dm: core: Reduce code size with dev_of_offset()
Update the function to mark it with the const attribute. Also avoid
calling it multiple times in the devfdt_get_addr_index() function.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/fdtaddr.c b/drivers/core/fdtaddr.c
index c3a50a2..91bcd1a 100644
--- a/drivers/core/fdtaddr.c
+++ b/drivers/core/fdtaddr.c
@@ -21,6 +21,8 @@
fdt_addr_t devfdt_get_addr_index(const struct udevice *dev, int index)
{
#if CONFIG_IS_ENABLED(OF_REAL)
+ int offset = dev_of_offset(dev);
+ int parent = dev_of_offset(dev->parent);
fdt_addr_t addr;
if (CONFIG_IS_ENABLED(OF_TRANSLATE)) {
@@ -28,21 +30,19 @@
int len = 0;
int na, ns;
- na = fdt_address_cells(gd->fdt_blob,
- dev_of_offset(dev->parent));
+ na = fdt_address_cells(gd->fdt_blob, parent);
if (na < 1) {
debug("bad #address-cells\n");
return FDT_ADDR_T_NONE;
}
- ns = fdt_size_cells(gd->fdt_blob, dev_of_offset(dev->parent));
+ ns = fdt_size_cells(gd->fdt_blob, parent);
if (ns < 0) {
debug("bad #size-cells\n");
return FDT_ADDR_T_NONE;
}
- reg = fdt_getprop(gd->fdt_blob, dev_of_offset(dev), "reg",
- &len);
+ reg = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
if (!reg || (len <= (index * sizeof(fdt32_t) * (na + ns)))) {
debug("Req index out of range\n");
return FDT_ADDR_T_NONE;
@@ -56,7 +56,7 @@
* bus setups.
*/
addr = fdt_translate_address((void *)gd->fdt_blob,
- dev_of_offset(dev), reg);
+ offset, reg);
} else {
/* Non translatable if #size-cells == 0 */
addr = fdt_read_number(reg, na);
@@ -66,9 +66,9 @@
* Use the "simple" translate function for less complex
* bus setups.
*/
- addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
- dev_of_offset(dev->parent), dev_of_offset(dev),
- "reg", index, NULL, false);
+ addr = fdtdec_get_addr_size_auto_parent(gd->fdt_blob, parent,
+ offset, "reg", index,
+ NULL, false);
if (CONFIG_IS_ENABLED(SIMPLE_BUS) && addr != FDT_ADDR_T_NONE) {
if (device_get_uclass_id(dev->parent) ==
UCLASS_SIMPLE_BUS)
diff --git a/include/dm/device.h b/include/dm/device.h
index 12c6ba3..f3f953c 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -253,7 +253,7 @@
* @dev: device to check
* Return: reference of the device's DT node
*/
-static inline ofnode dev_ofnode(const struct udevice *dev)
+static inline __attribute_const__ ofnode dev_ofnode(const struct udevice *dev)
{
#if CONFIG_IS_ENABLED(OF_REAL)
return dev->node_;
@@ -273,7 +273,7 @@
#define dev_get_dma_offset(_dev) 0
#endif
-static inline int dev_of_offset(const struct udevice *dev)
+static inline __attribute_const__ int dev_of_offset(const struct udevice *dev)
{
#if CONFIG_IS_ENABLED(OF_REAL)
return ofnode_to_offset(dev_ofnode(dev));
@@ -282,7 +282,7 @@
#endif
}
-static inline bool dev_has_ofnode(const struct udevice *dev)
+static inline __attribute_const__ bool dev_has_ofnode(const struct udevice *dev)
{
#if CONFIG_IS_ENABLED(OF_REAL)
return ofnode_valid(dev_ofnode(dev));