diff mbox series

[v1,1/1] platform/x86: intel/pmc: Switch to use acpi_evaluate_dsm_typed()

Message ID 20230118095440.41634-1-andriy.shevchenko@linux.intel.com (mailing list archive)
State Accepted, archived
Headers show
Series [v1,1/1] platform/x86: intel/pmc: Switch to use acpi_evaluate_dsm_typed() | expand

Commit Message

Andy Shevchenko Jan. 18, 2023, 9:54 a.m. UTC
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(-)

Comments

Rajneesh Bhardwaj Jan. 18, 2023, 8:15 p.m. UTC | #1
Looks good.
Reviewed-by : Rajneesh Bhardwaj <irenic.rajneesh@gmail.com>


On Wed, Jan 18, 2023 at 4:54 AM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> 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
>
diff mbox series

Patch

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) {