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Code Activity

ACPI: processor: Remove acpi_hwp_native_thermal_lvt_osc()

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The workaround for buggy skylake BIOSes is now implemented in
acpi_processor_osc() and acpi_hwp_native_thermal_lvt_osc() has no
callers, so drop it.

Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Michal Wilczynski <michal.wilczynski@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Michal Wilczynski 2023-07-10 17:03:37 +03:00 • committed by Rafael J. Wysocki
parent 9527264133
commit 11e7bf5629
1 changed files with 0 additions and 36 deletions
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36
drivers/acpi/acpi_processor.c
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@ -561,7 +561,6 @@ bool __init processor_physically_present(acpi_handle handle)
/* vendor specific UUID indicating an Intel platform */
static u8 sb_uuid_str[] = "4077A616-290C-47BE-9EBD-D87058713953";
static bool acpi_hwp_native_thermal_lvt_set;
static acpi_status __init acpi_processor_osc(acpi_handle handle, u32 lvl,
void *context, void **rv)
@ -589,41 +588,6 @@ static acpi_status __init acpi_processor_osc(acpi_handle handle, u32 lvl,
return AE_OK;
}
static acpi_status __init acpi_hwp_native_thermal_lvt_osc(acpi_handle handle,
u32 lvl,
void *context,
void **rv)
{
u32 capbuf[2];
struct acpi_osc_context osc_context = {
.uuid_str = sb_uuid_str,
.rev = 1,
.cap.length = 8,
.cap.pointer = capbuf,
};
if (acpi_hwp_native_thermal_lvt_set)
return AE_CTRL_TERMINATE;
capbuf[0] = 0x0000;
capbuf[1] = 0x1000; /* set bit 12 */
if (ACPI_SUCCESS(acpi_run_osc(handle, &osc_context))) {
if (osc_context.ret.pointer && osc_context.ret.length > 1) {
u32 *capbuf_ret = osc_context.ret.pointer;
if (capbuf_ret[1] & 0x1000) {
acpi_handle_info(handle,
"_OSC native thermal LVT Acked\n");
acpi_hwp_native_thermal_lvt_set = true;
}
}
kfree(osc_context.ret.pointer);
}
return AE_OK;
}
static bool __init acpi_early_processor_osc(void)
{
acpi_status status;