diff options
| author | Simon Glass <sjg@chromium.org> | 2017-07-25 08:29:55 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-07-28 12:02:47 -0600 |
| commit | dcf988525f6e2045b9122ba7c3bf6a9bf44f146e (patch) | |
| tree | 066e1e3e7a3f2aaceb5e407f85cf2a39ff1b486d /include/dm | |
| parent | c61d0009feb966e0e93254a8c435a1889085e6b8 (diff) | |
dm: core: Add ofnode_read_resource()
We sometimes need to read a resource from an arbitrary node. In any case
for consistency we should not put the live-tree switching code in
a dev_read_...() function. Update this to suit.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Tested-on: Beaver, Jetson-TK1
Tested-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/ofnode.h | 4 | ||||
| -rw-r--r-- | include/dm/read.h | 26 |
2 files changed, 20 insertions, 10 deletions
diff --git a/include/dm/ofnode.h b/include/dm/ofnode.h index 15ad5199c2..966ca9309a 100644 --- a/include/dm/ofnode.h +++ b/include/dm/ofnode.h @@ -15,6 +15,8 @@ /* Enable checks to protect against invalid calls */ #undef OF_CHECKS +struct resource; + /** * ofnode - reference to a device tree node * @@ -605,4 +607,6 @@ int ofnode_read_simple_size_cells(ofnode node); */ bool ofnode_pre_reloc(ofnode node); +int ofnode_read_resource(ofnode node, uint index, struct resource *res); + #endif diff --git a/include/dm/read.h b/include/dm/read.h index edf468fdd1..c2ca7ae34d 100644 --- a/include/dm/read.h +++ b/include/dm/read.h @@ -44,16 +44,6 @@ static inline bool dev_of_valid(struct udevice *dev) return ofnode_valid(dev_ofnode(dev)); } -/** - * dev_read_resource() - obtain an indexed resource from a device. - * - * @dev: devuce to examine - * @index index of the resource to retrieve (0 = first) - * @res returns the resource - * @return 0 if ok, negative on error - */ -int dev_read_resource(struct udevice *dev, uint index, struct resource *res); - #ifndef CONFIG_DM_DEV_READ_INLINE /** * dev_read_u32_default() - read a 32-bit integer from a device's DT property @@ -348,6 +338,16 @@ const uint8_t *dev_read_u8_array_ptr(struct udevice *dev, const char *propname, */ int dev_read_enabled(struct udevice *dev); +/** + * dev_read_resource() - obtain an indexed resource from a device. + * + * @dev: devuce to examine + * @index index of the resource to retrieve (0 = first) + * @res returns the resource + * @return 0 if ok, negative on error + */ +int dev_read_resource(struct udevice *dev, uint index, struct resource *res); + #else /* CONFIG_DM_DEV_READ_INLINE is enabled */ static inline int dev_read_u32_default(struct udevice *dev, @@ -482,6 +482,12 @@ static inline int dev_read_enabled(struct udevice *dev) return fdtdec_get_is_enabled(gd->fdt_blob, dev_of_offset(dev)); } +static inline int dev_read_resource(struct udevice *dev, uint index, + struct resource *res) +{ + return ofnode_read_resource(dev_ofnode(dev), index, res); +} + #endif /* CONFIG_DM_DEV_READ_INLINE */ /** |