Re: [PATCH v1 06/10] ACPI / scan: Add acpi_dev_get_next_child()

From: Rafael J. Wysocki
Date: Wed Jul 01 2015 - 19:13:41 EST


On Tuesday, June 30, 2015 04:55:04 PM Tomeu Vizoso wrote:
> So fwnode_get_next_child_node() can be implemented for ACPI firmware
> nodes.
>
> This re-implements acpi_get_next_child() in terms of
> acpi_dev_get_next_child().
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>

Looks good to me.


> ---
>
> drivers/acpi/scan.c | 5 ++---
> include/linux/acpi.h | 17 +++++++++++++++--
> 2 files changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index 2649a06..45cf1b7 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -1482,10 +1482,9 @@ int acpi_device_add(struct acpi_device *device,
> return result;
> }
>
> -struct acpi_device *acpi_get_next_child(struct device *dev,
> - struct acpi_device *child)
> +struct acpi_device *acpi_dev_get_next_child(struct acpi_device *adev,
> + struct acpi_device *child)
> {
> - struct acpi_device *adev = ACPI_COMPANION(dev);
> struct list_head *head, *next;
>
> if (!adev)
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index fc84e42..2afcdb9 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -752,8 +752,14 @@ int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname,
> int acpi_dev_prop_read(struct acpi_device *adev, const char *propname,
> enum dev_prop_type proptype, void *val, size_t nval);
>
> -struct acpi_device *acpi_get_next_child(struct device *dev,
> - struct acpi_device *child);
> +struct acpi_device *acpi_dev_get_next_child(struct acpi_device *adev,
> + struct acpi_device *child);
> +
> +static inline struct acpi_device *acpi_get_next_child(struct device *dev,
> + struct acpi_device *child)
> +{
> + return acpi_dev_get_next_child(ACPI_COMPANION(dev), child);
> +}
> #else
> static inline int acpi_dev_get_property(struct acpi_device *adev,
> const char *name, acpi_object_type type,
> @@ -804,6 +810,13 @@ static inline struct acpi_device *acpi_get_next_child(struct device *dev,
> return NULL;
> }
>
> +static inline struct acpi_device *acpi_dev_get_next_child(
> + struct acpi_device *adev,
> + struct acpi_device *child)
> +{
> + return NULL;
> +}
> +
> static inline struct acpi_device *acpi_get_parent_dev(struct acpi_device *adev)
> {
> return NULL;
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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