From patchwork Fri Mar 6 10:38:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11423515 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2661B14BC for ; Fri, 6 Mar 2020 10:41:31 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 04EE82072D for ; Fri, 6 Mar 2020 10:41:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="V513pRUf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 04EE82072D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KEtCaVbC/dgd9MxXNyeKIvfLxmBN/Tg5ADoGFwc45ck=; b=V513pRUfWaoMkZ qqhEZhOtT3iTYt2R+2PxX1nPngaOe45onkY4KbOyPzBVuJmyT4H2EIQ96+kruxp5qms5snw/uTYYs 2A8WQeQ+qgYRflvtUF07oR/Wg72y5TYOeGmMly6pdKH9fgd9BhV39odffUODVR1jICDwK5dFdZcnd G/hUqBQa/S+vBXa3Yf86ukH+BAKRqzT7wdi3GWre4rSulzHPYEX6inDQPGjvCtUVq9w9Z0xChepUI 6PTAPmOnFO5xQE4A8vqLfWSCRnPSuE4aLcq19UkhsVYuyHpYFgcH02iPa8t0SVUzWKiD1VrDLHHxv BNTU1EFuEO9CEdH07GRg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jAAQ4-000387-9v; Fri, 06 Mar 2020 10:41:28 +0000 Received: from mx2.suse.de ([195.135.220.15]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jAAO3-0007yG-1R; Fri, 06 Mar 2020 10:39:26 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id ABC6EAC46; Fri, 6 Mar 2020 10:39:20 +0000 (UTC) From: Nicolas Saenz Julienne To: devicetree@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Adrian Hunter Subject: [PATCH 01/10] mmc: sdhci: Add quirk SDHCI_QUIRK2_SET_BUS_VOLTAGE Date: Fri, 6 Mar 2020 11:38:46 +0100 Message-Id: <20200306103857.23962-2-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200306103857.23962-1-nsaenzjulienne@suse.de> References: <20200306103857.23962-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200306_023923_290306_A00BD225 X-CRM114-Status: GOOD ( 10.25 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.0 RCVD_IN_MSPIKE_H3 RBL: Good reputation (+3) [195.135.220.15 listed in wl.mailspike.net] -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [195.135.220.15 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ulf.hansson@linaro.org, f.fainelli@gmail.com, phil@raspberrypi.org, linux-kernel@vger.kernel.org, Nicolas Saenz Julienne Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Adds quirk for controllers whose bus power select register has to be set even when powering SD cards from a regulator. Signed-off-by: Nicolas Saenz Julienne --- drivers/mmc/host/sdhci.c | 5 +++++ drivers/mmc/host/sdhci.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c59566363a42..c7fd87447457 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1920,6 +1920,11 @@ static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + if (host->quirks2 & SDHCI_QUIRK2_SET_BUS_VOLTAGE) { + sdhci_set_power_noreg(host, mode, vdd); + return; + } + if (mode != MMC_POWER_OFF) sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); else diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index cac2d97782e6..9531a4e5b148 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -484,6 +484,8 @@ struct sdhci_host { * block count. */ #define SDHCI_QUIRK2_USE_32BIT_BLK_CNT (1<<18) +/* Set bus voltage even when powering from an external regulator */ +#define SDHCI_QUIRK2_SET_BUS_VOLTAGE (1<<19) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */