1:  c43ab52fd196 ! 1:  b87e3265f929 wifi: rtw89: acpi: check for _DSM function support before evaluating it
    @@ Commit message
         AE_BAD_PARAMETER. All callers already treat failure as "no policy
         provided by the platform", so this is only noise.
     
    -    Use acpi_check_dsm() first. It returns false for a NULL handle and for
    -    functions that are not advertised, so absent functions fail quietly at
    -    debug level, as rtw89_acpi_evaluate_method() already does.
    +    Bail out early when there is no ACPI handle, as acpi_check_dsm() would
    +    otherwise hit the same warning while querying function 0. Then use
    +    acpi_check_dsm() so that functions the firmware does not advertise fail
    +    quietly at debug level, as rtw89_acpi_evaluate_method() already does.
     
         Seen on an RTL8852BE in a desktop PCIe slot.
     
    -    Fixes: e897b0bef38a ("wifi: rtw89: introduce realtek ACPI DSM method")
         Signed-off-by: Rosen Penev <rosenp@gmail.com>
     
      ## drivers/net/wireless/realtek/rtw89/acpi.c ##
    @@ drivers/net/wireless/realtek/rtw89/acpi.c: int rtw89_acpi_evaluate_dsm(struct rt
      
     -	obj = acpi_evaluate_dsm(ACPI_HANDLE(rtwdev->dev), &rtw89_guid,
     -				0, func, NULL);
    ++	if (!handle) {
    ++		rtw89_debug(rtwdev, RTW89_DBG_ACPI, "acpi dsm no handle\n");
    ++		return -ENODEV;
    ++	}
    ++
     +	if (!acpi_check_dsm(handle, &rtw89_guid, 0, BIT(func))) {
     +		rtw89_debug(rtwdev, RTW89_DBG_ACPI,
     +			    "acpi dsm func %d not supported\n", func);