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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-09-13 19:31:42 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-09-19 19:34:42 +0300 |
| commit | 197a5aeaf6cd475720ca2f6ff1e4ed720da8657f (patch) | |
| tree | 62ff2d33501aa94fc70367271ae33ebc0a6b3e15 /drivers/acpi/x86/utils.c | |
| parent | 2a036e489eb1571810126d6fa47bd8af1e237c08 (diff) | |
| download | linux-197a5aeaf6cd475720ca2f6ff1e4ed720da8657f.tar.xz | |
ACPI: x86: Refactor _UID handling to use acpi_dev_uid_to_integer()
ACPI utils provide acpi_dev_uid_to_integer() helper to extract _UID as
an integer. Use it instead of custom approach.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/x86/utils.c')
| -rw-r--r-- | drivers/acpi/x86/utils.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index 664070fc8349..2764b4778ce7 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -351,11 +351,17 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s struct acpi_device *adev = ACPI_COMPANION(controller_parent); const struct dmi_system_id *dmi_id; long quirks = 0; + u64 uid; + int ret; *skip = false; - /* !dev_is_platform() to not match on PNP enumerated debug UARTs */ - if (!adev || !adev->pnp.unique_id || !dev_is_platform(controller_parent)) + ret = acpi_dev_uid_to_integer(adev, &uid); + if (ret) + return 0; + + /* to not match on PNP enumerated debug UARTs */ + if (!dev_is_platform(controller_parent)) return 0; dmi_id = dmi_first_match(acpi_quirk_skip_dmi_ids); @@ -363,10 +369,10 @@ int acpi_quirk_skip_serdev_enumeration(struct device *controller_parent, bool *s quirks = (unsigned long)dmi_id->driver_data; if (quirks & ACPI_QUIRK_UART1_TTY_UART2_SKIP) { - if (!strcmp(adev->pnp.unique_id, "1")) + if (uid == 1) return -ENODEV; /* Create tty cdev instead of serdev */ - if (!strcmp(adev->pnp.unique_id, "2")) + if (uid == 2) *skip = true; } |