[PATCH] gpio: da8xx_gpio: Fix gpio name with address

[chaochao2021666]

From: chao zeng <chao.z...@siemens.com>

The GPIO bank numbers do not appear in the device tree,
so make the gpio name based on the address
(ie gpio@42110000_25 vs 25)

Signed-off-by: chao zeng <chao.z...@siemens.com>
---
 drivers/gpio/da8xx_gpio.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c
index d106e9846d..b310f2dbf6 100644
--- a/drivers/gpio/da8xx_gpio.c
+++ b/drivers/gpio/da8xx_gpio.c
@@ -545,12 +545,20 @@ static int davinci_gpio_of_to_plat(struct udevice *dev)
 {
        struct davinci_gpio_plat *plat = dev_get_plat(dev);
        fdt_addr_t addr;
+       char name[18], *str;
 
        addr = dev_read_addr(dev);
        if (addr == FDT_ADDR_T_NONE)
                return -EINVAL;
 
        plat->base = addr;
+
+       sprintf(name, "gpio@%4x_", (unsigned int)plat->base);
+       str = strdup(name);
+       if (!str)
+               return -ENOMEM;
+       plat->port_name = str;
+
        return 0;
 }
 
-- 
2.34.1