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| author | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-09-11 22:04:12 +0200 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-09-18 20:40:33 +0200 |
| commit | c131c8bca86b428daef7a25c26a96af42658be21 (patch) | |
| tree | 6c1c54186ec70dfb19f6d41c925fdc78bc65f4cc /drivers/core/read.c | |
| parent | af823151641b1a9a8eae8c3b111f5fa27e6873ac (diff) | |
| download | u-boot-c131c8bca86b428daef7a25c26a96af42658be21.tar.gz | |
dm: core: add dev_read_addr_ptr()
The dev_read_addr_ptr() mimics the behaviour of the devfdt_get_addr_ptr(),
retrieving the first address of the node's reg-property and returning
it as a pointer (or NULL on failure).
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core/read.c')
| -rw-r--r-- | drivers/core/read.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/core/read.c b/drivers/core/read.c index 6acb33388f..065589a6ab 100644 --- a/drivers/core/read.c +++ b/drivers/core/read.c @@ -57,6 +57,13 @@ fdt_addr_t dev_read_addr(struct udevice *dev) return dev_read_addr_index(dev, 0); } +void *dev_read_addr_ptr(struct udevice *dev) +{ + fdt_addr_t addr = dev_read_addr(dev); + + return (addr == FDT_ADDR_T_NONE) ? NULL : (void *)addr; +} + fdt_addr_t dev_read_addr_size(struct udevice *dev, const char *property, fdt_size_t *sizep) { |