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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2023-01-18 12:54:40 +0300
committerHans de Goede <hdegoede@redhat.com>2023-02-03 00:48:20 +0300
commit6ab983187d80a10f67c8cf19a0a6640ab79a92b9 (patch)
treeeb3710d55e0c8946227d6b5640a67b5f91edff32 /drivers/platform/x86/intel/pmc
parentc6d41f66d50a46ee943124f5079ad0282080cfb1 (diff)
downloadlinux-6ab983187d80a10f67c8cf19a0a6640ab79a92b9.tar.xz
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/x86/intel/pmc')
-rw-r--r--drivers/platform/x86/intel/pmc/tgl.c6
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) {