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Commit 82701729 authored by Taniya Das's avatar Taniya Das
Browse files

clk: qcom: gpucc: Defer probe until XO clock registration 



GPU_CC has a dependency on RPMH XO clock driver to register the GPU clocks
to the clock framework, so wait until the clock is registered.

Change-Id: I4e740919e4d14f55e2785d01acc1ade9dc856567
Signed-off-by: default avatarTaniya Das <tdas@codeaurora.org>
parent b3d3bd23

arch/arm64/boot/dts/qcom/lito.dtsi

+3 −1
Original line number Diff line number Diff line
@@ -902,11 +902,13 @@ 
	};



	gpucc: qcom,gpucc {

		compatible = "qcom,gpucc-lito", "syscon";

		compatible = "qcom,lito-gpucc", "syscon";

		reg = <0x3d90000 0x9000>;

		reg-names = "cc_base";

		vdd_cx-supply = <&VDD_CX_LEVEL>;

		vdd_mx-supply = <&VDD_MX_LEVEL>;

		clocks = <&rpmhcc RPMH_CXO_CLK>;

		clock-names = "xo";

		#clock-cells = <1>;

		#reset-cells = <1>;

	};

drivers/clk/qcom/gpucc-lito.c

+9 −0
Original line number Diff line number Diff line
@@ -404,9 +404,18 @@ MODULE_DEVICE_TABLE(of, gpu_cc_lito_match_table); 
static int gpu_cc_lito_probe(struct platform_device *pdev)

{

	struct regmap *regmap;

	struct clk *clk;

	unsigned int value, mask;

	int ret;



	clk = clk_get(&pdev->dev, "xo");

	if (IS_ERR(clk)) {

		if (PTR_ERR(clk) != -EPROBE_DEFER)

			dev_err(&pdev->dev, "Unable to get ahb clock handle\n");

		return PTR_ERR(clk);

	}

	clk_put(clk);



	regmap = qcom_cc_map(pdev, &gpu_cc_lito_desc);

	if (IS_ERR(regmap))

		return PTR_ERR(regmap);