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author | Hans de Goede <hdegoede@redhat.com> | 2021-11-22 18:05:32 +0100 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-12-01 20:14:25 +0100 |
commit | ba46e42e925b5d09b4e441f8de3db119cc7df58f (patch) | |
tree | 29117ff2d72c04626d5b3d6ea7d15807fc5828b7 /drivers/acpi | |
parent | ACPI: Change acpi_device_always_present() into acpi_device_override_status() (diff) | |
download | linux-ba46e42e925b5d09b4e441f8de3db119cc7df58f.tar.xz linux-ba46e42e925b5d09b4e441f8de3db119cc7df58f.zip |
ACPI / x86: Allow specifying acpi_device_override_status() quirks by path
Not all ACPI-devices have a HID + UID, allow specifying quirks for
acpi_device_override_status() by path too.
Note this moves the path/HID+UID check to after the CPU + DMI checks
since the path lookup is somewhat costly.
This way this lookup is only done on devices where the other checks
match.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/x86/utils.c | 42 |
1 files changed, 32 insertions, 10 deletions
diff --git a/drivers/acpi/x86/utils.c b/drivers/acpi/x86/utils.c index edb4f3fd93dc..190bfc2ab3f2 100644 --- a/drivers/acpi/x86/utils.c +++ b/drivers/acpi/x86/utils.c @@ -38,22 +38,30 @@ struct override_status_id { struct x86_cpu_id cpu_ids[2]; struct dmi_system_id dmi_ids[2]; /* Optional */ const char *uid; + const char *path; unsigned long long status; }; -#define ENTRY(status, hid, uid, cpu_model, dmi...) { \ +#define ENTRY(status, hid, uid, path, cpu_model, dmi...) { \ { { hid, }, {} }, \ { X86_MATCH_INTEL_FAM6_MODEL(cpu_model, NULL), {} }, \ { { .matches = dmi }, {} }, \ uid, \ + path, \ status, \ } #define PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \ - ENTRY(ACPI_STA_DEFAULT, hid, uid, cpu_model, dmi) + ENTRY(ACPI_STA_DEFAULT, hid, uid, NULL, cpu_model, dmi) #define NOT_PRESENT_ENTRY_HID(hid, uid, cpu_model, dmi...) \ - ENTRY(0, hid, uid, cpu_model, dmi) + ENTRY(0, hid, uid, NULL, cpu_model, dmi) + +#define PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \ + ENTRY(ACPI_STA_DEFAULT, "", NULL, path, cpu_model, dmi) + +#define NOT_PRESENT_ENTRY_PATH(path, cpu_model, dmi...) \ + ENTRY(0, "", NULL, path, cpu_model, dmi) static const struct override_status_id override_status_ids[] = { /* @@ -120,13 +128,6 @@ bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *s unsigned int i; for (i = 0; i < ARRAY_SIZE(override_status_ids); i++) { - if (acpi_match_device_ids(adev, override_status_ids[i].hid)) - continue; - - if (!adev->pnp.unique_id || - strcmp(adev->pnp.unique_id, override_status_ids[i].uid)) - continue; - if (!x86_match_cpu(override_status_ids[i].cpu_ids)) continue; @@ -134,6 +135,27 @@ bool acpi_device_override_status(struct acpi_device *adev, unsigned long long *s !dmi_check_system(override_status_ids[i].dmi_ids)) continue; + if (override_status_ids[i].path) { + struct acpi_buffer path = { ACPI_ALLOCATE_BUFFER, NULL }; + bool match; + + if (acpi_get_name(adev->handle, ACPI_FULL_PATHNAME, &path)) + continue; + + match = strcmp((char *)path.pointer, override_status_ids[i].path) == 0; + kfree(path.pointer); + + if (!match) + continue; + } else { + if (acpi_match_device_ids(adev, override_status_ids[i].hid)) + continue; + + if (!adev->pnp.unique_id || + strcmp(adev->pnp.unique_id, override_status_ids[i].uid)) + continue; + } + *status = override_status_ids[i].status; ret = true; break; |