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 --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);