ARM: uniphier: use pr_() instead of printf() where appropriate

Replace printf() with pr_() to specify proper loglevel.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/mach-uniphier/arm32/psci.c

@@ -7,8 +7,10 @@
 
 #include <common.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
+#include <linux/printk.h>
 #include <linux/psci.h>
 #include <linux/sizes.h>
 #include <asm/processor.h>
@@ -91,7 +93,7 @@ static void uniphier_smp_kick_all_cpus(void)
 	}
 
 	if (!timeout)
-		printf("warning: some of secondary CPUs may not boot\n");
+		pr_warn("warning: some of secondary CPUs may not boot\n");
 
 	uniphier_cache_disable();
 }

arch/arm/mach-uniphier/board_late_init.c

@@ -10,7 +10,9 @@
 #include <spl.h>
 #include <libfdt.h>
 #include <nand.h>
+#include <stdio.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 #include <../drivers/mtd/nand/denali.h>
 
 #include "init.h"
@@ -92,7 +94,7 @@ int board_late_init(void)
 	printf("\n");
 
 	if (uniphier_set_fdt_file())
-		printf("fdt_file environment was not set correctly\n");
+		pr_warn("fdt_file environment was not set correctly\n");
 
 	return 0;
 }

arch/arm/mach-uniphier/boot-device/boot-device.c

@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <spl.h>
+#include <stdio.h>
 #include <linux/log2.h>
 
 #include "../init.h"

arch/arm/mach-uniphier/cpu-info.c

@@ -6,9 +6,10 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
+#include <stdio.h>
 #include <linux/errno.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 
 #include "soc-info.h"
 
@@ -59,11 +60,11 @@ int print_cpuinfo(void)
 	printf(" (model %d, revision %d)\n", model, rev);
 
 	if (model < required_model) {
-		printf("Only model %d or newer is supported.\n",
+		pr_err("Only model %d or newer is supported.\n",
 		       required_model);
 		return -ENOTSUPP;
 	} else if (rev < required_rev) {
-		printf("Only revision %d or newer is supported.\n",
+		pr_err("Only revision %d or newer is supported.\n",
 		       required_rev);
 		return -ENOTSUPP;
 	}

arch/arm/mach-uniphier/dram/cmd_ddrmphy.c

@@ -6,7 +6,9 @@
  */
 
 #include <common.h>
+#include <stdio.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 #include <linux/sizes.h>
 
 #include "../soc-info.h"
@@ -297,7 +299,7 @@ static int do_ddrm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	param = uniphier_get_ddrmphy_param();
 	if (!param) {
-		printf("unsupported SoC\n");
+		pr_err("unsupported SoC\n");
 		return CMD_RET_FAILURE;
 	}
 

arch/arm/mach-uniphier/dram/cmd_ddrphy.c

@@ -7,7 +7,9 @@
  */
 
 #include <common.h>
+#include <stdio.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 #include <linux/sizes.h>
 
 #include "../soc-info.h"
@@ -267,7 +269,7 @@ static int do_ddr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	param = uniphier_get_ddrphy_param();
 	if (!param) {
-		printf("unsupported SoC\n");
+		pr_err("unsupported SoC\n");
 		return CMD_RET_FAILURE;
 	}
 

arch/arm/mach-uniphier/dram/ddrphy-ld4.c

@@ -5,9 +5,10 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
+#include <linux/bitops.h>
 #include <linux/errno.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 
 #include "ddrphy-init.h"
 #include "ddrphy-regs.h"
@@ -41,7 +42,7 @@ int uniphier_ld4_ddrphy_init(void __iomem *phy_base, int freq, bool ddr3plus)
 		freq_e = DRAM_FREQ_1600M;
 		break;
 	default:
-		printf("unsupported DRAM frequency %d MHz\n", freq);
+		pr_err("unsupported DRAM frequency %d MHz\n", freq);
 		return -EINVAL;
 	}
 

arch/arm/mach-uniphier/dram/umc-pxs2.c

@@ -8,11 +8,13 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
-#include <common.h>
+#include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/io.h>
+#include <linux/printk.h>
 #include <linux/sizes.h>
 #include <asm/processor.h>
+#include <time.h>
 
 #include "../init.h"
 #include "../soc-info.h"
@@ -134,7 +136,7 @@ static int ddrphy_get_system_latency(void __iomem *phy_base, int width)
 	}
 
 	if (dgsl_min != dgsl_max)
-		printf("DQS Gateing System Latencies are not all leveled.\n");
+		pr_warn("DQS Gateing System Latencies are not all leveled.\n");
 
 	return dgsl_max;
 }
@@ -315,8 +317,10 @@ static int __ddrphy_training(void __iomem *phy_base,
 	u32 init_flag = MPHY_PIR_INIT;
 	u32 done_flag = MPHY_PGSR0_IDONE;
 	int timeout = 50000; /* 50 msec is long enough */
-#ifdef DISPLAY_ELAPSED_TIME
-	ulong start = get_timer(0);
+	unsigned long start = 0;
+
+#ifdef DEBUG
+	start = get_timer(0);
 #endif
 
 	for (s = seq; s->description; s++) {
@@ -344,9 +348,7 @@ static int __ddrphy_training(void __iomem *phy_base,
 		}
 	}
 
-#ifdef DISPLAY_ELAPSED_TIME
-	printf("%s: info: elapsed time %ld msec\n", get_timer(start));
-#endif
+	pr_debug("DDRPHY training: elapsed time %ld msec\n", get_timer(start));
 
 	return 0;
 }

arch/arm/mach-uniphier/dram_init.c

@@ -10,7 +10,10 @@
 #include <fdt_support.h>
 #include <fdtdec.h>
 #include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
 #include <linux/sizes.h>
+#include <asm/global_data.h>
 
 #include "sg-regs.h"
 #include "soc-info.h"
@@ -264,7 +267,7 @@ int ft_board_setup(void *fdt, bd_t *bd)
 		if (ret)
 			return -ENOSPC;
 
-		printf("   Reserved memory region for DRAM PHY training: addr=%lx size=%lx\n",
+		pr_notice("   Reserved memory region for DRAM PHY training: addr=%lx size=%lx\n",
 			  rsv_addr, rsv_size);
 	}