Merge "clk: qcom: smd-rpm: Add panic notifier in HOLI" (522ef887) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/clk/qcom/clk-smd-rpm.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -827,6 +827,8 @@ DEFINE_CLK_SMD_RPM(holi, snoc_lpass_clk, snoc_lpass_a_clk,
		QCOM_SMD_RPM_BUS_CLK, 5);
		DEFINE_CLK_SMD_RPM(holi, hwkm_clk, hwkm_a_clk, QCOM_SMD_RPM_HWKM_CLK, 0);
		DEFINE_CLK_SMD_RPM(holi, pka_clk, pka_a_clk, QCOM_SMD_RPM_PKA_CLK, 0);
		DEFINE_CLK_SMD_RPM_BRANCH(holi, bimc_freq_log, bimc_freq_log_a,
		QCOM_SMD_RPM_MISC_CLK, 4, 1);

		/* SMD_XO_BUFFER */
		DEFINE_CLK_SMD_RPM_XO_BUFFER(holi, ln_bb_clk2, ln_bb_clk2_a,
		@@ -868,6 +870,7 @@ static struct clk_hw *holi_clks[] = {
		[RPM_SMD_HWKM_A_CLK] = &holi_hwkm_a_clk.hw,
		[RPM_SMD_PKA_CLK] = &holi_pka_clk.hw,
		[RPM_SMD_PKA_A_CLK] = &holi_pka_a_clk.hw,
		[RPM_SMD_BIMC_FREQ_LOG] = &holi_bimc_freq_log.hw,
		};

		static const struct rpm_smd_clk_desc rpm_clk_holi = {
		@@ -886,6 +889,34 @@ static const struct of_device_id rpm_smd_clk_match_table[] = {
		};
		MODULE_DEVICE_TABLE(of, rpm_smd_clk_match_table);

		static int smd_rpm_clk_panic_callback(struct notifier_block *nfb,
		unsigned long event, void *unused)
		{
		struct clk_hw *hw = &holi_bimc_freq_log.hw;
		struct clk_smd_rpm *r = to_clk_smd_rpm(hw);
		uint32_t rate = 1;
		void *ret;

		struct msm_rpm_kvp req = {
		.key = r->rpm_key,
		.data = (void *)&rate,
		.length = sizeof(rate),
		};

		ret = msm_rpm_send_message_noack(QCOM_SMD_RPM_ACTIVE_STATE,
		r->rpm_res_type, r->rpm_clk_id, &req, 1);

		if (IS_ERR(ret))
		pr_err("BIMC Stop logging request failed\n");

		return NOTIFY_OK;
		}

		static struct notifier_block smd_rpm_clk_panic_notifier = {
		.notifier_call = smd_rpm_clk_panic_callback,
		.priority = 1,
		};

		static struct clk_hw qcom_smdrpm_clk_hw_get(struct of_phandle_args clkspec,
		void *data)
		{
		@@ -980,6 +1011,10 @@ static int rpm_smd_clk_probe(struct platform_device *pdev)
		clk_prepare_enable(holi_snoc_a_clk.hw.clk);
		}

		if (of_property_read_bool(pdev->dev.of_node, "qcom,bimc-log-stop"))
		atomic_notifier_chain_register(&panic_notifier_list,
		&smd_rpm_clk_panic_notifier);

		dev_info(&pdev->dev, "Registered RPM clocks\n");

		return 0;

include/dt-bindings/clock/qcom,rpmcc.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -151,5 +151,6 @@
		#define RPM_SMD_RF_CLK5_A 109
		#define RPM_SMD_RF_CLK5_PIN 110
		#define RPM_SMD_RF_CLK5_A_PIN 111
		#define RPM_SMD_BIMC_FREQ_LOG 112

		#endif