From patchwork Fri Mar 4 13:51:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yann Gautier X-Patchwork-Id: 548441 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 21994C4167B for ; Fri, 4 Mar 2022 13:52:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236496AbiCDNxb (ORCPT ); Fri, 4 Mar 2022 08:53:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38104 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235016AbiCDNx2 (ORCPT ); Fri, 4 Mar 2022 08:53:28 -0500 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 778C73E0DA; Fri, 4 Mar 2022 05:52:37 -0800 (PST) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 224C7LfC026984; Fri, 4 Mar 2022 14:51:47 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=selector1; bh=9JE03u4sfdT0zvRoo95MCiqvaB33/YInHqU6AdtpVKc=; b=dk7XRLbqWXKacTDClup5Bgfmh3YJc5ZrIRf2U3JOp5LzHZ9H45c7s5M+YjJ4JqEyOBv+ FVjYeOSsJ03uxz16/x/fzLRtIRldCRwsIoWSdBnIbfjIq+wqBrUYmMNgh6LYrgan8AVs rbX8MEZVM2cO+PC/R7GRSwJ3xZolrf+f8ST9oe3HkMHJbUbAnJYoQ7S8bgrtcUyQ+Pe+ 2JNUIoofngkeb/orgBeAZ6O8CF97wUvKNWtfbmpCCAC7l6jei2mZv6d28R9+C4VwKb08 4kENr9i9/P/kjRIcO4WYCHOwH2D0Xus8KcnvsTzMSBPIEXelEe0s2DeXaou14tXjxTrf pA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3ek4jxd558-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 04 Mar 2022 14:51:47 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 01BF610002A; Fri, 4 Mar 2022 14:51:42 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id D4A96222CBE; Fri, 4 Mar 2022 14:51:42 +0100 (CET) Received: from localhost (10.75.127.46) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 4 Mar 2022 14:51:42 +0100 From: Yann Gautier To: Rob Herring , Ulf Hansson CC: , , , , , Alexandre Torgue , Christophe Kerello , Linus Walleij , Ludovic Barre , Maxime Coquelin , Philipp Zabel , Russell King , Marek Vasut , , Manivannan Sadhasivam , Grzegorz Szymaszek , Yann Gautier Subject: [PATCH 0/3] mmc: mmci: stm32: updates for SDIO Date: Fri, 4 Mar 2022 14:51:31 +0100 Message-ID: <20220304135134.47827-1-yann.gautier@foss.st.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-04_06,2022-03-04_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org To properly manage SDIO on STM32 variant of PL18x, we cannot have DMA Linked Lists enable. As it has to be disabled during probe sequence, we cannot wait until we have communicated with the SDIO chip. This should then be done through a DT property. The MMC_PM_KEEP_POWER should also be disabled on STM32MP157x-DK2 board as the clock used for wifi is not always-on. Yann Gautier (3): dt-bindings: mmc: mmci: add a property to disable DMA LLI mmc: mmci: stm32: manage st,disable-dma-lli property mmc: mmci: manage MMC_PM_KEEP_POWER per variant config Documentation/devicetree/bindings/mmc/arm,pl18x.yaml | 5 +++++ drivers/mmc/host/mmci.c | 5 ++++- drivers/mmc/host/mmci.h | 1 + drivers/mmc/host/mmci_stm32_sdmmc.c | 10 ++++++++-- 4 files changed, 18 insertions(+), 3 deletions(-)