diff options
| author | Stefan Roese <sr@denx.de> | 2016-04-21 07:11:34 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@denx.de> | 2016-04-25 07:30:16 +0200 |
| commit | 28027521be95d27fcb83669e09ce3563bb4dd977 (patch) | |
| tree | a44443906fe48409bf8ad117d04ea33b273c2484 /include | |
| parent | 65341967ce9ef2656c61dcd3126536e8865c349d (diff) | |
| download | u-boot-28027521be95d27fcb83669e09ce3563bb4dd977.tar.gz | |
dm: core: Add dev_get_addr_ptr() to return a pointer to the reg address
On some platforms (e.g. x86), the return value of dev_get_addr() can't
be assigned to a pointer type variable directly. As there might be a
difference between the size of fdt_addr_t and the pointer type. On
x86 for example, "fdt_addr_t" is 64bit but "void *" only 32bit. So
assigning the register base directly in dev_get_addr() results in this
compilation warning:
warning: cast to pointer from integer of different size
This patch introduces the new function dev_get_addr_ptr() that
returns a pointer to the 'reg' address that can be used by drivers
in this case.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/dm/device.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index dad7591dfa..8970fc015c 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -454,6 +454,16 @@ int device_find_next_child(struct udevice **devp); fdt_addr_t dev_get_addr(struct udevice *dev); /** + * dev_get_addr_ptr() - Return pointer to the address of the reg property + * of a device + * + * @dev: Pointer to a device + * + * @return Pointer to addr, or NULL if there is no such property + */ +void *dev_get_addr_ptr(struct udevice *dev); + +/** * dev_get_addr_index() - Get the indexed reg property of a device * * @dev: Pointer to a device |