1 files changed, 60 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-at91-4.9.87/at91pinctrl_reprobe.patch b/recipes-kernel/linux/linux-at91-4.9.87/at91pinctrl_reprobe.patch
new file mode 100644
index 0000000..972404c
--- /dev/null
+++ b/recipes-kernel/linux/linux-at91-4.9.87/at91pinctrl_reprobe.patch
@@ -0,0 +1,60 @@
+diff -Naru linux-4.9.87.orig/drivers/pinctrl/pinctrl-at91.c linux-4.9.87/drivers/pinctrl/pinctrl-at91.c
+--- linux-4.9.87.orig/drivers/pinctrl/pinctrl-at91.c	2018-12-06 17:41:59.621200529 -0600
++++ linux-4.9.87/drivers/pinctrl/pinctrl-at91.c	2018-12-06 18:06:37.437156779 -0600
+@@ -29,7 +29,7 @@
+ 
+ #define MAX_GPIO_BANKS		5
+ #define MAX_NB_GPIO_PER_BANK	32
+-
++#define PLATFORM_NAME "at91_pinctrl"
+ struct at91_pinctrl_mux_ops;
+ 
+ struct at91_gpio_chip {
+@@ -1224,12 +1224,17 @@
+ 	return 0;
+ }
+ 
++static struct platform_device *at91_pinctrl_platform_device = NULL;
++
+ static int at91_pinctrl_probe(struct platform_device *pdev)
+ {
+ 	struct at91_pinctrl *info;
+ 	struct pinctrl_pin_desc *pdesc;
+ 	int ret, i, j, k, ngpio_chips_enabled = 0;
+ 
++	if (!at91_pinctrl_platform_device)
++		at91_pinctrl_platform_device = pdev;
++	
+ 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
+ 	if (!info)
+ 		return -ENOMEM;
+@@ -1833,8 +1838,29 @@
+ 	&at91_pinctrl_driver,
+ };
+ 
++static ssize_t do_at91_pinctrl_probe(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count)
++{
++	/* Do Probe */
++	if(at91_pinctrl_platform_device)
++		at91_pinctrl_probe(at91_pinctrl_platform_device);
++	else
++		printk(KERN_ALERT "at91pinctrl_platform_device is undefined!\n");
++	return count;
++}
++
++static struct kobj_attribute at91_pinctrl_attr = 
++__ATTR(do_at91_pinctrl_probe, 0200, NULL, do_at91_pinctrl_probe);
++
+ static int __init at91_pinctrl_init(void)
+ {
++	int ret;
++	struct kobject *kobj;
++	kobj = kobject_create_and_add(PLATFORM_NAME, kernel_kobj);
++	if(kobj)
++	{
++		ret = sysfs_create_file(kobj,&at91_pinctrl_attr.attr);
++	} else
++		printk(KERN_ALERT "Could not create platform name %s\n",PLATFORM_NAME);
+ 	return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
+ }
+ arch_initcall(at91_pinctrl_init);