linux-kernel - [PATCH 5.5.18 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE

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Date:   Wed, 22 Apr 2020 09:32:58 -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 5.5.18 2/2] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability

commit ff124c31ccd7
("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.

Cc: <stable@...r.kernel.org>
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