On 12/05/19 8:04 PM, S-k, Shyam-sundar wrote: > On 5/2/2019 12:02 PM, Adrian Hunter wrote: >> Cc: some AMD people >> >> On 1/05/19 8:54 PM, Raul E Rangel wrote: >>> AMD SDHC 0x7906 requires a hard reset to clear all internal state. >>> Otherwise it can get into a bad state where the DATA lines are always >>> read as zeros. >>> >>> This change requires firmware that can transition the device into >>> D3Cold for it to work correctly. If the firmware does not support >>> transitioning to D3Cold then the power state transitions are a no-op. >>> >>> Signed-off-by: Raul E Rangel <rrangel@xxxxxxxxxxxx> > Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx> > Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
