From 56f5c40ad9c27815ee53eb300128171a46395ade Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Tue, 25 Jul 2017 08:30:03 -0600
Subject: [PATCH] dm: tegra: gpio: Convert to support livetree
Update the GPIO driver to support a live device tree.
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>
---
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++) {
--
2.39.5