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Message-ID: <c043ee8d-0961-f533-1085-274f3e7d08d4@intel.com>
Date: Thu, 1 Sep 2022 14:19:47 -0700
From: "Ceraolo Spurio, Daniele" <daniele.ceraolospurio@...el.com>
To: Tomas Winkler <tomas.winkler@...el.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>
CC: Jani Nikula <jani.nikula@...ux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@...el.com>,
Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
<intel-gfx@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
"Alexander Usyskin" <alexander.usyskin@...el.com>,
Vitaly Lubart <vitaly.lubart@...el.com>
Subject: Re: [PATCH v7 12/15] mei: gsc: add transition to PXP mode in resume
flow
On 8/6/2022 5:26 AM, Tomas Winkler wrote:
> From: Vitaly Lubart <vitaly.lubart@...el.com>
>
> Added transition to PXP mode in resume flow.
>
> CC: Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>
> Signed-off-by: Vitaly Lubart <vitaly.lubart@...el.com>
> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
> Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@...el.com>
Daniele
> ---
> 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 6b22726aed55..75765e4df4ed 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;
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