Re: [PATCH] mmc: sdhci_am654: Add workaround for card detect debounce timer

2020-08-05 Thread Faiz Abbas

Re: [PATCH] mmc: sdhci_am654: Add workaround for card detect debounce timer

2020-08-05 Thread Adrian Hunter
On 5/08/20 11:22 am, Faiz Abbas wrote: > Hi Adrian, > > On 05/08/20 1:44 pm, Adrian Hunter wrote: >> On 30/07/20 2:41 am, Faiz Abbas wrote: >>> There is a one time delay because of a card detect debounce timer in the >>> controller IP. This timer runs as soon as power is applied to the module >>>

Re: [PATCH] mmc: sdhci_am654: Add workaround for card detect debounce timer

2020-08-05 Thread Faiz Abbas
Hi Adrian, On 05/08/20 1:44 pm, Adrian Hunter wrote: > On 30/07/20 2:41 am, Faiz Abbas wrote: >> There is a one time delay because of a card detect debounce timer in the >> controller IP. This timer runs as soon as power is applied to the module >> regardless of whether a card is present or not

Re: [PATCH] mmc: sdhci_am654: Add workaround for card detect debounce timer

2020-08-05 Thread Adrian Hunter
On 30/07/20 2:41 am, Faiz Abbas wrote: > There is a one time delay because of a card detect debounce timer in the > controller IP. This timer runs as soon as power is applied to the module > regardless of whether a card is present or not and any writes to > SDHCI_POWER_ON will return 0 before it

[PATCH] mmc: sdhci_am654: Add workaround for card detect debounce timer

2020-07-29 Thread Faiz Abbas
There is a one time delay because of a card detect debounce timer in the controller IP. This timer runs as soon as power is applied to the module regardless of whether a card is present or not and any writes to SDHCI_POWER_ON will return 0 before it expires. This timeout has been measured to be