[PATCH v5 16/33] gpio: dw: Add a trailing underscore to generated name

[Sean Anderson]

Previously, if there was no bank-name property, it was easy to have
confusing gpio names like "gpio1 at 08", instead of "gpio1 at 0_8". This patch
follows the example of the sifive gpio driver.

Signed-off-by: Sean Anderson <seanga2 at gmail.com>
---

Changes in v5:
- New

 drivers/gpio/dwapb_gpio.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/dwapb_gpio.c b/drivers/gpio/dwapb_gpio.c
index 56dcad36f0..09abab5c39 100644
--- a/drivers/gpio/dwapb_gpio.c
+++ b/drivers/gpio/dwapb_gpio.c
@@ -184,7 +184,15 @@ static int gpio_dwapb_bind(struct udevice *dev)
 			 * Fall back to node name. This means accessing pins
 			 * via bank name won't work.
 			 */
-			plat->name = ofnode_get_name(node);
+			char name[32];
+
+			snprintf(name, sizeof(name), "%s_",
+				 ofnode_get_name(node));
+			plat->name = strdup(name);
+			if (!plat->name) {
+				kfree(plat);
+				return -ENOMEM;
+			}
 		}
 
 		ret = device_bind_ofnode(dev, dev->driver, plat->name,
-- 
2.25.0