diff options
Diffstat (limited to 'recipes-kernel')
| -rw-r--r-- | recipes-kernel/linux/linux-at91-4.9/at91pinctrl_reprobe.patch | 60 | ||||
| -rw-r--r-- | recipes-kernel/linux/linux-at91_4.9.bb | 1 |
2 files changed, 61 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-at91-4.9/at91pinctrl_reprobe.patch b/recipes-kernel/linux/linux-at91-4.9/at91pinctrl_reprobe.patch new file mode 100644 index 0000000..972404c --- /dev/null +++ b/recipes-kernel/linux/linux-at91-4.9/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); diff --git a/recipes-kernel/linux/linux-at91_4.9.bb b/recipes-kernel/linux/linux-at91_4.9.bb index 10e9152..fe728ba 100644 --- a/recipes-kernel/linux/linux-at91_4.9.bb +++ b/recipes-kernel/linux/linux-at91_4.9.bb @@ -31,6 +31,7 @@ SRC_URI_append_mtcdt = "\ file://linux-4.9-mtcdt-device-tree.patch \ file://linux-4.9-add-num_accessory_ports-config-option.patch \ file://950-0090-OF-DT-Overlay-configfs-interface.patch \ + file://at91pinctrl_reprobe.patch \ " DTB_APPEND_mtcdt = "mtcdt" |