From patchwork Wed May 25 01:51:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?QXhlIFlhbmcgKOadqOejiik=?= X-Patchwork-Id: 12860673 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0640AC433F5 for ; Wed, 25 May 2022 01:52:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; 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Tue, 24 May 2022 18:52:13 -0700 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 24 May 2022 18:51:44 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 25 May 2022 09:51:43 +0800 Received: from localhost.localdomain (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.792.3 via Frontend Transport; Wed, 25 May 2022 09:51:42 +0800 From: Axe Yang To: Ulf Hansson , Rob Herring , Chaotian Jing , Matthias Brugger , Adrian Hunter CC: Yoshihiro Shimoda , Satya Tangirala , Andy Shevchenko , Wolfram Sang , Axe Yang , Lucas Stach , Eric Biggers , Andrew Jeffery , Stephen Boyd , Kiwoong Kim , Yue Hu , Tian Tao , , , , , , , Subject: [RESEND v12 0/3] mmc: mediatek: add support for SDIO async IRQ Date: Wed, 25 May 2022 09:51:37 +0800 Message-ID: <20220525015140.384-1-axe.yang@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220524_185218_348636_1D9C0C0F X-CRM114-Status: GOOD ( 13.49 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Changes in v12: - assign NULL to pins_eint directly instead of using kfree() Changes in v11: - remove '_irq' suffix in interrupts-names property - fix yaml example build error - refactor msdc_enable_sdio_irq(), free pins_eint if async irq is not supported Changes in v10: - add sample node for SDIO host which support wakeup interrupt in yaml - skip MMC_PM_WAKE_SDIO_IRQ check before enable SDIO async interrupt - add MMC_PM_KEEP_POWER check before SDIO eint pinstate parsing - use dev_pm_set_dedicated_wake_irq_reverse() to correct irq control sequence - set dedicated irq in msdc_enable_sdio_irq() rather than msdc_drv_probe() - remove unnecessary wake irq control, rpm/dpm system shall manage that - move wake irq/msdc irq control back to system suspend phase, use rpm_suspend and rpm_resume to ensure irq control sequence: disable msdc irq -> enable wake irq -> disable wake irq -> enable msdc irq - simplify variables, check pins_eint to know whether wakeup settings are managed Changes in v9: - remove pinctrl "state_dat1" Changes in v8: - remove maxItems property under pinctrl-names property Changes in v7: - add device_init_wakeup() to register SDIO host as wakeup source Changes in v6: - abandon cap-sdio-async-irq flag, use wakeup-source flag instead - extend interrupts and pinctrls in mediatek mmc host controller DT documents - add mmc_card_enable_async_irq() to access enable_async_irq flag - simplify wakeup irq implementation with dedicate wake up irq related interface Changes in v5: - resort variables to reversed xmas tree order - restore old copyright year range and add current year back Changes in v4: - add MMC_CAP2_SDIO_ASYNC_IRQ judge before lookup eint pinctrl - replace spin_lock_irqsave() variant with spin_lock() in eint irq handler Changes in v3: - correct abbreviations with capital letters in commit message - replace copyright year with 2022 in mtk-sd.c - remove unnessary pointer casting - adjust variable order to reversed xmas tree - remove a redundant blank line - refine if statement, following standard pattern Changes in v2: - change flag name from 'cap-sdio-async-int' to 'cap-sdio-async-irq' - change corresponding macro names from xxx_INT to xxx_IRQ - resort new member in msdc_host structure - refine function msdc_request_dat1_eint_irq() - rename msdc_{suspend,resume} function names, add suffix '_noirq' - add MMC_CAP2_NO_SDIO judgement before parse eint related pin setting Axe Yang (3): dt-bindings: mmc: mtk-sd: extend interrupts and pinctrls properties mmc: core: Add support for SDIO wakeup interrupt mmc: mediatek: add support for SDIO eint wakup IRQ .../devicetree/bindings/mmc/mtk-sd.yaml | 50 +++++++++++- drivers/mmc/core/sdio.c | 14 ++++ drivers/mmc/host/mtk-sd.c | 80 +++++++++++++++++-- include/linux/mmc/card.h | 8 +- include/linux/mmc/sdio.h | 5 ++ 5 files changed, 149 insertions(+), 8 deletions(-)