clk: qcom: gcc-sc7180: Mark the camera abh clock always ON

The camera clock controller requires the AHB clock, the driver when
moved to use the pm_runtime_get() API, the camera ahb clock failed turn
on before access, thus mark it as always ON.

Reported-by: Stephen Boyd <[email protected]>
Fixes: 8d40259 ("clk: qcom: camcc-sc7180: Use runtime PM ops instead of clk ones")
Signed-off-by: Taniya Das <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Taniya Das

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));