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author | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-01-12 16:10:00 +0800 |
commit | 4cf0662888026d5c1b62ed3fa8dc048a2ff2e124 (patch) | |
tree | a5c92c5024c599a00bfd8d402d2b7b0a619b0259 /drivers/acpi/glue.c | |
parent | c821f6ab2e47946f35ee2f30781c5185e5d07f65 (diff) | |
parent | a121103c922847ba5010819a3f250f1f7fc84ab8 (diff) | |
download | op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.zip op-kernel-dev-4cf0662888026d5c1b62ed3fa8dc048a2ff2e124.tar.gz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merging 4.10-rc3 so that the cryptodev tree builds on ARM64.
Diffstat (limited to 'drivers/acpi/glue.c')
-rw-r--r-- | drivers/acpi/glue.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index f8d6564..fb19e1c 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -98,7 +98,15 @@ static int find_child_checks(struct acpi_device *adev, bool check_children) if (check_children && list_empty(&adev->children)) return -ENODEV; - return sta_present ? FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE; + /* + * If the device has a _HID (or _CID) returning a valid ACPI/PNP + * device ID, it is better to make it look less attractive here, so that + * the other device with the same _ADR value (that may not have a valid + * device ID) can be matched going forward. [This means a second spec + * violation in a row, so whatever we do here is best effort anyway.] + */ + return sta_present && list_empty(&adev->pnp.ids) ? + FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE; } struct acpi_device *acpi_find_child_device(struct acpi_device *parent, @@ -250,7 +258,6 @@ int acpi_bind_one(struct device *dev, struct acpi_device *acpi_dev) return 0; err: - acpi_dma_deconfigure(dev); ACPI_COMPANION_SET(dev, NULL); put_device(dev); put_device(&acpi_dev->dev); |