[U-Boot] [PATCH] gpio: dm: Support manual relocation for gpio
Michal Simek
michal.simek at xilinx.com
Thu Jul 12 11:36:54 UTC 2018
Relocate gpio ops as was done by:
"dm: Add support for all targets which requires MANUAL_RELOC"
(sha1: 484fdf5ba058b07be5ca82763aa2b72063540ef3)
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
drivers/gpio/gpio-uclass.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index e9d08e2ebc25..da5e9ba6e524 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -854,11 +854,46 @@ static int gpio_pre_remove(struct udevice *dev)
return gpio_renumber(dev);
}
+static int gpio_post_bind(struct udevice *dev)
+{
+#if defined(CONFIG_NEEDS_MANUAL_RELOC)
+ struct dm_gpio_ops *ops = (struct dm_gpio_ops *)device_get_ops(dev);
+ static int reloc_done;
+
+ if (!reloc_done) {
+ if (ops->request)
+ ops->request += gd->reloc_off;
+ if (ops->free)
+ ops->free += gd->reloc_off;
+ if (ops->direction_input)
+ ops->direction_input += gd->reloc_off;
+ if (ops->direction_output)
+ ops->direction_output += gd->reloc_off;
+ if (ops->get_value)
+ ops->get_value += gd->reloc_off;
+ if (ops->set_value)
+ ops->set_value += gd->reloc_off;
+ if (ops->get_open_drain)
+ ops->get_open_drain += gd->reloc_off;
+ if (ops->set_open_drain)
+ ops->set_open_drain += gd->reloc_off;
+ if (ops->get_function)
+ ops->get_function += gd->reloc_off;
+ if (ops->xlate)
+ ops->xlate += gd->reloc_off;
+
+ reloc_done++;
+ }
+#endif
+ return 0;
+}
+
UCLASS_DRIVER(gpio) = {
.id = UCLASS_GPIO,
.name = "gpio",
.flags = DM_UC_FLAG_SEQ_ALIAS,
.post_probe = gpio_post_probe,
+ .post_bind = gpio_post_bind,
.pre_remove = gpio_pre_remove,
.per_device_auto_alloc_size = sizeof(struct gpio_dev_priv),
};
--
1.9.1
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