linux-kernel - [PATCH v2 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE

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Message-Id: <1583916962-9467-2-git-send-email-skomatineni@nvidia.com>
Date:   Wed, 11 Mar 2020 01:56:02 -0700
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     adrian.hunter@...el.com, ulf.hansson@...aro.org,
        baolin.wang@...aro.org, kstewart@...uxfoundation.org,
        tglx@...utronix.de, bradleybolen@...il.com,
        gregkh@...uxfoundation.org, thierry.reding@...il.com,
        jonathanh@...dia.com, skomatineni@...dia.com
Cc:     anrao@...dia.com, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org
Subject: [PATCH v2 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability

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@...dia.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