diff options
author | Linus Walleij <linus.walleij@linaro.org> | 2017-01-30 14:39:20 +0100 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2017-01-30 14:39:20 +0100 |
commit | 7f36f5d11cda050b118f76d774151427a18d15ef (patch) | |
tree | 9d4fa3b830785b767525a5e6a065fe4297cd8112 /drivers/acpi/glue.c | |
parent | 2b24efa8e5c5042b0f126c09622b3e9e3c86a4fa (diff) | |
parent | 566cf877a1fcb6d6dc0126b076aad062054c2637 (diff) |
Merge tag 'v4.10-rc6' into devel
Linux 4.10-rc6
Resolved conflicts in:
drivers/pinctrl/pinctrl-amd.c
drivers/pinctrl/samsung/pinctrl-exynos.c
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 f8d65647ea79..fb19e1cdb641 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); |