Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * drivers/usb/core/sysfs.c |
| 3 | * |
| 4 | * (C) Copyright 2002 David Brownell |
| 5 | * (C) Copyright 2002,2004 Greg Kroah-Hartman |
| 6 | * (C) Copyright 2002,2004 IBM Corp. |
| 7 | * |
| 8 | * All of the sysfs file attributes for usb devices and interfaces. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | |
| 13 | #include <linux/config.h> |
| 14 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <linux/usb.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include "usb.h" |
| 17 | |
| 18 | /* Active configuration fields */ |
| 19 | #define usb_actconfig_show(field, multiplier, format_string) \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 20 | static ssize_t show_##field (struct device *dev, \ |
| 21 | struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | { \ |
| 23 | struct usb_device *udev; \ |
| 24 | struct usb_host_config *actconfig; \ |
| 25 | \ |
| 26 | udev = to_usb_device (dev); \ |
| 27 | actconfig = udev->actconfig; \ |
| 28 | if (actconfig) \ |
| 29 | return sprintf (buf, format_string, \ |
| 30 | actconfig->desc.field * multiplier); \ |
| 31 | else \ |
| 32 | return 0; \ |
| 33 | } \ |
| 34 | |
| 35 | #define usb_actconfig_attr(field, multiplier, format_string) \ |
| 36 | usb_actconfig_show(field, multiplier, format_string) \ |
| 37 | static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); |
| 38 | |
| 39 | usb_actconfig_attr (bNumInterfaces, 1, "%2d\n") |
| 40 | usb_actconfig_attr (bmAttributes, 1, "%2x\n") |
| 41 | usb_actconfig_attr (bMaxPower, 2, "%3dmA\n") |
| 42 | |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 43 | static ssize_t show_configuration_string(struct device *dev, |
| 44 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | { |
| 46 | struct usb_device *udev; |
| 47 | struct usb_host_config *actconfig; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
| 49 | udev = to_usb_device (dev); |
| 50 | actconfig = udev->actconfig; |
| 51 | if ((!actconfig) || (!actconfig->string)) |
| 52 | return 0; |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 53 | return sprintf(buf, "%s\n", actconfig->string); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | } |
| 55 | static DEVICE_ATTR(configuration, S_IRUGO, show_configuration_string, NULL); |
| 56 | |
| 57 | /* configuration value is always present, and r/w */ |
| 58 | usb_actconfig_show(bConfigurationValue, 1, "%u\n"); |
| 59 | |
| 60 | static ssize_t |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 61 | set_bConfigurationValue (struct device *dev, struct device_attribute *attr, |
| 62 | const char *buf, size_t count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | { |
| 64 | struct usb_device *udev = udev = to_usb_device (dev); |
| 65 | int config, value; |
| 66 | |
| 67 | if (sscanf (buf, "%u", &config) != 1 || config > 255) |
| 68 | return -EINVAL; |
| 69 | usb_lock_device(udev); |
| 70 | value = usb_set_configuration (udev, config); |
| 71 | usb_unlock_device(udev); |
| 72 | return (value < 0) ? value : count; |
| 73 | } |
| 74 | |
| 75 | static DEVICE_ATTR(bConfigurationValue, S_IRUGO | S_IWUSR, |
| 76 | show_bConfigurationValue, set_bConfigurationValue); |
| 77 | |
| 78 | /* String fields */ |
| 79 | #define usb_string_attr(name) \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 80 | static ssize_t show_##name(struct device *dev, \ |
| 81 | struct device_attribute *attr, char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | { \ |
| 83 | struct usb_device *udev; \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | \ |
| 85 | udev = to_usb_device (dev); \ |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 86 | return sprintf(buf, "%s\n", udev->name); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | } \ |
| 88 | static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL); |
| 89 | |
| 90 | usb_string_attr(product); |
| 91 | usb_string_attr(manufacturer); |
| 92 | usb_string_attr(serial); |
| 93 | |
| 94 | static ssize_t |
Yani Ioannou | 10523b3 | 2005-05-17 06:43:37 -0400 | [diff] [blame] | 95 | show_speed (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | { |
| 97 | struct usb_device *udev; |
| 98 | char *speed; |
| 99 | |
| 100 | udev = to_usb_device (dev); |
| 101 | |
| 102 | switch (udev->speed) { |
| 103 | case USB_SPEED_LOW: |
| 104 | speed = "1.5"; |
| 105 | break; |
| 106 | case USB_SPEED_UNKNOWN: |
| 107 | case USB_SPEED_FULL: |
| 108 | speed = "12"; |
| 109 | break; |
| 110 | case USB_SPEED_HIGH: |
| 111 | speed = "480"; |
| 112 | break; |
| 113 | default: |
| 114 | speed = "unknown"; |
| 115 | } |
| 116 | return sprintf (buf, "%s\n", speed); |
| 117 | } |
| 118 | static DEVICE_ATTR(speed, S_IRUGO, show_speed, NULL); |
| 119 | |
| 120 | static ssize_t |
Yani Ioannou | 10523b3 | 2005-05-17 06:43:37 -0400 | [diff] [blame] | 121 | show_devnum (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | { |
| 123 | struct usb_device *udev; |
| 124 | |
| 125 | udev = to_usb_device (dev); |
| 126 | return sprintf (buf, "%d\n", udev->devnum); |
| 127 | } |
| 128 | static DEVICE_ATTR(devnum, S_IRUGO, show_devnum, NULL); |
| 129 | |
| 130 | static ssize_t |
Yani Ioannou | 10523b3 | 2005-05-17 06:43:37 -0400 | [diff] [blame] | 131 | show_version (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | { |
| 133 | struct usb_device *udev; |
| 134 | u16 bcdUSB; |
| 135 | |
| 136 | udev = to_usb_device(dev); |
| 137 | bcdUSB = le16_to_cpu(udev->descriptor.bcdUSB); |
| 138 | return sprintf(buf, "%2x.%02x\n", bcdUSB >> 8, bcdUSB & 0xff); |
| 139 | } |
| 140 | static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); |
| 141 | |
| 142 | static ssize_t |
Yani Ioannou | 10523b3 | 2005-05-17 06:43:37 -0400 | [diff] [blame] | 143 | show_maxchild (struct device *dev, struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | { |
| 145 | struct usb_device *udev; |
| 146 | |
| 147 | udev = to_usb_device (dev); |
| 148 | return sprintf (buf, "%d\n", udev->maxchild); |
| 149 | } |
| 150 | static DEVICE_ATTR(maxchild, S_IRUGO, show_maxchild, NULL); |
| 151 | |
| 152 | /* Descriptor fields */ |
| 153 | #define usb_descriptor_attr_le16(field, format_string) \ |
| 154 | static ssize_t \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 155 | show_##field (struct device *dev, struct device_attribute *attr, \ |
| 156 | char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | { \ |
| 158 | struct usb_device *udev; \ |
| 159 | \ |
| 160 | udev = to_usb_device (dev); \ |
| 161 | return sprintf (buf, format_string, \ |
| 162 | le16_to_cpu(udev->descriptor.field)); \ |
| 163 | } \ |
| 164 | static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); |
| 165 | |
| 166 | usb_descriptor_attr_le16(idVendor, "%04x\n") |
| 167 | usb_descriptor_attr_le16(idProduct, "%04x\n") |
| 168 | usb_descriptor_attr_le16(bcdDevice, "%04x\n") |
| 169 | |
| 170 | #define usb_descriptor_attr(field, format_string) \ |
| 171 | static ssize_t \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 172 | show_##field (struct device *dev, struct device_attribute *attr, \ |
| 173 | char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | { \ |
| 175 | struct usb_device *udev; \ |
| 176 | \ |
| 177 | udev = to_usb_device (dev); \ |
| 178 | return sprintf (buf, format_string, udev->descriptor.field); \ |
| 179 | } \ |
| 180 | static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); |
| 181 | |
| 182 | usb_descriptor_attr (bDeviceClass, "%02x\n") |
| 183 | usb_descriptor_attr (bDeviceSubClass, "%02x\n") |
| 184 | usb_descriptor_attr (bDeviceProtocol, "%02x\n") |
| 185 | usb_descriptor_attr (bNumConfigurations, "%d\n") |
Greg Kroah-Hartman | cf5910b | 2005-06-29 16:53:29 -0700 | [diff] [blame] | 186 | usb_descriptor_attr (bMaxPacketSize0, "%d\n") |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | |
| 188 | static struct attribute *dev_attrs[] = { |
| 189 | /* current configuration's attributes */ |
| 190 | &dev_attr_bNumInterfaces.attr, |
| 191 | &dev_attr_bConfigurationValue.attr, |
| 192 | &dev_attr_bmAttributes.attr, |
| 193 | &dev_attr_bMaxPower.attr, |
| 194 | /* device attributes */ |
| 195 | &dev_attr_idVendor.attr, |
| 196 | &dev_attr_idProduct.attr, |
| 197 | &dev_attr_bcdDevice.attr, |
| 198 | &dev_attr_bDeviceClass.attr, |
| 199 | &dev_attr_bDeviceSubClass.attr, |
| 200 | &dev_attr_bDeviceProtocol.attr, |
| 201 | &dev_attr_bNumConfigurations.attr, |
Greg Kroah-Hartman | cf5910b | 2005-06-29 16:53:29 -0700 | [diff] [blame] | 202 | &dev_attr_bMaxPacketSize0.attr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | &dev_attr_speed.attr, |
| 204 | &dev_attr_devnum.attr, |
| 205 | &dev_attr_version.attr, |
| 206 | &dev_attr_maxchild.attr, |
| 207 | NULL, |
| 208 | }; |
| 209 | static struct attribute_group dev_attr_grp = { |
| 210 | .attrs = dev_attrs, |
| 211 | }; |
| 212 | |
| 213 | void usb_create_sysfs_dev_files (struct usb_device *udev) |
| 214 | { |
| 215 | struct device *dev = &udev->dev; |
| 216 | |
| 217 | sysfs_create_group(&dev->kobj, &dev_attr_grp); |
| 218 | |
| 219 | if (udev->manufacturer) |
| 220 | device_create_file (dev, &dev_attr_manufacturer); |
| 221 | if (udev->product) |
| 222 | device_create_file (dev, &dev_attr_product); |
| 223 | if (udev->serial) |
| 224 | device_create_file (dev, &dev_attr_serial); |
| 225 | device_create_file (dev, &dev_attr_configuration); |
Greg Kroah-Hartman | 36679ea | 2006-06-14 12:14:34 -0700 | [diff] [blame^] | 226 | usb_create_ep_files(dev, &udev->ep0, udev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | } |
| 228 | |
| 229 | void usb_remove_sysfs_dev_files (struct usb_device *udev) |
| 230 | { |
| 231 | struct device *dev = &udev->dev; |
| 232 | |
Alan Stern | be69e5b | 2005-10-25 15:56:06 -0400 | [diff] [blame] | 233 | usb_remove_ep_files(&udev->ep0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | sysfs_remove_group(&dev->kobj, &dev_attr_grp); |
| 235 | |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 236 | if (udev->manufacturer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | device_remove_file(dev, &dev_attr_manufacturer); |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 238 | if (udev->product) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | device_remove_file(dev, &dev_attr_product); |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 240 | if (udev->serial) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | device_remove_file(dev, &dev_attr_serial); |
| 242 | device_remove_file (dev, &dev_attr_configuration); |
| 243 | } |
| 244 | |
| 245 | /* Interface fields */ |
| 246 | #define usb_intf_attr(field, format_string) \ |
| 247 | static ssize_t \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 248 | show_##field (struct device *dev, struct device_attribute *attr, \ |
| 249 | char *buf) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | { \ |
| 251 | struct usb_interface *intf = to_usb_interface (dev); \ |
| 252 | \ |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 253 | return sprintf (buf, format_string, \ |
| 254 | intf->cur_altsetting->desc.field); \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | } \ |
| 256 | static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL); |
| 257 | |
| 258 | usb_intf_attr (bInterfaceNumber, "%02x\n") |
| 259 | usb_intf_attr (bAlternateSetting, "%2d\n") |
| 260 | usb_intf_attr (bNumEndpoints, "%02x\n") |
| 261 | usb_intf_attr (bInterfaceClass, "%02x\n") |
| 262 | usb_intf_attr (bInterfaceSubClass, "%02x\n") |
| 263 | usb_intf_attr (bInterfaceProtocol, "%02x\n") |
| 264 | |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 265 | static ssize_t show_interface_string(struct device *dev, |
| 266 | struct device_attribute *attr, char *buf) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | { |
| 268 | struct usb_interface *intf; |
| 269 | struct usb_device *udev; |
| 270 | int len; |
| 271 | |
| 272 | intf = to_usb_interface (dev); |
| 273 | udev = interface_to_usbdev (intf); |
| 274 | len = snprintf(buf, 256, "%s", intf->cur_altsetting->string); |
| 275 | if (len < 0) |
| 276 | return 0; |
| 277 | buf[len] = '\n'; |
| 278 | buf[len+1] = 0; |
| 279 | return len+1; |
| 280 | } |
| 281 | static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL); |
| 282 | |
Alan Stern | b724ae7 | 2005-10-24 15:36:00 -0400 | [diff] [blame] | 283 | static ssize_t show_modalias(struct device *dev, |
| 284 | struct device_attribute *attr, char *buf) |
Greg KH | 360b52b | 2005-05-10 06:45:10 -0700 | [diff] [blame] | 285 | { |
| 286 | struct usb_interface *intf; |
| 287 | struct usb_device *udev; |
Greg Kroah-Hartman | 7521803 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 288 | struct usb_host_interface *alt; |
Greg KH | 360b52b | 2005-05-10 06:45:10 -0700 | [diff] [blame] | 289 | |
| 290 | intf = to_usb_interface(dev); |
| 291 | udev = interface_to_usbdev(intf); |
Greg Kroah-Hartman | 7521803 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 292 | alt = intf->cur_altsetting; |
Greg KH | 360b52b | 2005-05-10 06:45:10 -0700 | [diff] [blame] | 293 | |
Greg Kroah-Hartman | 7521803 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 294 | return sprintf(buf, "usb:v%04Xp%04Xd%04Xdc%02Xdsc%02Xdp%02X" |
| 295 | "ic%02Xisc%02Xip%02X\n", |
| 296 | le16_to_cpu(udev->descriptor.idVendor), |
| 297 | le16_to_cpu(udev->descriptor.idProduct), |
| 298 | le16_to_cpu(udev->descriptor.bcdDevice), |
| 299 | udev->descriptor.bDeviceClass, |
| 300 | udev->descriptor.bDeviceSubClass, |
| 301 | udev->descriptor.bDeviceProtocol, |
| 302 | alt->desc.bInterfaceClass, |
| 303 | alt->desc.bInterfaceSubClass, |
| 304 | alt->desc.bInterfaceProtocol); |
Greg KH | 360b52b | 2005-05-10 06:45:10 -0700 | [diff] [blame] | 305 | } |
| 306 | static DEVICE_ATTR(modalias, S_IRUGO, show_modalias, NULL); |
| 307 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | static struct attribute *intf_attrs[] = { |
| 309 | &dev_attr_bInterfaceNumber.attr, |
| 310 | &dev_attr_bAlternateSetting.attr, |
| 311 | &dev_attr_bNumEndpoints.attr, |
| 312 | &dev_attr_bInterfaceClass.attr, |
| 313 | &dev_attr_bInterfaceSubClass.attr, |
| 314 | &dev_attr_bInterfaceProtocol.attr, |
Greg KH | 360b52b | 2005-05-10 06:45:10 -0700 | [diff] [blame] | 315 | &dev_attr_modalias.attr, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | NULL, |
| 317 | }; |
| 318 | static struct attribute_group intf_attr_grp = { |
| 319 | .attrs = intf_attrs, |
| 320 | }; |
| 321 | |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 322 | static inline void usb_create_intf_ep_files(struct usb_interface *intf, |
| 323 | struct usb_device *udev) |
Greg Kroah-Hartman | 094f1649 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 324 | { |
| 325 | struct usb_host_interface *iface_desc; |
| 326 | int i; |
| 327 | |
| 328 | iface_desc = intf->cur_altsetting; |
| 329 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) |
Greg Kroah-Hartman | 36679ea | 2006-06-14 12:14:34 -0700 | [diff] [blame^] | 330 | usb_create_ep_files(&intf->dev, &iface_desc->endpoint[i], |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 331 | udev); |
Greg Kroah-Hartman | 094f1649 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 332 | } |
| 333 | |
Alan Stern | be69e5b | 2005-10-25 15:56:06 -0400 | [diff] [blame] | 334 | static inline void usb_remove_intf_ep_files(struct usb_interface *intf) |
Greg Kroah-Hartman | 094f1649 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 335 | { |
| 336 | struct usb_host_interface *iface_desc; |
| 337 | int i; |
| 338 | |
| 339 | iface_desc = intf->cur_altsetting; |
| 340 | for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) |
Alan Stern | be69e5b | 2005-10-25 15:56:06 -0400 | [diff] [blame] | 341 | usb_remove_ep_files(&iface_desc->endpoint[i]); |
Greg Kroah-Hartman | 094f1649 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 342 | } |
| 343 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | void usb_create_sysfs_intf_files (struct usb_interface *intf) |
| 345 | { |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 346 | struct usb_device *udev = interface_to_usbdev(intf); |
| 347 | struct usb_host_interface *alt = intf->cur_altsetting; |
| 348 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | sysfs_create_group(&intf->dev.kobj, &intf_attr_grp); |
| 350 | |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 351 | if (alt->string == NULL) |
| 352 | alt->string = usb_cache_string(udev, alt->desc.iInterface); |
| 353 | if (alt->string) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | device_create_file(&intf->dev, &dev_attr_interface); |
Alan Stern | 4f62efe | 2005-10-24 16:24:14 -0400 | [diff] [blame] | 355 | usb_create_intf_ep_files(intf, udev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | void usb_remove_sysfs_intf_files (struct usb_interface *intf) |
| 359 | { |
Greg Kroah-Hartman | 094f1649 | 2005-06-20 21:15:16 -0700 | [diff] [blame] | 360 | usb_remove_intf_ep_files(intf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | sysfs_remove_group(&intf->dev.kobj, &intf_attr_grp); |
| 362 | |
| 363 | if (intf->cur_altsetting->string) |
| 364 | device_remove_file(&intf->dev, &dev_attr_interface); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 365 | } |