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>, <skomatineni@nvidia.com>
Cc: <anrao@nvidia.com>, <linux-tegra@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-mmc@vger.kernel.org>,
<stable@vger.kernel.org>
Subject: [PATCH 4.19.113 3/3] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability
Date: Fri, 24 Apr 2020 13:06:52 -0700 [thread overview]
Message-ID: <1587758812-3331-4-git-send-email-skomatineni@nvidia.com> (raw)
In-Reply-To: <1587758812-3331-1-git-send-email-skomatineni@nvidia.com>
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@vger.kernel.org>
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 0f4de73..fde1f3b 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -529,6 +529,8 @@ 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
next prev parent reply other threads:[~2020-04-24 20:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-24 20:06 [PATCH 4.19.113 0/3] Fix for long operation cmds busy detection Sowjanya Komatineni
2020-04-24 20:06 ` [PATCH 4.19.113 1/3] mmc: sdhci: Refactor sdhci_set_timeout() Sowjanya Komatineni
2020-04-24 20:06 ` [PATCH 4.19.113 2/3] sdhci: tegra: Implement Tegra specific set_timeout callback Sowjanya Komatineni
2020-04-24 20:06 ` Sowjanya Komatineni [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-04-17 19:14 [PATCH 4.19.113 0/3] Fix for long operation cmds busy detection Sowjanya Komatineni
2020-04-17 19:14 ` [PATCH 4.19.113 3/3] sdhci: tegra: Enable MMC_CAP_WAIT_WHILE_BUSY host capability Sowjanya Komatineni
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