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Commit b666c98d authored by Deepak Katragadda's avatar Deepak Katragadda
Browse files

clk: qcom: gcc-sdm845: Keep the gcc_sys_noc_cpuss_ahb_clk clock on 



The gcc_sys_noc_cpuss_ahb_clk should not be disabled as part of
late_init. Keep the clock enabled explicitly.

Change-Id: I612a6f8c886d3508e7b97b270cbfbb7575ad675a
Signed-off-by: default avatarDeepak Katragadda <dkatraga@codeaurora.org>
parent 76f0a262

drivers/clk/qcom/gcc-sdm845.c

+6 −3
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 


#define GCC_APCS_CLOCK_SLEEP_ENA_VOTE_OFFSET	0x52008

#define CPUSS_AHB_CLK_SLEEP_ENA			BIT(21)

#define SYS_NOC_CPUSS_AHB_CLK_SLEEP_ENA		BIT(0)

#define GCC_MMSS_MISC				0x09FFC

#define GCC_GPU_MISC				0x71028
@@ -3392,11 +3393,12 @@ static int gcc_sdm845_probe(struct platform_device *pdev) 
		return PTR_ERR(regmap);



	/*

	 * Set the CPUSS_AHB_CLK_SLEEP_ENA bit to allow the cpuss_ahb_clk to be

	 * Set the *_SLEEP_ENA bits to allow certain cpuss* clocks to be

	 * turned off by hardware during certain apps low power modes.

	 */

	regmap_update_bits(regmap, GCC_APCS_CLOCK_SLEEP_ENA_VOTE_OFFSET,

		CPUSS_AHB_CLK_SLEEP_ENA, CPUSS_AHB_CLK_SLEEP_ENA);

		CPUSS_AHB_CLK_SLEEP_ENA | SYS_NOC_CPUSS_AHB_CLK_SLEEP_ENA,

		CPUSS_AHB_CLK_SLEEP_ENA | SYS_NOC_CPUSS_AHB_CLK_SLEEP_ENA);



	vdd_cx.regulator[0] = devm_regulator_get(&pdev->dev, "vdd_cx");

	if (IS_ERR(vdd_cx.regulator[0])) {
@@ -3424,8 +3426,9 @@ static int gcc_sdm845_probe(struct platform_device *pdev) 
	regmap_update_bits(regmap, GCC_MMSS_MISC, 0x3, 0x3);

	regmap_update_bits(regmap, GCC_GPU_MISC, 0x3, 0x3);



	/* Keep these HMSS clocks enabled always */

	/* Keep these CPUSS clocks enabled always */

	clk_prepare_enable(gcc_cpuss_ahb_clk.clkr.hw.clk);

	clk_prepare_enable(gcc_sys_noc_cpuss_ahb_clk.clkr.hw.clk);

	clk_prepare_enable(gcc_cpuss_dvm_bus_clk.clkr.hw.clk);

	clk_prepare_enable(gcc_cpuss_gnoc_clk.clkr.hw.clk);