_initdata));
 
 	if (!at91_soc_is_enabled())
-		panic("AT91: Soc not enabled");
+		panic(pr_fmt("Soc not enabled"));
 
 	if (at91_boot_soc.map_io)
 		at91_boot_soc.map_io();
@@ -329,7 +331,7 @@ void __init at91_ioremap_shdwc(u32 base_addr)
 {
 	at91_shdwc_base = ioremap(base_addr, 16);
 	if (!at91_shdwc_base)
-		panic("Impossible to ioremap at91_shdwc_base\n");
+		panic(pr_fmt("Impossible to ioremap at91_shdwc_base\n"));
 	pm_power_off = at91sam9_poweroff;
 }
 
@@ -339,7 +341,7 @@ void __init at91_ioremap_rstc(u32 base_addr)
 {
 	at91_rstc_base = ioremap(base_addr, 16);
 	if (!at91_rstc_base)
-		panic("Impossible to ioremap at91_rstc_base\n");
+		panic(pr_fmt("Impossible to ioremap at91_rstc_base\n"));
 }
 
 void __iomem *at91_matrix_base;
@@ -349,7 +351,7 @@ void __init at91_ioremap_matrix(u32 base_addr)
 {
 	at91_matrix_base = ioremap(base_addr, 512);
 	if (!at91_matrix_base)
-		panic("Impossible to ioremap at91_matrix_base\n");
+		panic(pr_fmt("Impossible to ioremap at91_matrix_base\n"));
 }
 
 #if defined(CONFIG_OF) && !defined(CONFIG_ARCH_AT91X40)
@@ -366,15 +368,15 @@ static void at91_dt_rstc(void)
 
 	np = of_find_matching_node(NULL, rstc_ids);
 	if (!np)
-		panic("unable to find compatible rstc node in dtb\n");
+		panic(pr_fmt("unable to find compatible rstc node in dtb\n"));
 
 	at91_rstc_base = of_iomap(np, 0);
 	if (!at91_rstc_base)
-		panic("unable to map rstc cpu registers\n");
+		panic(pr_fmt("unable to map rstc cpu registers\n"));
 
 	of_id = of_match_node(rstc_ids, np);
 	if (!of_id)
-		panic("AT91: rtsc no restart function available\n");
+		panic(pr_fmt("rtsc no restart function available\n"));
 
 	arm_pm_restart = of_id->data;
 
@@ -396,17 +398,17 @@ static void at91_dt_ramc(void)
 
 	np = of_find_matching_node(NULL, ramc_ids);
 	if (!np)
-		panic("unable to find compatible ram controller node in dtb\n");
+		panic(pr_fmt("unable to find compatible ram controller node in dtb\n"));
 
 	at91_ramc_base[0] = of_iomap(np, 0);
 	if (!at91_ramc_base[0])
-		panic("unable to map ramc[0] cpu registers\n");
+		panic(pr_fmt("unable to map ramc[0] cpu registers\n"));
 	/* the controller may have 2 banks */
 	at91_ramc_base[1] = of_iomap(np, 1);
 
 	of_id = of_match_node(ramc_ids, np);
 	if (!of_id)
-		pr_warn("AT91: ramc no standby function available\n");
+		pr_warn("ramc no standby function available\n");
 	else
 		at91_pm_set_standby(of_id->data);
 
@@ -452,23 +454,23 @@ static void at91_dt_shdwc(void)
 
 	np = of_find_matching_node(NULL, shdwc_ids);
 	if (!np) {
-		pr_debug("AT91: unable to find compatible shutdown (shdwc) controller node in dtb\n");
+		pr_debug("unable to find compatible shutdown (shdwc) controller node in dtb\n");
 		return;
 	}
 
 	at91_shdwc_base = of_iomap(np, 0);
 	if (!at91_shdwc_base)
-		panic("AT91: unable to map shdwc cpu registers\n");
+		panic(pr_fmt("unable to map shdwc cpu registers\n"));
 
 	wakeup_mode = at91_dtget_shdwc_wakeup_mode(np);
 	if (wakeup_mode < 0) {
-		pr_warn("AT91: shdwc unknown wakeup mode\n");
+		pr_warn("shdwc unknown wakeup mode\n");
 		goto end;
 	}
 
 	if (!of_property_read_u32(np, "atmel,wakeup-counter", &reg)) {
 		if (reg > AT91_SHDW_CPTWK0_MAX) {
-			pr_warn("AT91: shdwc wakeup counter 0x%x > 0x%x reduce it to 0x%x\n",
+			pr_warn("shdwc wakeup counter 0x%x > 0x%x reduce it to 0x%x\n",
 				reg, AT91_SHDW_CPTWK0_MAX, AT91_SHDW_CPTWK0_MAX);
 			reg = AT91_SHDW_CPTWK0_MAX;
 		}