diff options
| author |   Janne Grunau <j@jannau.net> | 2025-02-26 19:00:03 +0000 |
|---|---|---|
| committer |   Sven Peter <sven@svenpeter.dev> | 2025-02-28 21:36:45 +0000 |
| commit | 3e46b6df8465e7a1c0d8e87a0966ecfb753ae84b (patch) | |
| tree | c71aee3cec55bf3acdcc9132768ffc9d17b18158 | |
| parent | soc: apple: rtkit: Fix use-after-free in apple_rtkit_crashlog_rx() (diff) | |
| download | wireguard-linux-3e46b6df8465e7a1c0d8e87a0966ecfb753ae84b.tar.xz wireguard-linux-3e46b6df8465e7a1c0d8e87a0966ecfb753ae84b.zip | |
soc: apple: rtkit: Add and use PWR_STATE_INIT instead of _ON
This state is needed to wake the dcp IOP after m1n1 shut it down
and works for all other co-processors as well.
Signed-off-by: Janne Grunau <j@jannau.net>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Link: https://lore.kernel.org/r/20250226-apple-soc-misc-v2-1-c3ec37f9021b@svenpeter.dev
Signed-off-by: Sven Peter <sven@svenpeter.dev>
| -rw-r--r-- | drivers/soc/apple/rtkit.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/soc/apple/rtkit.c b/drivers/soc/apple/rtkit.c index 2f5f878bf899..be0d08861168 100644 --- a/drivers/soc/apple/rtkit.c +++ b/drivers/soc/apple/rtkit.c @@ -12,6 +12,7 @@ enum { APPLE_RTKIT_PWR_STATE_IDLE = 0x201, /* sleeping, retain state */ APPLE_RTKIT_PWR_STATE_QUIESCED = 0x10, /* running but no communication */ APPLE_RTKIT_PWR_STATE_ON = 0x20, /* normal operating state */ + APPLE_RTKIT_PWR_STATE_INIT = 0x220, /* init after starting the coproc */ }; enum { @@ -898,7 +899,7 @@ int apple_rtkit_wake(struct apple_rtkit *rtk) * Use open-coded apple_rtkit_set_iop_power_state since apple_rtkit_boot * will wait for the completion anyway. */ - msg = FIELD_PREP(APPLE_RTKIT_MGMT_PWR_STATE, APPLE_RTKIT_PWR_STATE_ON); + msg = FIELD_PREP(APPLE_RTKIT_MGMT_PWR_STATE, APPLE_RTKIT_PWR_STATE_INIT); ret = apple_rtkit_management_send(rtk, APPLE_RTKIT_MGMT_SET_IOP_PWR_STATE, msg); if (ret) |