get_cd result is uncorrect during card detect debouncing we need to wait card detect stable before return get_cd result Signed-off-by: Chevron Li<chevron.li@xxxxxxxxxxxxxx> --- change in V1: add wait card detect stable logical before return card detect result. --- drivers/mmc/host/sdhci-pci-o2micro.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci-o2micro.c b/drivers/mmc/host/sdhci-pci-o2micro.c index 92c20cb8074a..0d4d343dbb77 100644 --- a/drivers/mmc/host/sdhci-pci-o2micro.c +++ b/drivers/mmc/host/sdhci-pci-o2micro.c @@ -152,6 +152,8 @@ static int sdhci_o2_get_cd(struct mmc_host *mmc) if (!(sdhci_readw(host, O2_PLL_DLL_WDT_CONTROL1) & O2_PLL_LOCK_STATUS)) sdhci_o2_enable_internal_clock(host); + else + sdhci_o2_wait_card_detect_stable(host); return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); } base-commit: d1dc87763f406d4e67caf16dbe438a5647692395 -- 2.32.0
