diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-01-18 10:54:40 +0100 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2023-02-02 22:48:20 +0100 |
| commit | 6ab983187d80a10f67c8cf19a0a6640ab79a92b9 (patch) | |
| tree | eb3710d55e0c8946227d6b5640a67b5f91edff32 /drivers/platform | |
| parent | platform/surface: Switch to use acpi_evaluate_dsm_typed() (diff) | |
| download | linux-6ab983187d80a10f67c8cf19a0a6640ab79a92b9.tar.xz linux-6ab983187d80a10f67c8cf19a0a6640ab79a92b9.zip | |
platform/x86: intel/pmc: Switch to use acpi_evaluate_dsm_typed()
The acpi_evaluate_dsm_typed() provides a way to check the type of the
object evaluated by _DSM call. Use it instead of open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>
Link: https://lore.kernel.org/r/20230118095440.41634-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/intel/pmc/tgl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/platform/x86/intel/pmc/tgl.c b/drivers/platform/x86/intel/pmc/tgl.c index e3e50538465d..c245ada849d0 100644 --- a/drivers/platform/x86/intel/pmc/tgl.c +++ b/drivers/platform/x86/intel/pmc/tgl.c @@ -221,9 +221,9 @@ void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev) guid_parse(ACPI_S0IX_DSM_UUID, &s0ix_dsm_guid); - out_obj = acpi_evaluate_dsm(adev->handle, &s0ix_dsm_guid, 0, - ACPI_GET_LOW_MODE_REGISTERS, NULL); - if (out_obj && out_obj->type == ACPI_TYPE_BUFFER) { + out_obj = acpi_evaluate_dsm_typed(adev->handle, &s0ix_dsm_guid, 0, + ACPI_GET_LOW_MODE_REGISTERS, NULL, ACPI_TYPE_BUFFER); + if (out_obj) { u32 size = out_obj->buffer.length; if (size != lpm_size) { |