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>