diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-02-15 12:33:28 -0500 |
commit | 33436335e93a1788a58443fc99c5ab320ce4b9d9 (patch) | |
tree | d92f88768c8dbd00f8b65164f47a8a091768b95a /drivers/acpi/glue.c | |
parent | 27b025ebb0f6092d5c0a88de2ab73545bc1c496e (diff) | |
parent | c39cea6f38eefe356d64d0bc1e1f2267e282cdd3 (diff) |
Merge tag 'kvm-riscv-6.3-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.3
- Fix wrong usage of PGDIR_SIZE to check page sizes
- Fix privilege mode setting in kvm_riscv_vcpu_trap_redirect()
- Redirect illegal instruction traps to guest
- SBI PMU support for guest
Diffstat (limited to 'drivers/acpi/glue.c')
-rw-r--r-- | drivers/acpi/glue.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 204fe94c7e45..a194f30876c5 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -75,7 +75,8 @@ static struct acpi_bus_type *acpi_get_bus_type(struct device *dev) } #define FIND_CHILD_MIN_SCORE 1 -#define FIND_CHILD_MAX_SCORE 2 +#define FIND_CHILD_MID_SCORE 2 +#define FIND_CHILD_MAX_SCORE 3 static int match_any(struct acpi_device *adev, void *not_used) { @@ -96,8 +97,17 @@ static int find_child_checks(struct acpi_device *adev, bool check_children) return -ENODEV; status = acpi_evaluate_integer(adev->handle, "_STA", NULL, &sta); - if (status == AE_NOT_FOUND) + if (status == AE_NOT_FOUND) { + /* + * Special case: backlight device objects without _STA are + * preferred to other objects with the same _ADR value, because + * it is more likely that they are actually useful. + */ + if (adev->pnp.type.backlight) + return FIND_CHILD_MID_SCORE; + return FIND_CHILD_MIN_SCORE; + } if (ACPI_FAILURE(status) || !(sta & ACPI_STA_DEVICE_ENABLED)) return -ENODEV; |