From patchwork Tue Apr 26 09:10:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasarao Pathipati X-Patchwork-Id: 567387 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 A8F59C433F5 for ; Tue, 26 Apr 2022 09:51:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236183AbiDZJyY (ORCPT ); Tue, 26 Apr 2022 05:54:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347569AbiDZJxi (ORCPT ); Tue, 26 Apr 2022 05:53:38 -0400 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B72672981A; Tue, 26 Apr 2022 02:10:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1650964242; x=1682500242; h=from:to:cc:subject:date:message-id; bh=+p40Cvh2hhSxVfAPCJZpYYJuBDaizdr/QFl0LujIiyQ=; b=y1OMGka4EBLJIHT6oDWaoQuh1qamXXwi234qTk3eLdV9AldtHw5OuLsV yL7Pni4OYSLMgsUsFkFVWZCR8e/dAKv0H57S8bcHgFEWzaPvxU1fv4N1c R/ihdMUEgf/B1XGyORS6x720HNeFoXNVm9DgPg7y6t6K1TFjtnYYGKn28 Q=; Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 26 Apr 2022 02:10:42 -0700 X-QCInternal: smtphost Received: from ironmsg02-blr.qualcomm.com ([10.86.208.131]) by ironmsg08-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 26 Apr 2022 02:10:40 -0700 X-QCInternal: smtphost Received: from hu-c-spathi-hyd.qualcomm.com (HELO hu-sgudaval-hyd.qualcomm.com) ([10.213.108.59]) by ironmsg02-blr.qualcomm.com with ESMTP; 26 Apr 2022 14:40:28 +0530 Received: by hu-sgudaval-hyd.qualcomm.com (Postfix, from userid 212714) id B262D3AE1; Tue, 26 Apr 2022 14:40:27 +0530 (+0530) From: Srinivasarao Pathipati To: ulf.hansson@linaro.org, u.kleine-koenig@pengutronix.de, YehezkelShB@gmail.com, rmk+kernel@armlinux.org.uk, t.scherer@eckelmann.de, s.shtylyov@omp.ru, sensor1010@163.com, sartgarg@codeaurora.org, hns@goldelico.com, uic_kamasali@quicinc.com, quic_spathi@quicinc.com, tiantao6@hisilicon.com, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kamasali Subject: [PATCH V1] mmc: sdhci-msm: Add wakeup functionality support for sdio cards Date: Tue, 26 Apr 2022 14:40:25 +0530 Message-Id: <1650964225-6705-1-git-send-email-quic_spathi@quicinc.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org From: Sarthak Garg This adds external GPIO wakeup support to sdhci-msm driver for sdio cards. Also enables clk gating only in system Suspend/Resume for SDIO card. Also add the below fixes from 4.9 kernel : c363224b: Fix wakeup functionality for SDIO 61fc5bf6: Remove flag MMC_PM_WAKE_SDIO_IRQ in mmc_resume_host a7a2a82e: Set sdio_pending_processing default state to false. Signed-off-by: Sarthak Garg Signed-off-by: kamasali Signed-off-by: Srinivasarao Pathipati --- drivers/mmc/core/bus.c | 7 +++++++ drivers/mmc/core/sdio.c | 1 + 2 files changed, 8 insertions(+) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 58a60af..a475fe1 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -364,6 +364,13 @@ int mmc_add_card(struct mmc_card *card) #endif card->dev.of_node = mmc_of_find_child_device(card->host, 0); + if (mmc_card_sdio(card)) { + ret = device_init_wakeup(&card->dev, true); + if (ret) + pr_err("%s: %s: failed to init wakeup: %d\n", + mmc_hostname(card->host), __func__, ret); + } + device_enable_async_suspend(&card->dev); ret = device_add(&card->dev); diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 25799ac..9502318 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -1096,6 +1096,7 @@ static int mmc_sdio_resume(struct mmc_host *host) mmc_release_host(host); host->pm_flags &= ~MMC_PM_KEEP_POWER; + host->pm_flags &= ~MMC_PM_WAKE_SDIO_IRQ; return err; }