Merge "msm: qcom-geni-se: Make DFS clock table specific to SE of QUP" (6642afb9) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/platform/msm/qcom-geni-se.c

+12 −16

Original line number	Diff line number	Diff line
		@@ -69,8 +69,6 @@ struct bus_vectors {
		* @bus_bw_set_noc: Clock plan for DDR path.
		* @cur_bus_bw_idx: Current index within the bus clock plan.
		* @cur_bus_bw_idx_noc: Current index within the DDR path clock plan.
		* @num_clk_levels: Number of valid clock levels in clk_perf_tbl.
		* @clk_perf_tbl: Table of clock frequency input to Serial Engine clock.
		* @log_ctx: Logging context to hold the debug information.
		* @vectors: Structure to store Master End and Slave End IDs for
		QUPv3 clock and DDR path bus BW request.
		@@ -107,8 +105,6 @@ struct geni_se_device {
		unsigned long *bus_bw_set_noc;
		int cur_bus_bw_idx;
		int cur_bus_bw_idx_noc;
		unsigned int num_clk_levels;
		unsigned long *clk_perf_tbl;
		void *log_ctx;
		struct bus_vectors *vectors;
		int num_paths;
		@@ -1135,31 +1131,31 @@ int geni_se_clk_tbl_get(struct se_geni_rsc rsc, unsigned long *tbl)
		mutex_lock(&geni_se_dev->geni_dev_lock);
		*tbl = NULL;

		if (geni_se_dev->clk_perf_tbl) {
		*tbl = geni_se_dev->clk_perf_tbl;
		ret = geni_se_dev->num_clk_levels;
		if (rsc->clk_perf_tbl) {
		*tbl = rsc->clk_perf_tbl;
		ret = rsc->num_clk_levels;
		goto exit_se_clk_tbl_get;
		}

		geni_se_dev->clk_perf_tbl = kzalloc(sizeof(geni_se_dev->clk_perf_tbl)
		rsc->clk_perf_tbl = kzalloc(sizeof(rsc->clk_perf_tbl)
		MAX_CLK_PERF_LEVEL, GFP_KERNEL);
		if (!geni_se_dev->clk_perf_tbl) {
		if (!rsc->clk_perf_tbl) {
		ret = -ENOMEM;
		goto exit_se_clk_tbl_get;
		}

		for (i = 0; i < MAX_CLK_PERF_LEVEL; i++) {
		geni_se_dev->clk_perf_tbl[i] = clk_round_rate(rsc->se_clk,
		rsc->clk_perf_tbl[i] = clk_round_rate(rsc->se_clk,
		prev_freq + 1);
		if (geni_se_dev->clk_perf_tbl[i] == prev_freq) {
		geni_se_dev->clk_perf_tbl[i] = 0;
		if (rsc->clk_perf_tbl[i] == prev_freq) {
		rsc->clk_perf_tbl[i] = 0;
		break;
		}
		prev_freq = geni_se_dev->clk_perf_tbl[i];
		prev_freq = rsc->clk_perf_tbl[i];
		}
		geni_se_dev->num_clk_levels = i;
		*tbl = geni_se_dev->clk_perf_tbl;
		ret = geni_se_dev->num_clk_levels;
		rsc->num_clk_levels = i;
		*tbl = rsc->clk_perf_tbl;
		ret = rsc->num_clk_levels;
		exit_se_clk_tbl_get:
		mutex_unlock(&geni_se_dev->geni_dev_lock);
		return ret;

include/linux/qcom-geni-se.h

+5 −1

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
		/*
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
		*/

		#ifndef _LINUX_QCOM_GENI_SE
		@@ -50,6 +50,8 @@ enum se_protocol_types {
		* @geni_pinctrl: Handle to the pinctrl configuration.
		* @geni_gpio_active: Handle to the default/active pinctrl state.
		* @geni_gpi_sleep: Handle to the sleep pinctrl state.
		* @num_clk_levels: Number of valid clock levels in clk_perf_tbl.
		* @clk_perf_tbl: Table of clock frequency input to Serial Engine clock.
		*/
		struct se_geni_rsc {
		struct device *ctrl_dev;
		@@ -69,6 +71,8 @@ struct se_geni_rsc {
		struct pinctrl_state *geni_gpio_active;
		struct pinctrl_state *geni_gpio_sleep;
		int clk_freq_out;
		unsigned int num_clk_levels;
		unsigned long *clk_perf_tbl;
		};

		#define PINCTRL_DEFAULT "default"