From patchwork Wed Mar 11 08:56:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 11435769 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 8A18092C for ; Fri, 13 Mar 2020 01:11:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7423C20737 for ; Fri, 13 Mar 2020 01:11:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727297AbgCMBL3 (ORCPT ); Thu, 12 Mar 2020 21:11:29 -0400 Received: from 97-93-29-23.dhcp.snlo.ca.charter.com ([97.93.29.23]:54466 "EHLO skomatineni-linux.nvidia.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727161AbgCMBL2 (ORCPT ); Thu, 12 Mar 2020 21:11:28 -0400 Received: by skomatineni-linux.nvidia.com (Postfix, from userid 1000) id 61C19104008B; Wed, 11 Mar 2020 01:56:04 -0700 (PDT) From: Sowjanya Komatineni To: adrian.hunter@intel.com, ulf.hansson@linaro.org, baolin.wang@linaro.org, kstewart@linuxfoundation.org, tglx@linutronix.de, bradleybolen@gmail.com, gregkh@linuxfoundation.org, thierry.reding@gmail.com, jonathanh@nvidia.com, skomatineni@nvidia.com Cc: anrao@nvidia.com, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org Subject: [PATCH v2 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability Date: Wed, 11 Mar 2020 01:56:02 -0700 Message-Id: <1583916962-9467-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1583916962-9467-1-git-send-email-skomatineni@nvidia.com> References: <1583916962-9467-1-git-send-email-skomatineni@nvidia.com> Sender: linux-mmc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Tegra sdhci host supports HW busy detection of the device busy signaling over data0 lane. So, this patch enables host capability MMC_CAP_wAIT_WHILE_BUSY. Signed-off-by: Sowjanya Komatineni --- drivers/mmc/host/sdhci-tegra.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index fa8f6a4..1c381f8 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -1580,6 +1580,8 @@ static int sdhci_tegra_probe(struct platform_device *pdev) if (rc) goto err_parse_dt; + host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; + if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50) host->mmc->caps |= MMC_CAP_1_8V_DDR;