Hi,
On 11/16/21 07:40, Slark Xiao wrote:
>
>
>
> At 2021-11-09 10:06:21, "Slark Xiao" <slark_xiao@xxxxxxx> wrote:
>>
>>
>> At 2021-11-08 22:32:56, "Hans de Goede" <hdegoede@xxxxxxxxxx> wrote:
>>> Hi,
>>>
>>> On 11/8/21 07:06, Slark Xiao wrote:
>>>> When WWAN device wake from S3 deep, under thinkpad platform,
>>>> WWAN would be disabled. This disable status could be checked
>>>> by command 'nmcli r wwan' or 'rfkill list'.
>>>>
>>>> Issue analysis as below:
>>>> When host resume from S3 deep, thinkpad_acpi driver would
>>>> call hotkey_resume() function. Finnaly, it will use
>>>> wan_get_status to check the current status of WWAN device.
>>>> During this resume progress, wan_get_status would always
>>>> return off even WWAN boot up completely.
>>>> In patch V2, Hans said 'sw_state should be unchanged
>>>> after a suspend/resume. It's better to drop the
>>>> tpacpi_rfk_update_swstate call all together from the
>>>> resume path'.
>>>> And it's confimed by Lenovo that GWAN is no longer
>>>> available from WHL generation because the design does not
>>>> match with current pin control.
>>>>
>>>> Signed-off-by: Slark Xiao <slark_xiao@xxxxxxx>
>>>
>>> Thanks, patch looks good to me:
>>>
>>> Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
>>>
>>> I will merge this once 5.16-rc1 is out.
>>>
>>> Regards,
>>>
> Hi Hans,
> 5.16-rc1 is already out. Could you help merge this patch into baseline now?
5.16-rc1 has only been out for 1 day, some patience please!
But yes I plan to send a fixes pull-req to Linus later today
including this fix.
Regards,
Hans
>>>> ---
>>>> drivers/platform/x86/thinkpad_acpi.c | 12 ------------
>>>> 1 file changed, 12 deletions(-)
>>>>
>>>> diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
>>>> index 50ff04c84650..f1cbd27282e1 100644
>>>> --- a/drivers/platform/x86/thinkpad_acpi.c
>>>> +++ b/drivers/platform/x86/thinkpad_acpi.c
>>>> @@ -1178,15 +1178,6 @@ static int tpacpi_rfk_update_swstate(const struct tpacpi_rfk *tp_rfk)
>>>> return status;
>>>> }
>>>>
>>>> -/* Query FW and update rfkill sw state for all rfkill switches */
>>>> -static void tpacpi_rfk_update_swstate_all(void)
>>>> -{
>>>> - unsigned int i;
>>>> -
>>>> - for (i = 0; i < TPACPI_RFK_SW_MAX; i++)
>>>> - tpacpi_rfk_update_swstate(tpacpi_rfkill_switches[i]);
>>>> -}
>>>> -
>>>> /*
>>>> * Sync the HW-blocking state of all rfkill switches,
>>>> * do notice it causes the rfkill core to schedule uevents
>>>> @@ -3129,9 +3120,6 @@ static void tpacpi_send_radiosw_update(void)
>>>> if (wlsw == TPACPI_RFK_RADIO_OFF)
>>>> tpacpi_rfk_update_hwblock_state(true);
>>>>
>>>> - /* Sync sw blocking state */
>>>> - tpacpi_rfk_update_swstate_all();
>>>> -
>>>> /* Sync hw blocking state last if it is hw-unblocked */
>>>> if (wlsw == TPACPI_RFK_RADIO_ON)
>>>> tpacpi_rfk_update_hwblock_state(false);
>>>>
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