From: seantywork <seantywork@gmail.com>
Date: Fri, 14 Nov 2025 07:47:42 +0000 (+0900)
Subject: gpio chip
X-Git-Url: https://git.feebdaed.xyz/?a=commitdiff_plain;h=a349978a371dfd2e76084731f85bb59002aca9a1;p=linuxyz.git

gpio chip
---

diff --git a/kdev-gpio/kdev_gpio.c b/kdev-gpio/kdev_gpio.c
index 5543075..a80f137 100644
--- a/kdev-gpio/kdev_gpio.c
+++ b/kdev-gpio/kdev_gpio.c
@@ -27,7 +27,7 @@ static int __init kdev_gpio_init(void){
     struct device_node* dn = NULL;
     struct device* d = NULL;
     struct gpio_desc* gd = NULL;
-    dn = of_find_node_by_name(NULL, "gpio");
+    dn = of_find_node_by_name(NULL, "gpiochip0");
     if(dn == NULL){
         printk("failed to find device node: gpio\n");
         return -1;
@@ -37,7 +37,7 @@ static int __init kdev_gpio_init(void){
         printk("failed to get device from node\n");
         return -1;
     }
-    gd = gpiod_get(d, NULL, 0);
+    gd = gpiod_get(d, "GPIO17", 0);
     if(IS_ERR(gd)){
         printk("failed to get desc\n");
         return -1;