From patchwork Mon Jan 24 05:47:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 12721569 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27EA7C433EF for ; Mon, 24 Jan 2022 05:48:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241243AbiAXFsX (ORCPT ); Mon, 24 Jan 2022 00:48:23 -0500 Received: from smtp-relay-canonical-0.canonical.com ([185.125.188.120]:44920 "EHLO smtp-relay-canonical-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234326AbiAXFsX (ORCPT ); Mon, 24 Jan 2022 00:48:23 -0500 Received: from HP-EliteBook-840-G7.. (36-229-235-192.dynamic-ip.hinet.net [36.229.235.192]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id 8E80C40D2E; Mon, 24 Jan 2022 05:48:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1643003301; bh=MTEebZVG4mHTovnEEXPYqb1F1yUzU9S01t10v+4llng=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VZePhUFpLrk4loGdTG82NC29WeGyq1xXGyw5X5prr+RnTlS0HMAZZIBUiPL6YhXEF Oh1ZLOG3FnCW6Eoc1mook5FNF1hoBJ9Y648ZoJ52poXuHl7ThafjroKX6OA7wEIbBa /7C0G5vAehQBaA/iKivJjRMEk+A6jISJ7XT2zX+HZewcLcKxg12EOKG7uXLx/tmuI4 9l9iSEPrh/4jjw6KYesCUx2voafKGRfVfoNHIexu0vBALGe5XhDLOsrfhsGnkaYfWB 7QmGdTQQbveX4LzV9re81kWW1q+9HWjUAOvRScJnD199ZoLLt4nfRSTHbjhoibAfgi H2hrlcRkKjqKQ== From: Kai-Heng Feng To: arnd@arndb.de, gregkh@linuxfoundation.org, ulf.hansson@linaro.org Cc: linux-pm@vger.kernel.org, Kai-Heng Feng , Ricky WU , Thomas Hebb , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 1/4] mmc: rtsx: Use pm_runtime_{get,put}() to handle runtime PM Date: Mon, 24 Jan 2022 13:47:38 +0800 Message-Id: <20220124054743.1800655-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220121014039.1693208-1-kai.heng.feng@canonical.com> References: <20220121014039.1693208-1-kai.heng.feng@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Commit 5b4258f6721f ("misc: rtsx: rts5249 support runtime PM") doesn't use pm_runtime_{get,put}() helpers when it should, so the RPM refcount keeps at zero, hence its parent driver, rtsx_pci, has to do lots of weird tricks to keep it from runtime suspending. So use those helpers at right places to properly manage runtime PM. Since rtsx_pci will handle the real power management, remove MMC_CAP_AGGRESSIVE_PM to avoid doing duplicate work. Fixes: 5b4258f6721f ("misc: rtsx: rts5249 support runtime PM") Cc: Ricky WU Signed-off-by: Kai-Heng Feng --- v4: - Decrease the autosuspend delay to 200ms for more power saving. v3: v2: - No change. drivers/mmc/host/rtsx_pci_sdmmc.c | 47 ++++++++++++++++++++++--------- 1 file changed, 33 insertions(+), 14 deletions(-) diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 58cfaffa3c2d8..4c7931b053aad 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -806,6 +806,7 @@ static void sd_request(struct work_struct *work) struct mmc_request *mrq = host->mrq; struct mmc_command *cmd = mrq->cmd; struct mmc_data *data = mrq->data; + struct device *dev = &host->pdev->dev; unsigned int data_size = 0; int err; @@ -822,6 +823,7 @@ static void sd_request(struct work_struct *work) } mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -858,6 +860,8 @@ static void sd_request(struct work_struct *work) data->bytes_xfered = data->blocks * data->blksz; } + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); finish: @@ -1080,6 +1084,7 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + struct device *dev = &host->pdev->dev; if (host->eject) return; @@ -1088,6 +1093,7 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) return; mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -1121,6 +1127,8 @@ static void sdmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) rtsx_pci_switch_clock(pcr, ios->clock, host->ssc_depth, host->initial_mode, host->double_clk, host->vpclk); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); } @@ -1128,6 +1136,7 @@ static int sdmmc_get_ro(struct mmc_host *mmc) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + struct device *dev = &host->pdev->dev; int ro = 0; u32 val; @@ -1135,6 +1144,7 @@ static int sdmmc_get_ro(struct mmc_host *mmc) return -ENOMEDIUM; mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -1144,6 +1154,8 @@ static int sdmmc_get_ro(struct mmc_host *mmc) if (val & SD_WRITE_PROTECT) ro = 1; + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); return ro; @@ -1153,6 +1165,7 @@ static int sdmmc_get_cd(struct mmc_host *mmc) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + struct device *dev = &host->pdev->dev; int cd = 0; u32 val; @@ -1160,6 +1173,7 @@ static int sdmmc_get_cd(struct mmc_host *mmc) return cd; mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -1169,6 +1183,8 @@ static int sdmmc_get_cd(struct mmc_host *mmc) if (val & SD_EXIST) cd = 1; + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); return cd; @@ -1251,6 +1267,7 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + struct device *dev = &host->pdev->dev; int err = 0; u8 voltage; @@ -1265,6 +1282,7 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) return err; mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -1294,6 +1312,8 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) err = rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0); + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); return err; @@ -1303,6 +1323,7 @@ static int sdmmc_execute_tuning(struct mmc_host *mmc, u32 opcode) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); struct rtsx_pcr *pcr = host->pcr; + struct device *dev = &host->pdev->dev; int err = 0; if (host->eject) @@ -1313,6 +1334,7 @@ static int sdmmc_execute_tuning(struct mmc_host *mmc, u32 opcode) return err; mutex_lock(&pcr->pcr_mutex); + pm_runtime_get_sync(dev); rtsx_pci_start_run(pcr); @@ -1345,6 +1367,8 @@ static int sdmmc_execute_tuning(struct mmc_host *mmc, u32 opcode) err = sd_change_phase(host, DDR50_RX_PHASE(pcr), true); out: + pm_runtime_mark_last_busy(dev); + pm_runtime_put_autosuspend(dev); mutex_unlock(&pcr->pcr_mutex); return err; @@ -1427,7 +1451,6 @@ static void init_extra_caps(struct realtek_pci_sdmmc *host) static void realtek_init_host(struct realtek_pci_sdmmc *host) { struct mmc_host *mmc = host->mmc; - struct rtsx_pcr *pcr = host->pcr; mmc->f_min = 250000; mmc->f_max = 208000000; @@ -1435,8 +1458,6 @@ static void realtek_init_host(struct realtek_pci_sdmmc *host) mmc->caps = MMC_CAP_4_BIT_DATA | MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25; - if (pcr->rtd3_en) - mmc->caps = mmc->caps | MMC_CAP_AGGRESSIVE_PM; mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE | MMC_CAP2_NO_SDIO; mmc->max_current_330 = 400; @@ -1495,12 +1516,12 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev) realtek_init_host(host); - if (pcr->rtd3_en) { - pm_runtime_set_autosuspend_delay(&pdev->dev, 5000); - pm_runtime_use_autosuspend(&pdev->dev); - pm_runtime_enable(&pdev->dev); - } - + pm_runtime_no_callbacks(&pdev->dev); + pm_runtime_set_active(&pdev->dev); + pm_runtime_enable(&pdev->dev); + pm_runtime_set_autosuspend_delay(&pdev->dev, 200); + pm_runtime_mark_last_busy(&pdev->dev); + pm_runtime_use_autosuspend(&pdev->dev); mmc_add_host(mmc); @@ -1521,11 +1542,6 @@ static int rtsx_pci_sdmmc_drv_remove(struct platform_device *pdev) pcr->slots[RTSX_SD_CARD].card_event = NULL; mmc = host->mmc; - if (pcr->rtd3_en) { - pm_runtime_dont_use_autosuspend(&pdev->dev); - pm_runtime_disable(&pdev->dev); - } - cancel_work_sync(&host->work); mutex_lock(&host->host_mutex); @@ -1548,6 +1564,9 @@ static int rtsx_pci_sdmmc_drv_remove(struct platform_device *pdev) flush_work(&host->work); + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_disable(&pdev->dev); + mmc_free_host(mmc); dev_dbg(&(pdev->dev), From patchwork Fri Jan 21 01:40:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kai-Heng Feng X-Patchwork-Id: 12719221 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6897FC433F5 for ; Fri, 21 Jan 2022 01:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244789AbiAUBlA (ORCPT ); Thu, 20 Jan 2022 20:41:00 -0500 Received: from smtp-relay-canonical-0.canonical.com ([185.125.188.120]:55570 "EHLO smtp-relay-canonical-0.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233355AbiAUBlA (ORCPT ); Thu, 20 Jan 2022 20:41:00 -0500 Received: from HP-EliteBook-840-G7.. (1-171-224-13.dynamic-ip.hinet.net [1.171.224.13]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-canonical-0.canonical.com (Postfix) with ESMTPSA id 00DFA41987; Fri, 21 Jan 2022 01:40:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1642729254; bh=laRvn2OmTykA/zR1T9VGQH/rOB/hKyOR3Nj8kVtntNM=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=O2gc8U8M31Br2gYt5pNyndWwR5DD8qiCUjI0JAAvq7Ui0rIf2BqeYSNUqE+4qxFZM 82oz8ZhmvP/b/EumH8WtuMLLzXrs54wfDY6Zg5itxL/govxynrn5g8o2bM3eP2eeyc 5eUVXTmWF+/AxcGNWyfOTdeuJByQ6h5Of6dSgdr4uGNEj9JXYtyVIfWGlxr5ZRV1gs ewSR3MtXb5poYUvMDUD5Kphc6uHMVeo0h4ubGIxdobJkcInAxuNBAxSLYu4G9kQTBE PebXyQtnBPI9fdmX+2GTAQlOM65mWLfBb0gpGRz1vfg8NqNKYUZf9YUoHprUhSdjwO FVSDT2cJCDuDg== From: Kai-Heng Feng To: arnd@arndb.de, gregkh@linuxfoundation.org, ulf.hansson@linaro.org Cc: linux-pm@vger.kernel.org, Kai-Heng Feng , Ricky WU , Christophe JAILLET , Yang Li , linux-kernel@vger.kernel.org Subject: [PATCH v2 2/4] misc: rtsx: Rework runtime power management flow Date: Fri, 21 Jan 2022 09:40:36 +0800 Message-Id: <20220121014039.1693208-1-kai.heng.feng@canonical.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220120145006.1682014-2-kai.heng.feng@canonical.com> References: <20220120145006.1682014-2-kai.heng.feng@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Commit 5b4258f6721f ("misc: rtsx: rts5249 support runtime PM") uses "rtd3_work" and "idle_work" to manage it's own runtime PM state machine. When its child device, rtsx_pci_sdmmc, uses runtime PM refcount correctly, all the additional works can be managed by generic runtime PM helpers. So consolidate "idle_work" and "rtd3_work" into generic runtime idle callback and runtime suspend callback, respectively. Fixes: 5b4258f6721f ("misc: rtsx: rts5249 support runtime PM") Cc: Ricky WU Signed-off-by: Kai-Heng Feng --- v2: - Remove unused idle_work and rtd3_work from rtsx_pcr. drivers/misc/cardreader/rtsx_pcr.c | 123 +++++++++++------------------ include/linux/rtsx_pci.h | 3 - 2 files changed, 44 insertions(+), 82 deletions(-) diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index 6ac509c1821c9..1dcf98b597569 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -152,20 +152,12 @@ void rtsx_pci_start_run(struct rtsx_pcr *pcr) if (pcr->remove_pci) return; - if (pcr->rtd3_en) - if (pcr->is_runtime_suspended) { - pm_runtime_get(&(pcr->pci->dev)); - pcr->is_runtime_suspended = false; - } - if (pcr->state != PDEV_STAT_RUN) { pcr->state = PDEV_STAT_RUN; if (pcr->ops->enable_auto_blink) pcr->ops->enable_auto_blink(pcr); rtsx_pm_full_on(pcr); } - - mod_delayed_work(system_wq, &pcr->idle_work, msecs_to_jiffies(200)); } EXPORT_SYMBOL_GPL(rtsx_pci_start_run); @@ -1094,40 +1086,6 @@ static void rtsx_pm_power_saving(struct rtsx_pcr *pcr) rtsx_comm_pm_power_saving(pcr); } -static void rtsx_pci_rtd3_work(struct work_struct *work) -{ - struct delayed_work *dwork = to_delayed_work(work); - struct rtsx_pcr *pcr = container_of(dwork, struct rtsx_pcr, rtd3_work); - - pcr_dbg(pcr, "--> %s\n", __func__); - if (!pcr->is_runtime_suspended) - pm_runtime_put(&(pcr->pci->dev)); -} - -static void rtsx_pci_idle_work(struct work_struct *work) -{ - struct delayed_work *dwork = to_delayed_work(work); - struct rtsx_pcr *pcr = container_of(dwork, struct rtsx_pcr, idle_work); - - pcr_dbg(pcr, "--> %s\n", __func__); - - mutex_lock(&pcr->pcr_mutex); - - pcr->state = PDEV_STAT_IDLE; - - if (pcr->ops->disable_auto_blink) - pcr->ops->disable_auto_blink(pcr); - if (pcr->ops->turn_off_led) - pcr->ops->turn_off_led(pcr); - - rtsx_pm_power_saving(pcr); - - mutex_unlock(&pcr->pcr_mutex); - - if (pcr->rtd3_en) - mod_delayed_work(system_wq, &pcr->rtd3_work, msecs_to_jiffies(10000)); -} - static void rtsx_base_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) { /* Set relink_time to 0 */ @@ -1598,7 +1556,6 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, pcr->card_inserted = 0; pcr->card_removed = 0; INIT_DELAYED_WORK(&pcr->carddet_work, rtsx_pci_card_detect); - INIT_DELAYED_WORK(&pcr->idle_work, rtsx_pci_idle_work); pcr->msi_en = msi_en; if (pcr->msi_en) { @@ -1623,20 +1580,16 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, rtsx_pcr_cells[i].pdata_size = sizeof(*handle); } - if (pcr->rtd3_en) { - INIT_DELAYED_WORK(&pcr->rtd3_work, rtsx_pci_rtd3_work); - pm_runtime_allow(&pcidev->dev); - pm_runtime_enable(&pcidev->dev); - pcr->is_runtime_suspended = false; - } - ret = mfd_add_devices(&pcidev->dev, pcr->id, rtsx_pcr_cells, ARRAY_SIZE(rtsx_pcr_cells), NULL, 0, NULL); if (ret < 0) goto free_slots; - schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); + if (pcr->rtd3_en) { + pm_runtime_allow(&pcidev->dev); + pm_runtime_put(&pcidev->dev); + } return 0; @@ -1668,10 +1621,11 @@ static void rtsx_pci_remove(struct pci_dev *pcidev) struct pcr_handle *handle = pci_get_drvdata(pcidev); struct rtsx_pcr *pcr = handle->pcr; - if (pcr->rtd3_en) - pm_runtime_get_noresume(&pcr->pci->dev); - pcr->remove_pci = true; + if (pcr->rtd3_en) { + pm_runtime_get_sync(&pcidev->dev); + pm_runtime_forbid(&pcidev->dev); + } /* Disable interrupts at the pcr level */ spin_lock_irq(&pcr->lock); @@ -1680,9 +1634,6 @@ static void rtsx_pci_remove(struct pci_dev *pcidev) spin_unlock_irq(&pcr->lock); cancel_delayed_work_sync(&pcr->carddet_work); - cancel_delayed_work_sync(&pcr->idle_work); - if (pcr->rtd3_en) - cancel_delayed_work_sync(&pcr->rtd3_work); mfd_remove_devices(&pcidev->dev); @@ -1700,11 +1651,6 @@ static void rtsx_pci_remove(struct pci_dev *pcidev) idr_remove(&rtsx_pci_idr, pcr->id); spin_unlock(&rtsx_pci_lock); - if (pcr->rtd3_en) { - pm_runtime_disable(&pcr->pci->dev); - pm_runtime_put_noidle(&pcr->pci->dev); - } - kfree(pcr->slots); kfree(pcr); kfree(handle); @@ -1726,7 +1672,6 @@ static int __maybe_unused rtsx_pci_suspend(struct device *dev_d) pcr = handle->pcr; cancel_delayed_work(&pcr->carddet_work); - cancel_delayed_work(&pcr->idle_work); mutex_lock(&pcr->pcr_mutex); @@ -1760,8 +1705,6 @@ static int __maybe_unused rtsx_pci_resume(struct device *dev_d) if (ret) goto out; - schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); - out: mutex_unlock(&pcr->pcr_mutex); return ret; @@ -1786,6 +1729,32 @@ static void rtsx_pci_shutdown(struct pci_dev *pcidev) pci_disable_msi(pcr->pci); } +static int rtsx_pci_runtime_idle(struct device *device) +{ + struct pci_dev *pcidev = to_pci_dev(device); + struct pcr_handle *handle = pci_get_drvdata(pcidev); + struct rtsx_pcr *pcr = handle->pcr; + + dev_dbg(device, "--> %s\n", __func__); + + mutex_lock(&pcr->pcr_mutex); + + pcr->state = PDEV_STAT_IDLE; + + if (pcr->ops->disable_auto_blink) + pcr->ops->disable_auto_blink(pcr); + if (pcr->ops->turn_off_led) + pcr->ops->turn_off_led(pcr); + + rtsx_pm_power_saving(pcr); + + mutex_unlock(&pcr->pcr_mutex); + + pm_schedule_suspend(device, 5000); + + return -EBUSY; +} + static int rtsx_pci_runtime_suspend(struct device *device) { struct pci_dev *pcidev = to_pci_dev(device); @@ -1794,31 +1763,29 @@ static int rtsx_pci_runtime_suspend(struct device *device) handle = pci_get_drvdata(pcidev); pcr = handle->pcr; - dev_dbg(&(pcidev->dev), "--> %s\n", __func__); - cancel_delayed_work(&pcr->carddet_work); - cancel_delayed_work(&pcr->rtd3_work); - cancel_delayed_work(&pcr->idle_work); + if (!pcr->rtd3_en) + return -EBUSY; + + dev_dbg(device, "--> %s\n", __func__); + + cancel_delayed_work_sync(&pcr->carddet_work); mutex_lock(&pcr->pcr_mutex); rtsx_pci_power_off(pcr, HOST_ENTER_S3); mutex_unlock(&pcr->pcr_mutex); - pcr->is_runtime_suspended = true; - return 0; } static int rtsx_pci_runtime_resume(struct device *device) { struct pci_dev *pcidev = to_pci_dev(device); - struct pcr_handle *handle; - struct rtsx_pcr *pcr; + struct pcr_handle *handle = pci_get_drvdata(pcidev); + struct rtsx_pcr *pcr = handle->pcr; - handle = pci_get_drvdata(pcidev); - pcr = handle->pcr; - dev_dbg(&(pcidev->dev), "--> %s\n", __func__); + dev_dbg(device, "--> %s\n", __func__); mutex_lock(&pcr->pcr_mutex); @@ -1834,8 +1801,6 @@ static int rtsx_pci_runtime_resume(struct device *device) pcr->slots[RTSX_SD_CARD].p_dev); } - schedule_delayed_work(&pcr->idle_work, msecs_to_jiffies(200)); - mutex_unlock(&pcr->pcr_mutex); return 0; } @@ -1850,7 +1815,7 @@ static int rtsx_pci_runtime_resume(struct device *device) static const struct dev_pm_ops rtsx_pci_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(rtsx_pci_suspend, rtsx_pci_resume) - SET_RUNTIME_PM_OPS(rtsx_pci_runtime_suspend, rtsx_pci_runtime_resume, NULL) + SET_RUNTIME_PM_OPS(rtsx_pci_runtime_suspend, rtsx_pci_runtime_resume, rtsx_pci_runtime_idle) }; static struct pci_driver rtsx_pci_driver = { diff --git a/include/linux/rtsx_pci.h b/include/linux/rtsx_pci.h index 4ab7bfc675f11..89b7d34e25b63 100644 --- a/include/linux/rtsx_pci.h +++ b/include/linux/rtsx_pci.h @@ -1201,8 +1201,6 @@ struct rtsx_pcr { unsigned int card_exist; struct delayed_work carddet_work; - struct delayed_work idle_work; - struct delayed_work rtd3_work; spinlock_t lock; struct mutex pcr_mutex; @@ -1212,7 +1210,6 @@ struct rtsx_pcr { unsigned int cur_clock; bool remove_pci; bool msi_en; - bool is_runtime_suspended; #define EXTRA_CAPS_SD_SDR50 (1 << 0) #define EXTRA_CAPS_SD_SDR104 (1 << 1)