Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

torvalds · torvalds · commit 5a4bd506ddad · 2024-07-07T10:59:38.000-07:00
Pull clk fixes from Stephen Boyd:
 "A set of clk fixes for the Qualcomm, Mediatek, and Allwinner drivers:

   - Fix the Qualcomm Stromer Plus PLL set_rate() clk_op to explicitly
     set the alpha enable bit and not set bits that don't exist

   - Mark Qualcomm IPQ9574 crypto clks as voted to avoid stuck clk
     warnings

   - Fix the parent of some PLLs on Qualcomm sm6530 so their rate is
     correct

   - Fix the min/max rate clamping logic in the Allwinner driver that
     got broken in v6.9

   - Limit runtime PM enabling in the Mediatek driver to only
     mt8183-mfgcfg so that system wide resume doesn't break on other
     Mediatek SoCs"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: mediatek: mt8183: Only enable runtime PM on mt8183-mfgcfg
  clk: sunxi-ng: common: Don't call hw_to_ccu_common on hw without common
  clk: qcom: gcc-ipq9574: Add BRANCH_HALT_VOTED flag
  clk: qcom: apss-ipq-pll: remove 'config_ctl_hi_val' from Stromer pll configs
  clk: qcom: clk-alpha-pll: set ALPHA_EN bit for Stromer Plus PLLs
  clk: qcom: gcc-sm6350: Fix gpll6* &amp; gpll7 parents
diff --git a/drivers/clk/mediatek/clk-mt8183-mfgcfg.c b/drivers/clk/mediatek/clk-mt8183-mfgcfg.c
@@ -29,6 +29,7 @@ static const struct mtk_gate mfg_clks[] = {
 static const struct mtk_clk_desc mfg_desc = {
 	.clks = mfg_clks,
 	.num_clks = ARRAY_SIZE(mfg_clks),
+	.need_runtime_pm = true,
 };
 
 static const struct of_device_id of_match_clk_mt8183_mfg[] = {
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
@@ -496,14 +496,16 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
 	}
 
 
-	devm_pm_runtime_enable(&pdev->dev);
-	/*
-	 * Do a pm_runtime_resume_and_get() to workaround a possible
-	 * deadlock between clk_register() and the genpd framework.
-	 */
-	r = pm_runtime_resume_and_get(&pdev->dev);
-	if (r)
-		return r;
+	if (mcd->need_runtime_pm) {
+		devm_pm_runtime_enable(&pdev->dev);
+		/*
+		 * Do a pm_runtime_resume_and_get() to workaround a possible
+		 * deadlock between clk_register() and the genpd framework.
+		 */
+		r = pm_runtime_resume_and_get(&pdev->dev);
+		if (r)
+			return r;
+	}
 
 	/* Calculate how many clk_hw_onecell_data entries to allocate */
 	num_clks = mcd->num_clks + mcd->num_composite_clks;
@@ -585,7 +587,8 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
 			goto unregister_clks;
 	}
 
-	pm_runtime_put(&pdev->dev);
+	if (mcd->need_runtime_pm)
+		pm_runtime_put(&pdev->dev);
 
 	return r;
 
@@ -618,7 +621,8 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
 	if (mcd->shared_io && base)
 		iounmap(base);
 
-	pm_runtime_put(&pdev->dev);
+	if (mcd->need_runtime_pm)
+		pm_runtime_put(&pdev->dev);
 	return r;
 }
 
diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
@@ -237,6 +237,8 @@ struct mtk_clk_desc {
 
 	int (*clk_notifier_func)(struct device *dev, struct clk *clk);
 	unsigned int mfg_clk_idx;
+
+	bool need_runtime_pm;
 };
 
 int mtk_clk_pdev_probe(struct platform_device *pdev);
diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
@@ -70,7 +70,6 @@ static struct clk_alpha_pll ipq_pll_stromer_plus = {
 static const struct alpha_pll_config ipq5018_pll_config = {
 	.l = 0x2a,
 	.config_ctl_val = 0x4001075b,
-	.config_ctl_hi_val = 0x304,
 	.main_output_mask = BIT(0),
 	.aux_output_mask = BIT(1),
 	.early_output_mask = BIT(3),
@@ -84,7 +83,6 @@ static const struct alpha_pll_config ipq5018_pll_config = {
 static const struct alpha_pll_config ipq5332_pll_config = {
 	.l = 0x2d,
 	.config_ctl_val = 0x4001075b,
-	.config_ctl_hi_val = 0x304,
 	.main_output_mask = BIT(0),
 	.aux_output_mask = BIT(1),
 	.early_output_mask = BIT(3),
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c
@@ -2574,6 +2574,9 @@ static int clk_alpha_pll_stromer_plus_set_rate(struct clk_hw *hw,
 	regmap_write(pll->clkr.regmap, PLL_ALPHA_VAL_U(pll),
 					a >> ALPHA_BITWIDTH);
 
+	regmap_update_bits(pll->clkr.regmap, PLL_USER_CTL(pll),
+			   PLL_ALPHA_EN, PLL_ALPHA_EN);
+
 	regmap_write(pll->clkr.regmap, PLL_MODE(pll), PLL_BYPASSNL);
 
 	/* Wait five micro seconds or more */
diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c
@@ -2140,9 +2140,10 @@ static struct clk_rcg2 pcnoc_bfdcd_clk_src = {
 
 static struct clk_branch gcc_crypto_axi_clk = {
 	.halt_reg = 0x16010,
+	.halt_check = BRANCH_HALT_VOTED,
 	.clkr = {
-		.enable_reg = 0x16010,
-		.enable_mask = BIT(0),
+		.enable_reg = 0xb004,
+		.enable_mask = BIT(15),
 		.hw.init = &(const struct clk_init_data) {
 			.name = "gcc_crypto_axi_clk",
 			.parent_hws = (const struct clk_hw *[]) {
@@ -2156,9 +2157,10 @@ static struct clk_branch gcc_crypto_axi_clk = {
 
 static struct clk_branch gcc_crypto_ahb_clk = {
 	.halt_reg = 0x16014,
+	.halt_check = BRANCH_HALT_VOTED,
 	.clkr = {
-		.enable_reg = 0x16014,
-		.enable_mask = BIT(0),
+		.enable_reg = 0xb004,
+		.enable_mask = BIT(16),
 		.hw.init = &(const struct clk_init_data) {
 			.name = "gcc_crypto_ahb_clk",
 			.parent_hws = (const struct clk_hw *[]) {
diff --git a/drivers/clk/qcom/gcc-sm6350.c b/drivers/clk/qcom/gcc-sm6350.c
@@ -100,8 +100,8 @@ static struct clk_alpha_pll gpll6 = {
 		.enable_mask = BIT(6),
 		.hw.init = &(struct clk_init_data){
 			.name = "gpll6",
-			.parent_hws = (const struct clk_hw*[]){
-				&gpll0.clkr.hw,
+			.parent_data = &(const struct clk_parent_data){
+				.fw_name = "bi_tcxo",
 			},
 			.num_parents = 1,
 			.ops = &clk_alpha_pll_fixed_fabia_ops,
@@ -124,7 +124,7 @@ static struct clk_alpha_pll_postdiv gpll6_out_even = {
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gpll6_out_even",
 		.parent_hws = (const struct clk_hw*[]){
-			&gpll0.clkr.hw,
+			&gpll6.clkr.hw,
 		},
 		.num_parents = 1,
 		.ops = &clk_alpha_pll_postdiv_fabia_ops,
@@ -139,8 +139,8 @@ static struct clk_alpha_pll gpll7 = {
 		.enable_mask = BIT(7),
 		.hw.init = &(struct clk_init_data){
 			.name = "gpll7",
-			.parent_hws = (const struct clk_hw*[]){
-				&gpll0.clkr.hw,
+			.parent_data = &(const struct clk_parent_data){
+				.fw_name = "bi_tcxo",
 			},
 			.num_parents = 1,
 			.ops = &clk_alpha_pll_fixed_fabia_ops,
diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c
@@ -132,7 +132,6 @@ static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev,
 
 	for (i = 0; i < desc->hw_clks->num ; i++) {
 		struct clk_hw *hw = desc->hw_clks->hws[i];
-		struct ccu_common *common = hw_to_ccu_common(hw);
 		const char *name;
 
 		if (!hw)
@@ -147,14 +146,21 @@ static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev,
 			pr_err("Couldn't register clock %d - %s\n", i, name);
 			goto err_clk_unreg;
 		}
+	}
+
+	for (i = 0; i < desc->num_ccu_clks; i++) {
+		struct ccu_common *cclk = desc->ccu_clks[i];
+
+		if (!cclk)
+			continue;
 
-		if (common->max_rate)
-			clk_hw_set_rate_range(hw, common->min_rate,
-					      common->max_rate);
+		if (cclk->max_rate)
+			clk_hw_set_rate_range(&cclk->hw, cclk->min_rate,
+					      cclk->max_rate);
 		else
-			WARN(common->min_rate,
+			WARN(cclk->min_rate,
 			     "No max_rate, ignoring min_rate of clock %d - %s\n",
-			     i, name);
+			     i, clk_hw_get_name(&cclk->hw));
 	}
 
 	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get,
