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Subject[PATCH v1 1/1] platform/x86: intel/pmc: Switch to use acpi_evaluate_dsm_typed()
Date
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>
---
drivers/platform/x86/intel/pmc/tgl.c | 6 +++---
1 file 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) {
--
2.39.0
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