Merge "soc: swr-mstr-ctrl: add new lock to sync runtime_resume and runtime_suspend"
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commit
efbb81f9ad
@ -1,7 +1,7 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/irq.h>
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@ -1738,6 +1738,8 @@ static int swrm_slvdev_datapath_control(struct swr_master *master, bool enable)
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dev_dbg(&master->dev, "%s: pm_runtime auto suspend triggered\n",
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__func__);
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pm_runtime_mark_last_busy(swrm->dev);
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if (!enable)
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pm_runtime_set_autosuspend_delay(swrm->dev, 80);
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pm_runtime_put_autosuspend(swrm->dev);
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}
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exit:
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@ -2848,6 +2850,7 @@ static int swrm_probe(struct platform_device *pdev)
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mutex_init(&swrm->clklock);
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mutex_init(&swrm->devlock);
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mutex_init(&swrm->pm_lock);
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mutex_init(&swrm->runtime_lock);
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swrm->wlock_holders = 0;
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swrm->pm_state = SWRM_PM_SLEEPABLE;
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init_waitqueue_head(&swrm->pm_wq);
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@ -3020,6 +3023,7 @@ err_irq_fail:
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mutex_destroy(&swrm->clklock);
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mutex_destroy(&swrm->pm_lock);
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pm_qos_remove_request(&swrm->pm_qos_req);
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mutex_destroy(&swrm->runtime_lock);
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err_pdata_fail:
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err_memory_fail:
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@ -3059,6 +3063,7 @@ static int swrm_remove(struct platform_device *pdev)
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mutex_destroy(&swrm->force_down_lock);
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mutex_destroy(&swrm->pm_lock);
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pm_qos_remove_request(&swrm->pm_qos_req);
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mutex_destroy(&swrm->runtime_lock);
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devm_kfree(&pdev->dev, swrm);
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return 0;
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}
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@ -3090,6 +3095,7 @@ static int swrm_runtime_resume(struct device *dev)
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dev_dbg(dev, "%s: pm_runtime: resume, state:%d\n",
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__func__, swrm->state);
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mutex_lock(&swrm->runtime_lock);
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mutex_lock(&swrm->reslock);
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if (swrm_request_hw_vote(swrm, LPASS_HW_CORE, true)) {
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@ -3101,6 +3107,7 @@ static int swrm_runtime_resume(struct device *dev)
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if (swrm->req_clk_switch)
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swrm->req_clk_switch = false;
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mutex_unlock(&swrm->reslock);
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mutex_unlock(&swrm->runtime_lock);
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return 0;
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}
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if (swrm_request_hw_vote(swrm, LPASS_AUDIO_CORE, true)) {
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@ -3118,6 +3125,7 @@ static int swrm_runtime_resume(struct device *dev)
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pr_err("%s: irq data is NULL\n",
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__func__);
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mutex_unlock(&swrm->reslock);
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mutex_unlock(&swrm->runtime_lock);
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return IRQ_NONE;
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}
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mutex_lock(&swrm->irq_lock);
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@ -3209,6 +3217,7 @@ exit:
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if (swrm->req_clk_switch)
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swrm->req_clk_switch = false;
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mutex_unlock(&swrm->reslock);
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mutex_unlock(&swrm->runtime_lock);
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return ret;
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}
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@ -3230,6 +3239,7 @@ static int swrm_runtime_suspend(struct device *dev)
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swrm->state = SWR_MSTR_SSR;
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return 0;
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}
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mutex_lock(&swrm->runtime_lock);
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mutex_lock(&swrm->reslock);
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mutex_lock(&swrm->force_down_lock);
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current_state = swrm->state;
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@ -3327,6 +3337,10 @@ exit:
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if (!hw_core_err)
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swrm_request_hw_vote(swrm, LPASS_HW_CORE, false);
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mutex_unlock(&swrm->reslock);
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mutex_unlock(&swrm->runtime_lock);
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dev_dbg(dev, "%s: pm_runtime: suspend done state: %d\n",
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__func__, swrm->state);
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pm_runtime_set_autosuspend_delay(dev, auto_suspend_timer);
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return ret;
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}
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#endif /* CONFIG_PM */
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@ -1,6 +1,7 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
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* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef _SWR_WCD_CTRL_H
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@ -134,6 +135,7 @@ struct swr_mstr_ctrl {
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struct mutex reslock;
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struct mutex pm_lock;
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struct mutex irq_lock;
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struct mutex runtime_lock;
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u32 swrm_base_reg;
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char __iomem *swrm_dig_base;
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char __iomem *swrm_hctl_reg;
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