Update the GPIO driver to support a live device tree.
Reviewed-by: Simon Glass <s...@chromium.org>
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---
Changes in v2: None
drivers/gpio/stm32f7_gpio.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/gpio/stm32f7_gpio.c b/drivers/gpio/stm32f7_gpio.c
index a7cfb8c..11bc66d 100644
--- a/drivers/gpio/stm32f7_gpio.c
+++ b/drivers/gpio/stm32f7_gpio.c
@@ -16,14 +16,11 @@
#include <linux/errno.h>
#include <linux/io.h>
-#define MAX_SIZE_BANK_NAME 5
#define STM32_GPIOS_PER_BANK 16
#define MODE_BITS(gpio_pin) (gpio_pin * 2)
#define MODE_BITS_MASK 3
#define IN_OUT_BIT_INDEX(gpio_pin) (1UL << (gpio_pin))
-DECLARE_GLOBAL_DATA_PTR;
-
static int stm32_gpio_direction_input(struct udevice *dev, unsigned offset)
{
struct stm32_gpio_priv *priv = dev_get_priv(dev);
@@ -82,17 +79,14 @@ static int gpio_stm32_probe(struct udevice *dev)
struct gpio_dev_priv *uc_priv = dev_get_uclass_priv(dev);
struct stm32_gpio_priv *priv = dev_get_priv(dev);
fdt_addr_t addr;
- char *name;
+ const char *name;
- addr = devfdt_get_addr(dev);
+ addr = dev_read_addr(dev);
if (addr == FDT_ADDR_T_NONE)
return -EINVAL;
priv->regs = (struct stm32_gpio_regs *)addr;
- name = (char *)fdtdec_locate_byte_array(gd->fdt_blob,
- dev_of_offset(dev),
- "st,bank-name",
- MAX_SIZE_BANK_NAME);
+ name = dev_read_string(dev, "st,bank-name");
if (!name)
return -EINVAL;
uc_priv->bank_name = name;
--
2.7.4
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