Re: [PATCH] mmc: rtsx: add 74 Clocks in power on flow

On Tue, May 10, 2022 at 12:09:45PM +0000, Christian Löhle wrote:

...

commit 1f311c94aabd ("mmc: rtsx: add 74 Clocks in power on flow") upstream.

SD spec definition: "Host provides at least 74 Clocks before issuing first command" After 1ms for the voltage stable then start issuing the Clock signals

if POWER STATE is MMC_POWER_OFF to MMC_POWER_UP to issue Clock signal to card MMC_POWER_UP to MMC_POWER_ON to stop issuing signal to card

Signed-off-by: Ricky Wu ricky_wu@realtek.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Christian Loehle cloehle@hyperstone.com

Based on 5.10.y, applies to all down to 4.9.y=

It breaks the build on 4.14.y and 4.9.y :(