diff options
Diffstat (limited to '0001-USB-move-usb-debugfs-directory-creation-to-the-usb-c.patch')
| -rw-r--r-- | 0001-USB-move-usb-debugfs-directory-creation-to-the-usb-c.patch | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/0001-USB-move-usb-debugfs-directory-creation-to-the-usb-c.patch b/0001-USB-move-usb-debugfs-directory-creation-to-the-usb-c.patch deleted file mode 100644 index 4cb09f67b68bdd..00000000000000 --- a/0001-USB-move-usb-debugfs-directory-creation-to-the-usb-c.patch +++ /dev/null @@ -1,159 +0,0 @@ -From 34fef47efd28235e5dcee8cfba449ea98b86dfed Mon Sep 17 00:00:00 2001 -From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -Date: Tue, 4 Jun 2019 16:07:40 +0200 -Subject: [PATCH] USB: move usb debugfs directory creation to the usb common - core - -The USB gadget subsystem wants to use the USB debugfs root directory, so -move it to the common "core" USB code so that it is properly initialized -and removed as needed. - -In order to properly do this, we need to load the common code before the -usb core code, when everything is linked into the kernel, so reorder the -link order of the code. - -Also as the usb common code has the possibility of the led trigger logic -to be merged into it, handle the build option properly by only having -one module init/exit function and have the common code initialize the -led trigger if needed. - -Reported-by: Chunfeng Yun <chunfeng.yun@mediatek.com> -Cc: Felipe Balbi <felipe.balbi@linux.intel.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/usb/Makefile | 3 +-- - drivers/usb/common/common.c | 21 +++++++++++++++++++++ - drivers/usb/common/common.h | 14 ++++++++++++++ - drivers/usb/common/led.c | 9 +++------ - drivers/usb/core/usb.c | 10 ++++------ - 5 files changed, 43 insertions(+), 14 deletions(-) - create mode 100644 drivers/usb/common/common.h - ---- a/drivers/usb/Makefile -+++ b/drivers/usb/Makefile -@@ -5,6 +5,7 @@ - - # Object files in subdirectories - -+obj-$(CONFIG_USB_COMMON) += common/ - obj-$(CONFIG_USB) += core/ - obj-$(CONFIG_USB_SUPPORT) += phy/ - -@@ -60,8 +61,6 @@ obj-$(CONFIG_USB_CHIPIDEA) += chipidea/ - obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs/ - obj-$(CONFIG_USB_GADGET) += gadget/ - --obj-$(CONFIG_USB_COMMON) += common/ -- - obj-$(CONFIG_USBIP_CORE) += usbip/ - - obj-$(CONFIG_TYPEC) += typec/ ---- a/drivers/usb/common/common.c -+++ b/drivers/usb/common/common.c -@@ -15,6 +15,8 @@ - #include <linux/usb/of.h> - #include <linux/usb/otg.h> - #include <linux/of_platform.h> -+#include <linux/debugfs.h> -+#include "common.h" - - static const char *const ep_type_names[] = { - [USB_ENDPOINT_XFER_CONTROL] = "ctrl", -@@ -291,4 +293,23 @@ struct device *usb_of_get_companion_dev( - EXPORT_SYMBOL_GPL(usb_of_get_companion_dev); - #endif - -+struct dentry *usb_debug_root; -+EXPORT_SYMBOL_GPL(usb_debug_root); -+ -+static int __init usb_common_init(void) -+{ -+ usb_debug_root = debugfs_create_dir("usb", NULL); -+ ledtrig_usb_init(); -+ return 0; -+} -+ -+static void __exit usb_common_exit(void) -+{ -+ ledtrig_usb_exit(); -+ debugfs_remove_recursive(usb_debug_root); -+} -+ -+subsys_initcall(usb_common_init); -+module_exit(usb_common_exit); -+ - MODULE_LICENSE("GPL"); ---- /dev/null -+++ b/drivers/usb/common/common.h -@@ -0,0 +1,14 @@ -+/* SPDX-License-Identifier: GPL-2.0 */ -+ -+#ifndef __LINUX_USB_COMMON_H -+#define __LINUX_USB_COMMON_H -+ -+#if defined(CONFIG_USB_LED_TRIG) -+void ledtrig_usb_init(void); -+void ledtrig_usb_exit(void); -+#else -+static inline void ledtrig_usb_init(void) { } -+static inline void ledtrig_usb_exit(void) { } -+#endif -+ -+#endif /* __LINUX_USB_COMMON_H */ ---- a/drivers/usb/common/led.c -+++ b/drivers/usb/common/led.c -@@ -10,6 +10,7 @@ - #include <linux/init.h> - #include <linux/leds.h> - #include <linux/usb.h> -+#include "common.h" - - #define BLINK_DELAY 30 - -@@ -36,18 +37,14 @@ void usb_led_activity(enum usb_led_event - EXPORT_SYMBOL_GPL(usb_led_activity); - - --static int __init ledtrig_usb_init(void) -+void __init ledtrig_usb_init(void) - { - led_trigger_register_simple("usb-gadget", &ledtrig_usb_gadget); - led_trigger_register_simple("usb-host", &ledtrig_usb_host); -- return 0; - } - --static void __exit ledtrig_usb_exit(void) -+void __exit ledtrig_usb_exit(void) - { - led_trigger_unregister_simple(ledtrig_usb_gadget); - led_trigger_unregister_simple(ledtrig_usb_host); - } -- --module_init(ledtrig_usb_init); --module_exit(ledtrig_usb_exit); ---- a/drivers/usb/core/usb.c -+++ b/drivers/usb/core/usb.c -@@ -1185,19 +1185,17 @@ static struct notifier_block usb_bus_nb - .notifier_call = usb_bus_notify, - }; - --struct dentry *usb_debug_root; --EXPORT_SYMBOL_GPL(usb_debug_root); -+static struct dentry *usb_devices_root; - - static void usb_debugfs_init(void) - { -- usb_debug_root = debugfs_create_dir("usb", NULL); -- debugfs_create_file("devices", 0444, usb_debug_root, NULL, -- &usbfs_devices_fops); -+ usb_devices_root = debugfs_create_file("devices", 0444, usb_debug_root, -+ NULL, &usbfs_devices_fops); - } - - static void usb_debugfs_cleanup(void) - { -- debugfs_remove_recursive(usb_debug_root); -+ debugfs_remove(usb_devices_root); - } - - /* |