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From:   Sowjanya Komatineni <skomatineni@nvidia.com>
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
Cc:     skomatineni@nvidia.com, 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:   Tue, 10 Mar 2020 17:20:30 -0700
Message-Id: <1583886030-11339-2-git-send-email-skomatineni@nvidia.com>
In-Reply-To: <1583886030-11339-1-git-send-email-skomatineni@nvidia.com>
References: <1583886030-11339-1-git-send-email-skomatineni@nvidia.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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 <skomatineni@nvidia.com>
---
 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;
 
-- 
2.7.4