cpufreq: mediatek: Use device print to show logs

- Replace pr_* with dev_* to show logs.
- Remove usage of __func__.
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

drivers/cpufreq/mediatek-cpufreq.c

@@ -65,7 +65,8 @@ static int mtk_cpufreq_voltage_tracking(struct mtk_cpu_dvfs_info *info,
 
 	old_vproc = regulator_get_voltage(proc_reg);
 	if (old_vproc < 0) {
-		pr_err("%s: invalid Vproc value: %d\n", __func__, old_vproc);
+		dev_err(info->cpu_dev,
+			"invalid Vproc value: %d\n", old_vproc);
 		return old_vproc;
 	}
 	/* Vsram should not exceed the maximum allowed voltage of SoC. */
@@ -81,14 +82,14 @@ static int mtk_cpufreq_voltage_tracking(struct mtk_cpu_dvfs_info *info,
 		do {
 			old_vsram = regulator_get_voltage(sram_reg);
 			if (old_vsram < 0) {
-				pr_err("%s: invalid Vsram value: %d\n",
-				       __func__, old_vsram);
+				dev_err(info->cpu_dev,
+					"invalid Vsram value: %d\n", old_vsram);
 				return old_vsram;
 			}
 			old_vproc = regulator_get_voltage(proc_reg);
 			if (old_vproc < 0) {
-				pr_err("%s: invalid Vproc value: %d\n",
-				       __func__, old_vproc);
+				dev_err(info->cpu_dev,
+					"invalid Vproc value: %d\n", old_vproc);
 				return old_vproc;
 			}
 
@@ -136,14 +137,14 @@ static int mtk_cpufreq_voltage_tracking(struct mtk_cpu_dvfs_info *info,
 		do {
 			old_vproc = regulator_get_voltage(proc_reg);
 			if (old_vproc < 0) {
-				pr_err("%s: invalid Vproc value: %d\n",
-				       __func__, old_vproc);
+				dev_err(info->cpu_dev,
+					"invalid Vproc value: %d\n", old_vproc);
 				return old_vproc;
 			}
 			old_vsram = regulator_get_voltage(sram_reg);
 			if (old_vsram < 0) {
-				pr_err("%s: invalid Vsram value: %d\n",
-				       __func__, old_vsram);
+				dev_err(info->cpu_dev,
+					"invalid Vsram value: %d\n", old_vsram);
 				return old_vsram;
 			}
 
@@ -214,7 +215,7 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	old_freq_hz = clk_get_rate(cpu_clk);
 	old_vproc = regulator_get_voltage(info->proc_reg);
 	if (old_vproc < 0) {
-		pr_err("%s: invalid Vproc value: %d\n", __func__, old_vproc);
+		dev_err(cpu_dev, "invalid Vproc value: %d\n", old_vproc);
 		return old_vproc;
 	}
 
@@ -222,8 +223,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 
 	opp = dev_pm_opp_find_freq_ceil(cpu_dev, &freq_hz);
 	if (IS_ERR(opp)) {
-		pr_err("cpu%d: failed to find OPP for %ld\n",
-		       policy->cpu, freq_hz);
+		dev_err(cpu_dev, "cpu%d: failed to find OPP for %ld\n",
+			policy->cpu, freq_hz);
 		return PTR_ERR(opp);
 	}
 	vproc = dev_pm_opp_get_voltage(opp);
@@ -237,8 +238,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	if (old_vproc < target_vproc) {
 		ret = mtk_cpufreq_set_voltage(info, target_vproc);
 		if (ret) {
-			pr_err("cpu%d: failed to scale up voltage!\n",
-			       policy->cpu);
+			dev_err(cpu_dev,
+				"cpu%d: failed to scale up voltage!\n", policy->cpu);
 			mtk_cpufreq_set_voltage(info, old_vproc);
 			return ret;
 		}
@@ -247,8 +248,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	/* Reparent the CPU clock to intermediate clock. */
 	ret = clk_set_parent(cpu_clk, info->inter_clk);
 	if (ret) {
-		pr_err("cpu%d: failed to re-parent cpu clock!\n",
-		       policy->cpu);
+		dev_err(cpu_dev,
+			"cpu%d: failed to re-parent cpu clock!\n", policy->cpu);
 		mtk_cpufreq_set_voltage(info, old_vproc);
 		WARN_ON(1);
 		return ret;
@@ -257,8 +258,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	/* Set the original PLL to target rate. */
 	ret = clk_set_rate(armpll, freq_hz);
 	if (ret) {
-		pr_err("cpu%d: failed to scale cpu clock rate!\n",
-		       policy->cpu);
+		dev_err(cpu_dev,
+			"cpu%d: failed to scale cpu clock rate!\n", policy->cpu);
 		clk_set_parent(cpu_clk, armpll);
 		mtk_cpufreq_set_voltage(info, old_vproc);
 		return ret;
@@ -267,8 +268,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	/* Set parent of CPU clock back to the original PLL. */
 	ret = clk_set_parent(cpu_clk, armpll);
 	if (ret) {
-		pr_err("cpu%d: failed to re-parent cpu clock!\n",
-		       policy->cpu);
+		dev_err(cpu_dev,
+			"cpu%d: failed to re-parent cpu clock!\n", policy->cpu);
 		mtk_cpufreq_set_voltage(info, inter_vproc);
 		WARN_ON(1);
 		return ret;
@@ -281,8 +282,8 @@ static int mtk_cpufreq_set_target(struct cpufreq_policy *policy,
 	if (vproc < inter_vproc || vproc < old_vproc) {
 		ret = mtk_cpufreq_set_voltage(info, vproc);
 		if (ret) {
-			pr_err("cpu%d: failed to scale down voltage!\n",
-			       policy->cpu);
+			dev_err(cpu_dev,
+				"cpu%d: failed to scale down voltage!\n", policy->cpu);
 			clk_set_parent(cpu_clk, info->inter_clk);
 			clk_set_rate(armpll, old_freq_hz);
 			clk_set_parent(cpu_clk, armpll);
@@ -448,15 +449,16 @@ static int mtk_cpufreq_init(struct cpufreq_policy *policy)
 
 	info = mtk_cpu_dvfs_info_lookup(policy->cpu);
 	if (!info) {
-		pr_err("dvfs info for cpu%d is not initialized.\n",
-		       policy->cpu);
+		dev_err(info->cpu_dev,
+			"dvfs info for cpu%d is not initialized.\n", policy->cpu);
 		return -EINVAL;
 	}
 
 	ret = dev_pm_opp_init_cpufreq_table(info->cpu_dev, &freq_table);
 	if (ret) {
-		pr_err("failed to init cpufreq table for cpu%d: %d\n",
-		       policy->cpu, ret);
+		dev_err(info->cpu_dev,
+			"failed to init cpufreq table for cpu%d: %d\n",
+			policy->cpu, ret);
 		return ret;
 	}