From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH 24/25] mmc: sdhci-pci: Add runtime suspend/resume callbacks Date: Mon, 20 Mar 2017 19:50:52 +0200 Message-ID: <1490032253-6030-25-git-send-email-adrian.hunter@intel.com> References: <1490032253-6030-1-git-send-email-adrian.hunter@intel.com> Return-path: Received: from mga04.intel.com ([192.55.52.120]:65242 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756246AbdCTR6p (ORCPT ); Mon, 20 Mar 2017 13:58:45 -0400 In-Reply-To: <1490032253-6030-1-git-send-email-adrian.hunter@intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ulf Hansson Cc: linux-mmc , Al Cooper , Jaedon Shin , Haibo Chen , Dong Aisheng , Shawn Lin , Douglas Anderson , Zach Brown , Ludovic Desroches , Jisheng Zhang , Yangbo Lu , Jaehoon Chung , Weijun Yang , Barry Song , Peter Griffin , Lee Jones , Jon Hunter , Harjani Ritesh Add runtime suspend/resume callbacks to match suspend/resume callbacks. Signed-off-by: Adrian Hunter --- drivers/mmc/host/sdhci-pci-core.c | 98 +++++++++++++++++++++++---------------- drivers/mmc/host/sdhci-pci.h | 4 ++ 2 files changed, 62 insertions(+), 40 deletions(-) diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 5ed8369704fd..d9a38c53e2ba 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -119,6 +119,56 @@ int sdhci_pci_resume_host(struct sdhci_pci_chip *chip) } #endif +#ifdef CONFIG_PM +static int sdhci_pci_runtime_suspend_host(struct sdhci_pci_chip *chip) +{ + struct sdhci_pci_slot *slot; + struct sdhci_host *host; + int i, ret; + + for (i = 0; i < chip->num_slots; i++) { + slot = chip->slots[i]; + if (!slot) + continue; + + host = slot->host; + + ret = sdhci_runtime_suspend_host(host); + if (ret) + goto err_pci_runtime_suspend; + + if (chip->rpm_retune && + host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + } + + return 0; + +err_pci_runtime_suspend: + while (--i >= 0) + sdhci_runtime_resume_host(chip->slots[i]->host); + return ret; +} + +static int sdhci_pci_runtime_resume_host(struct sdhci_pci_chip *chip) +{ + struct sdhci_pci_slot *slot; + int i, ret; + + for (i = 0; i < chip->num_slots; i++) { + slot = chip->slots[i]; + if (!slot) + continue; + + ret = sdhci_runtime_resume_host(slot->host); + if (ret) + return ret; + } + + return 0; +} +#endif + /*****************************************************************************\ * * * Hardware specific quirk handling * @@ -1796,61 +1846,29 @@ static int sdhci_pci_resume(struct device *dev) static int sdhci_pci_runtime_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - struct sdhci_pci_chip *chip; - struct sdhci_pci_slot *slot; - struct sdhci_host *host; - int i, ret; + struct sdhci_pci_chip *chip = pci_get_drvdata(pdev); - chip = pci_get_drvdata(pdev); if (!chip) return 0; - for (i = 0; i < chip->num_slots; i++) { - slot = chip->slots[i]; - if (!slot) - continue; - - host = slot->host; - - ret = sdhci_runtime_suspend_host(host); - if (ret) - goto err_pci_runtime_suspend; - - if (chip->rpm_retune && - host->tuning_mode != SDHCI_TUNING_MODE_3) - mmc_retune_needed(host->mmc); - } - - return 0; + if (chip->fixes && chip->fixes->runtime_suspend) + return chip->fixes->runtime_suspend(chip); -err_pci_runtime_suspend: - while (--i >= 0) - sdhci_runtime_resume_host(chip->slots[i]->host); - return ret; + return sdhci_pci_runtime_suspend_host(chip); } static int sdhci_pci_runtime_resume(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); - struct sdhci_pci_chip *chip; - struct sdhci_pci_slot *slot; - int i, ret; + struct sdhci_pci_chip *chip = pci_get_drvdata(pdev); - chip = pci_get_drvdata(pdev); if (!chip) return 0; - for (i = 0; i < chip->num_slots; i++) { - slot = chip->slots[i]; - if (!slot) - continue; + if (chip->fixes && chip->fixes->runtime_resume) + return chip->fixes->runtime_resume(chip); - ret = sdhci_runtime_resume_host(slot->host); - if (ret) - return ret; - } - - return 0; + return sdhci_pci_runtime_resume_host(chip); } #endif diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index ec8f91c403d6..37766d20a600 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -71,6 +71,10 @@ struct sdhci_pci_fixes { int (*suspend) (struct sdhci_pci_chip *); int (*resume) (struct sdhci_pci_chip *); #endif +#ifdef CONFIG_PM + int (*runtime_suspend) (struct sdhci_pci_chip *); + int (*runtime_resume) (struct sdhci_pci_chip *); +#endif const struct sdhci_ops *ops; size_t priv_size; -- 1.9.1