Commit ff124c31 authored Mar 11, 2020 by Sowjanya Komatineni Committed by Ulf Hansson Mar 24, 2020

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@nvidia.com>
Link: https://lore.kernel.org/r/1583941675-9884-2-git-send-email-skomatineni@nvidia.com


[Ulf: Lumped together the caps assignments]
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent 5e958e4a

drivers/mmc/host/sdhci-tegra.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1583,8 +1583,8 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
		if (tegra_host->soc_data->nvquirks & NVQUIRK_ENABLE_DDR50)
		host->mmc->caps \|= MMC_CAP_1_8V_DDR;

		/* R1B responses is required to properly manage HW busy detection. */
		host->mmc->caps \|= MMC_CAP_NEED_RSP_BUSY;
		/* HW busy detection is supported, but R1B responses are required. */
		host->mmc->caps \|= MMC_CAP_WAIT_WHILE_BUSY \| MMC_CAP_NEED_RSP_BUSY;

		tegra_sdhci_parse_dt(host);

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