diff mbox series

[V2,1/3] mmc: sdhci-msm: Enable host capabilities pertains to R1b response

Message ID 1587363626-20413-2-git-send-email-vbadigan@codeaurora.org
State New
Headers show
Series [V2,1/3] mmc: sdhci-msm: Enable host capabilities pertains to R1b response | expand

Commit Message

Veerabhadrarao Badiganti April 20, 2020, 6:20 a.m. UTC 
MSM sd host controller is capable of HW busy detection of device busy
signaling over DAT0 line. And it requires the R1B response for
commands that have this response associated with them.

So set the below two host capabilities for qcom SDHC.
	- MMC_CAP_WAIT_WHILE_BUSY
	- MMC_CAP_NEED_RSP_BUSY

Cc: <stable@vger.kernel.org> # v4.19+
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
---
 drivers/mmc/host/sdhci-msm.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 09ff731..d826e9b 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -2087,6 +2087,9 @@  static int sdhci_msm_probe(struct platform_device *pdev)
 		goto clk_disable;
 	}
 
+	msm_host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
+	msm_host->mmc->caps |= MMC_CAP_NEED_RSP_BUSY;
+
 	pm_runtime_get_noresume(&pdev->dev);
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);