linux-kernel - [PATCH] mmc: sdhci-of-dwcmshc: set MMC_CAP_WAIT_WHILE

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Message-ID: <20210324154703.69f97fde@xhacker.debian>
Date:   Wed, 24 Mar 2021 15:47:21 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] mmc: sdhci-of-dwcmshc: set MMC_CAP_WAIT_WHILE_BUSY

The host supports HW busy detection of the device busy signaling over
dat0 line. Set MMC_CAP_wAIT_WHILE_BUSY host capability.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 06873686d5e9..b6ceb1b92b3f 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -393,6 +393,8 @@ static int dwcmshc_probe(struct platform_device *pdev)
 			goto err_clk;
 	}
 
+	host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
+
 	err = sdhci_add_host(host);
 	if (err)
 		goto err_clk;
-- 
2.31.0