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SubjectRe: [RFC PATCH pdx86-platform-drivers-x86] platform/x86: thinkpad_acpi: quirk_btusb_bug can be static
From
Hi,

On 5/6/22 12:09, Hans de Goede wrote:
> Hi,
>
> On 5/3/22 15:07, Limonciello, Mario wrote:
>> [Public]
>>
>>
>>
>>> -----Original Message-----
>>> From: kernel test robot <lkp@intel.com>
>>> Sent: Tuesday, May 3, 2022 06:18
>>> To: Limonciello, Mario <Mario.Limonciello@amd.com>
>>> Cc: kbuild-all@lists.01.org; Andy Shevchenko
>>> <andriy.shevchenko@linux.intel.com>; Hans de Goede
>>> <hdegoede@redhat.com>; linux-kernel@vger.kernel.org
>>> Subject: [RFC PATCH pdx86-platform-drivers-x86] platform/x86:
>>> thinkpad_acpi: quirk_btusb_bug can be static
>>>
>>> drivers/platform/x86/thinkpad_acpi.c:317:20: warning: symbol
>>> 'quirk_btusb_bug' was not declared. Should it be static?
>>>
>>> Fixes: 25eecc2ff6cc ("platform/x86: thinkpad_acpi: Convert btusb DMI list to
>>> quirks")
>>> Reported-by: kernel test robot <lkp@intel.com>
>>> Signed-off-by: kernel test robot <lkp@intel.com>
>>
>> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
>
> Thanks, since the original patch was still in my review-hans
> branch (and not yet in for-next) I've squashed this fix into
> the original patch.

I've just realized there is another issue with this
("platform/x86: thinkpad_acpi: Convert btusb DMI list to quirks")

Patch, it only sets tp_features.quirks after bluetooth_init()
has already run, so the:

if (tp_features.quirks && tp_features.quirks->btusb_bug && ...

check will never be true since tp_features.quirks is being set
too late.

I'll squash in a change moving the:

dmi_id = dmi_first_match(fwbug_list);
if (dmi_id)
tp_features.quirks = dmi_id->driver_data;

to higher inside thinkpad_acpi_module_init() to fix this,
while keeping the:

#ifdef CONFIG_SUSPEND
if (tp_features.quirks && tp_features.quirks->s2idle_bug_mmio) {
if (!acpi_register_lps0_dev(&thinkpad_acpi_s2idle_dev_ops))
pr_info("Using s2idle quirk to avoid %s platform firmware bug\n",
(dmi_id && dmi_id->ident) ? dmi_id->ident : "");
}
#endif

block at then end of thinkpad_acpi_module_init() so as to not change
the ordering wrt registering the lps0_dev.

Regards,

Hans





>
> Regards,
>
> Hans
>
>
>
>
>
>>
>>> ---
>>> drivers/platform/x86/thinkpad_acpi.c | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/platform/x86/thinkpad_acpi.c
>>> b/drivers/platform/x86/thinkpad_acpi.c
>>> index aed17d32ed84b..eefa22e86ae10 100644
>>> --- a/drivers/platform/x86/thinkpad_acpi.c
>>> +++ b/drivers/platform/x86/thinkpad_acpi.c
>>> @@ -314,7 +314,7 @@ struct quirk_entry {
>>> bool btusb_bug;
>>> };
>>>
>>> -struct quirk_entry quirk_btusb_bug = {
>>> +static struct quirk_entry quirk_btusb_bug = {
>>> .btusb_bug = true,
>>> };
>>>
>>

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