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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-31 02:06:38 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-08-31 02:06:38 +0300 |
| commit | 1ac731c529cd4d6adbce134754b51ff7d822b145 (patch) | |
| tree | 143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /drivers/acpi/pptt.c | |
| parent | 07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff) | |
| parent | 54116d442e001e1b6bd482122043b1870998a1f3 (diff) | |
| download | linux-1ac731c529cd4d6adbce134754b51ff7d822b145.tar.xz | |
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'drivers/acpi/pptt.c')
| -rw-r--r-- | drivers/acpi/pptt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c index 10975bb603fb..a35dd0e41c27 100644 --- a/drivers/acpi/pptt.c +++ b/drivers/acpi/pptt.c @@ -536,16 +536,19 @@ static int topology_get_acpi_cpu_tag(struct acpi_table_header *table, static struct acpi_table_header *acpi_get_pptt(void) { static struct acpi_table_header *pptt; + static bool is_pptt_checked; acpi_status status; /* * PPTT will be used at runtime on every CPU hotplug in path, so we * don't need to call acpi_put_table() to release the table mapping. */ - if (!pptt) { + if (!pptt && !is_pptt_checked) { status = acpi_get_table(ACPI_SIG_PPTT, 0, &pptt); if (ACPI_FAILURE(status)) acpi_pptt_warn_missing(); + + is_pptt_checked = true; } return pptt; |