Merge "clk: qcom: clk-debug: Add support for debug clock API's" (6c930d73) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/clk/qcom/clk-debug.c

+48 −1

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/* Copyright (c) 2016, 2019, The Linux Foundation. All rights reserved. */
		/* Copyright (c) 2016, 2019-2020 The Linux Foundation. All rights reserved. */

		#include <linux/clk.h>
		#include <linux/export.h>
		@@ -14,6 +14,7 @@

		#include "clk-regmap.h"
		#include "clk-debug.h"
		#include "common.h"

		static struct clk_hw *measure;

		@@ -409,3 +410,49 @@ int map_debug_bases(struct platform_device pdev, const char base,
		return 0;
		}
		EXPORT_SYMBOL(map_debug_bases);

		/**
		* qcom_clk_dump - dump the HW specific registers associated with this clock
		* @clk: clock source
		* @calltrace: indicates whether calltrace is required
		*
		* This function attempts to print all the registers associated with the
		* clock and it's parents.
		*/
		void qcom_clk_dump(struct clk *clk, bool calltrace)
		{
		struct clk_hw *hw;

		if (IS_ERR_OR_NULL(clk))
		return;

		hw = __clk_get_hw(clk);
		if (IS_ERR_OR_NULL(hw))
		return;

		pr_info("Dumping %s Registers:\n", clk_hw_get_name(hw));
		WARN_CLK(hw->core, clk_hw_get_name(hw), calltrace, "");
		}
		EXPORT_SYMBOL(qcom_clk_dump);

		/**
		* qcom_clk_bulk_dump - dump the HW specific registers associated with clocks
		* @clks: the clk_bulk_data table of consumer
		* @num_clks: the number of clk_bulk_data
		* @calltrace: indicates whether calltrace is required
		*
		* This function attempts to print all the registers associated with the
		* clock and it's parents for all the clocks in the list.
		*/
		void qcom_clk_bulk_dump(int num_clks, struct clk_bulk_data *clks,
		bool calltrace)
		{
		int i;

		if (IS_ERR_OR_NULL(clks))
		return;

		for (i = 0; i < num_clks; i++)
		qcom_clk_dump(clks[i].clk, calltrace);
		}
		EXPORT_SYMBOL(qcom_clk_bulk_dump);

include/linux/clk/qcom.h

+7 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2016, The Linux Foundation. All rights reserved.
		* Copyright (c) 2016, 2020 The Linux Foundation. All rights reserved.
		*/

		#ifndef __LINUX_CLK_QCOM_H_
		#define __LINUX_CLK_QCOM_H_

		#include <linux/clk.h>

		enum branch_mem_flags {
		CLKFLAG_RETAIN_PERIPH,
		CLKFLAG_NORETAIN_PERIPH,
		@@ -15,4 +17,8 @@ enum branch_mem_flags {
		CLKFLAG_PERIPH_OFF_CLEAR,
		};

		void qcom_clk_dump(struct clk *clk, bool calltrace);
		void qcom_clk_bulk_dump(int num_clks, struct clk_bulk_data *clks,
		bool calltrace);

		#endif /* __LINUX_CLK_QCOM_H_ */