[PATCH v4 12/14] mei: gsc: add transition to PXP mode in resume flow

From: Alexander Usyskin
Date: Wed Jun 29 2022 - 07:30:40 EST


From: Vitaly Lubart <vitaly.lubart@xxxxxxxxx>

Added transition to PXP mode in resume flow.

CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Signed-off-by: Vitaly Lubart <vitaly.lubart@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
---
drivers/misc/mei/gsc-me.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index c8a167b57cc9..71f247f5e7ca 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -182,11 +182,22 @@ static int __maybe_unused mei_gsc_pm_suspend(struct device *device)
static int __maybe_unused mei_gsc_pm_resume(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
+ struct auxiliary_device *aux_dev;
+ struct mei_aux_device *adev;
int err;
+ struct mei_me_hw *hw;

if (!dev)
return -ENODEV;

+ hw = to_me_hw(dev);
+ aux_dev = to_auxiliary_dev(device);
+ adev = auxiliary_dev_to_mei_aux_dev(aux_dev);
+ if (adev->ext_op_mem.start) {
+ mei_gsc_set_ext_op_mem(hw, &adev->ext_op_mem);
+ dev->pxp_mode = MEI_DEV_PXP_INIT;
+ }
+
err = mei_restart(dev);
if (err)
return err;
--
2.34.1