On Thu, 2 Jun 2022 at 15:26, Chevron Li <chevron.li@xxxxxxxxxxxxxx> wrote: > > 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> Applied for fixes, by adding a fixes+stable tag, thanks! Kind regards Uffe > --- > 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 >
