Unverified Commit b04d336f authored by Arnd Bergmann's avatar Arnd Bergmann
Browse files

Merge tag 'apple-soc-drivers-6.20' of... 

Merge tag 'apple-soc-drivers-6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux into soc/drivers

Apple SoC driver updates for 6.20

- Add a poweroff function to the RTKit library which will be required
  for the first USB4/Thunderbolt series I hope to submit next cycle.

* tag 'apple-soc-drivers-6.20' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux

:
  soc: apple: rtkit: Add function to poweroff

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
parents 733f0303 ba99035b

drivers/soc/apple/rtkit.c

+16 −0
Original line number Diff line number Diff line
@@ -851,6 +851,22 @@ int apple_rtkit_shutdown(struct apple_rtkit *rtk) 
}

EXPORT_SYMBOL_GPL(apple_rtkit_shutdown);



int apple_rtkit_poweroff(struct apple_rtkit *rtk)

{

	int ret;



	ret = apple_rtkit_set_ap_power_state(rtk, APPLE_RTKIT_PWR_STATE_OFF);

	if (ret)

		return ret;



	ret = apple_rtkit_set_iop_power_state(rtk, APPLE_RTKIT_PWR_STATE_OFF);

	if (ret)

		return ret;



	return apple_rtkit_reinit(rtk);

}

EXPORT_SYMBOL_GPL(apple_rtkit_poweroff);



int apple_rtkit_idle(struct apple_rtkit *rtk)

{

	int ret;

include/linux/soc/apple/rtkit.h

+7 −0
Original line number Diff line number Diff line
@@ -125,6 +125,13 @@ int apple_rtkit_wake(struct apple_rtkit *rtk); 
 */

int apple_rtkit_shutdown(struct apple_rtkit *rtk);



/*

 * Put the co-processor into the lowest power state. Note that it usually

 * is not possible to recover from this state without a full SoC reset.

 */



int apple_rtkit_poweroff(struct apple_rtkit *rtk);



/*

 * Put the co-processor into idle mode

 */