From patchwork Tue Nov 19 13:35:44 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 11251969 X-Patchwork-Delegate: pavel@denx.de 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 783BF13A4 for ; Tue, 19 Nov 2019 13:42:53 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (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 604A42230B for ; Tue, 19 Nov 2019 13:42:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 604A42230B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bp.renesas.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=cip-dev-bounces@lists.cip-project.org Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 3FDC32280C; Tue, 19 Nov 2019 13:42:53 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 909Phamcklcg; Tue, 19 Nov 2019 13:42:52 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by silver.osuosl.org (Postfix) with ESMTP id 7A9E322786; Tue, 19 Nov 2019 13:42:52 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 69431C07AC; Tue, 19 Nov 2019 13:42:52 +0000 (UTC) X-Original-To: cip-dev@lists.cip-project.org Delivered-To: cip-dev@lists.linuxfoundation.org Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 261B2C07AC for ; Tue, 19 Nov 2019 13:42:51 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 1CF5B8835D for ; Tue, 19 Nov 2019 13:42:51 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2ZWcEuLccq2W for ; Tue, 19 Nov 2019 13:42:49 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by hemlock.osuosl.org (Postfix) with ESMTP id DCFB388360 for ; Tue, 19 Nov 2019 13:42:48 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.68,324,1569250800"; d="scan'208";a="31880893" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 19 Nov 2019 22:37:46 +0900 Received: from be1yocto.ree.adwin.renesas.com (unknown [172.29.43.62]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 10F414226B0B; Tue, 19 Nov 2019 22:37:44 +0900 (JST) From: Biju Das To: cip-dev@lists.cip-project.org, Nobuhiro Iwamatsu , Pavel Machek Date: Tue, 19 Nov 2019 13:35:44 +0000 Message-Id: <1574170570-15179-6-git-send-email-biju.das@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1574170570-15179-1-git-send-email-biju.das@bp.renesas.com> References: <1574170570-15179-1-git-send-email-biju.das@bp.renesas.com> Cc: Biju Das Subject: [cip-dev] [PATCH 4.4.y-cip 05/31] mmc: tmio: Add hw reset support X-BeenThere: cip-dev@lists.cip-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: cip-dev-bounces@lists.cip-project.org Sender: "cip-dev" From: Ai Kyuse commit e8f36b5d3b54a49df02c950050659a5082e2c880 upstream. Add hw reset support. Signed-off-by: Ai Kyuse Signed-off-by: Simon Horman Acked-by: Wolfram Sang Tested-by: Wolfram Sang Signed-off-by: Ulf Hansson Signed-off-by: Biju Das --- drivers/mmc/host/tmio_mmc.h | 1 + drivers/mmc/host/tmio_mmc_pio.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index d3d24e1..8b4869e 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -167,6 +167,7 @@ struct tmio_mmc_host { int (*start_signal_voltage_switch)(struct mmc_host *mmc, struct mmc_ios *ios); int (*write16_hook)(struct tmio_mmc_host *host, int addr); + void (*hw_reset)(struct tmio_mmc_host *host); }; struct tmio_mmc_host *tmio_mmc_host_alloc(struct platform_device *pdev); diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 0775a19..8bc2ab6 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -791,6 +791,14 @@ static int tmio_mmc_start_data(struct tmio_mmc_host *host, return 0; } +static void tmio_mmc_hw_reset(struct mmc_host *mmc) +{ + struct tmio_mmc_host *host = mmc_priv(mmc); + + if (host->hw_reset) + host->hw_reset(host); +} + /* Process requests from the MMC layer */ static void tmio_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq) { @@ -1007,6 +1015,7 @@ static struct mmc_host_ops tmio_mmc_ops = { .get_cd = mmc_gpio_get_cd, .enable_sdio_irq = tmio_mmc_enable_sdio_irq, .multi_io_quirk = tmio_multi_io_quirk, + .hw_reset = tmio_mmc_hw_reset, }; static int tmio_mmc_init_ocr(struct tmio_mmc_host *host)