Message ID | 96f16647f6a6e8cb058c44e46c61b122df027059.1582535202.git.baolin.wang7@gmail.com |
---|---|
State | New |
Headers | show |
Series | mmc: host: sdhci-sprd: Set the missing MMC_CAP_WAIT_WHILE_BUSY flag | expand |
diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c index d346223..2ab42c5 100644 --- a/drivers/mmc/host/sdhci-sprd.c +++ b/drivers/mmc/host/sdhci-sprd.c @@ -556,7 +556,7 @@ static int sdhci_sprd_probe(struct platform_device *pdev) sdhci_sprd_voltage_switch; host->mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED | - MMC_CAP_ERASE | MMC_CAP_CMD23; + MMC_CAP_ERASE | MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY; ret = mmc_of_parse(host->mmc); if (ret) goto pltfm_free;
The Spreadtrum host controller supports HW busy detection for I/O operations, which means when the host gets a transfer complete event, that always indicates the busy signal is released. Thus we can set the MMC_CAP_WAIT_WHILE_BUSY flag to remove some redundant software busy polling. Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> --- drivers/mmc/host/sdhci-sprd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)