Update the GPIO driver to support a live device tree.
Signed-off-by: Simon Glass <s...@chromium.org>
Tested-by: Marcel Ziswiler <marcel.ziswi...@toradex.com>
Tested-on: Beaver, Jetson-TK1
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
drivers/gpio/tegra_gpio.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c
index 687cd74fee..4965583158 100644
--- a/drivers/gpio/tegra_gpio.c
+++ b/drivers/gpio/tegra_gpio.c
@@ -337,11 +337,13 @@ static int gpio_tegra_bind(struct udevice *parent)
* This driver does not make use of interrupts, other than to figure
* out the number of GPIO banks
*/
- if (!fdt_getprop(gd->fdt_blob, dev_of_offset(parent), "interrupts",
- &len))
- return -EINVAL;
+ len = dev_read_size(parent, "interrupts");
+ if (len < 0)
+ return len;
bank_count = len / 3 / sizeof(u32);
- ctlr = (struct gpio_ctlr *)devfdt_get_addr(parent);
+ ctlr = (struct gpio_ctlr *)dev_read_addr(parent);
+ if ((ulong)ctlr == FDT_ADDR_T_NONE)
+ return -EINVAL;
}
#endif
for (bank = 0; bank < bank_count; bank++) {
--
2.14.0.rc0.284.gd933b75aa4-goog
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