5 files changed, 30 insertions, 24 deletions

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 8c1d04db990d..3d751ae5bc70 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -1164,6 +1164,27 @@ int clk_enable(struct clk *clk)
 }
 EXPORT_SYMBOL_GPL(clk_enable);
 
+/**
+ * clk_is_enabled_when_prepared - indicate if preparing a clock also enables it.
+ * @clk: clock source
+ *
+ * Returns true if clk_prepare() implicitly enables the clock, effectively
+ * making clk_enable()/clk_disable() no-ops, false otherwise.
+ *
+ * This is of interest mainly to power management code where actually
+ * disabling the clock also requires unpreparing it to have any material
+ * effect.
+ *
+ * Regardless of the value returned here, the caller must always invoke
+ * clk_enable() or clk_prepare_enable()  and counterparts for usage counts
+ * to be right.
+ */
+bool clk_is_enabled_when_prepared(struct clk *clk)
+{
+	return clk && !(clk->core->ops->enable && clk->core->ops->disable);
+}
+EXPORT_SYMBOL_GPL(clk_is_enabled_when_prepared);
+
 static int clk_core_prepare_enable(struct clk_core *core)
 {
 	int ret;
diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig
index 3061896503f3..47d9ec3abd2f 100644
--- a/drivers/clk/imx/Kconfig
+++ b/drivers/clk/imx/Kconfig
@@ -6,8 +6,6 @@ config MXC_CLK
 
 config MXC_CLK_SCU
 	tristate
-	depends on ARCH_MXC
-	depends on IMX_SCU && HAVE_ARM_SMCCC
 
 config CLK_IMX1
 	def_bool SOC_IMX1
diff --git a/drivers/clk/mmp/clk-audio.c b/drivers/clk/mmp/clk-audio.c
index eea69d498bd2..7aa7f4a9564f 100644
--- a/drivers/clk/mmp/clk-audio.c
+++ b/drivers/clk/mmp/clk-audio.c
@@ -392,7 +392,8 @@ static int mmp2_audio_clk_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int __maybe_unused mmp2_audio_clk_suspend(struct device *dev)
+#ifdef CONFIG_PM
+static int mmp2_audio_clk_suspend(struct device *dev)
 {
 	struct mmp2_audio_clk *priv = dev_get_drvdata(dev);
 
@@ -404,7 +405,7 @@ static int __maybe_unused mmp2_audio_clk_suspend(struct device *dev)
 	return 0;
 }
 
-static int __maybe_unused mmp2_audio_clk_resume(struct device *dev)
+static int mmp2_audio_clk_resume(struct device *dev)
 {
 	struct mmp2_audio_clk *priv = dev_get_drvdata(dev);
 
@@ -415,6 +416,7 @@ static int __maybe_unused mmp2_audio_clk_resume(struct device *dev)
 
 	return 0;
 }
+#endif
 
 static const struct dev_pm_ops mmp2_audio_clk_pm_ops = {
 	SET_RUNTIME_PM_OPS(mmp2_audio_clk_suspend, mmp2_audio_clk_resume, NULL)
diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c
index d82d725ac231..b05901b24917 100644
--- a/drivers/clk/qcom/gcc-sc7180.c
+++ b/drivers/clk/qcom/gcc-sc7180.c
@@ -891,21 +891,6 @@ static struct clk_branch gcc_boot_rom_ahb_clk = {
 	},
 };
 
-static struct clk_branch gcc_camera_ahb_clk = {
-	.halt_reg = 0xb008,
-	.halt_check = BRANCH_HALT,
-	.hwcg_reg = 0xb008,
-	.hwcg_bit = 1,
-	.clkr = {
-		.enable_reg = 0xb008,
-		.enable_mask = BIT(0),
-		.hw.init = &(struct clk_init_data){
-			.name = "gcc_camera_ahb_clk",
-			.ops = &clk_branch2_ops,
-		},
-	},
-};
-
 static struct clk_branch gcc_camera_hf_axi_clk = {
 	.halt_reg = 0xb020,
 	.halt_check = BRANCH_HALT,
@@ -2317,7 +2302,6 @@ static struct clk_regmap *gcc_sc7180_clocks[] = {
 	[GCC_AGGRE_UFS_PHY_AXI_CLK] = &gcc_aggre_ufs_phy_axi_clk.clkr,
 	[GCC_AGGRE_USB3_PRIM_AXI_CLK] = &gcc_aggre_usb3_prim_axi_clk.clkr,
 	[GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
-	[GCC_CAMERA_AHB_CLK] = &gcc_camera_ahb_clk.clkr,
 	[GCC_CAMERA_HF_AXI_CLK] = &gcc_camera_hf_axi_clk.clkr,
 	[GCC_CAMERA_THROTTLE_HF_AXI_CLK] = &gcc_camera_throttle_hf_axi_clk.clkr,
 	[GCC_CAMERA_XO_CLK] = &gcc_camera_xo_clk.clkr,
@@ -2519,11 +2503,12 @@ static int gcc_sc7180_probe(struct platform_device *pdev)
 
 	/*
 	 * Keep the clocks always-ON
-	 * GCC_CPUSS_GNOC_CLK, GCC_VIDEO_AHB_CLK, GCC_DISP_AHB_CLK
-	 * GCC_GPU_CFG_AHB_CLK
+	 * GCC_CPUSS_GNOC_CLK, GCC_VIDEO_AHB_CLK, GCC_CAMERA_AHB_CLK,
+	 * GCC_DISP_AHB_CLK, GCC_GPU_CFG_AHB_CLK
 	 */
 	regmap_update_bits(regmap, 0x48004, BIT(0), BIT(0));
 	regmap_update_bits(regmap, 0x0b004, BIT(0), BIT(0));
+	regmap_update_bits(regmap, 0x0b008, BIT(0), BIT(0));
 	regmap_update_bits(regmap, 0x0b00c, BIT(0), BIT(0));
 	regmap_update_bits(regmap, 0x71004, BIT(0), BIT(0));
 
diff --git a/drivers/clk/qcom/gcc-sm8250.c b/drivers/clk/qcom/gcc-sm8250.c
index 6cb6617b8d88..ab594a0f0c40 100644
--- a/drivers/clk/qcom/gcc-sm8250.c
+++ b/drivers/clk/qcom/gcc-sm8250.c
@@ -722,7 +722,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = {
 		.name = "gcc_sdcc2_apps_clk_src",
 		.parent_data = gcc_parent_data_4,
 		.num_parents = 5,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_floor_ops,
 	},
 };
 
@@ -745,7 +745,7 @@ static struct clk_rcg2 gcc_sdcc4_apps_clk_src = {
 		.name = "gcc_sdcc4_apps_clk_src",
 		.parent_data = gcc_parent_data_0,
 		.num_parents = 3,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_floor_ops,
 	},
 };