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-rw-r--r--drivers/usb/core/sysfs.c30
-rw-r--r--include/linux/usb.h132
2 files changed, 106 insertions, 56 deletions
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index f18317fb49e..4cca77cf0c4 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -221,7 +221,8 @@ static void usb_remove_ep_files(struct usb_host_endpoint *endpoint)
/* Active configuration fields */
#define usb_actconfig_show(field, multiplier, format_string) \
-static ssize_t show_##field (struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##field (struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
struct usb_device *udev; \
struct usb_host_config *actconfig; \
@@ -243,7 +244,8 @@ usb_actconfig_attr (bNumInterfaces, 1, "%2d\n")
usb_actconfig_attr (bmAttributes, 1, "%2x\n")
usb_actconfig_attr (bMaxPower, 2, "%3dmA\n")
-static ssize_t show_configuration_string(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_configuration_string(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
struct usb_host_config *actconfig;
@@ -266,7 +268,8 @@ static DEVICE_ATTR(configuration, S_IRUGO, show_configuration_string, NULL);
usb_actconfig_show(bConfigurationValue, 1, "%u\n");
static ssize_t
-set_bConfigurationValue (struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+set_bConfigurationValue (struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct usb_device *udev = udev = to_usb_device (dev);
int config, value;
@@ -284,7 +287,8 @@ static DEVICE_ATTR(bConfigurationValue, S_IRUGO | S_IWUSR,
/* String fields */
#define usb_string_attr(name) \
-static ssize_t show_##name(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_##name(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
struct usb_device *udev; \
int len; \
@@ -364,7 +368,8 @@ static DEVICE_ATTR(maxchild, S_IRUGO, show_maxchild, NULL);
/* Descriptor fields */
#define usb_descriptor_attr_le16(field, format_string) \
static ssize_t \
-show_##field (struct device *dev, struct device_attribute *attr, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_device *udev; \
\
@@ -380,7 +385,8 @@ usb_descriptor_attr_le16(bcdDevice, "%04x\n")
#define usb_descriptor_attr(field, format_string) \
static ssize_t \
-show_##field (struct device *dev, struct device_attribute *attr, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_device *udev; \
\
@@ -455,11 +461,13 @@ void usb_remove_sysfs_dev_files (struct usb_device *udev)
/* Interface fields */
#define usb_intf_attr(field, format_string) \
static ssize_t \
-show_##field (struct device *dev, struct device_attribute *attr, char *buf) \
+show_##field (struct device *dev, struct device_attribute *attr, \
+ char *buf) \
{ \
struct usb_interface *intf = to_usb_interface (dev); \
\
- return sprintf (buf, format_string, intf->cur_altsetting->desc.field); \
+ return sprintf (buf, format_string, \
+ intf->cur_altsetting->desc.field); \
} \
static DEVICE_ATTR(field, S_IRUGO, show_##field, NULL);
@@ -470,7 +478,8 @@ usb_intf_attr (bInterfaceClass, "%02x\n")
usb_intf_attr (bInterfaceSubClass, "%02x\n")
usb_intf_attr (bInterfaceProtocol, "%02x\n")
-static ssize_t show_interface_string(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_interface_string(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_interface *intf;
struct usb_device *udev;
@@ -487,7 +496,8 @@ static ssize_t show_interface_string(struct device *dev, struct device_attribute
}
static DEVICE_ATTR(interface, S_IRUGO, show_interface_string, NULL);
-static ssize_t show_modalias(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_modalias(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct usb_interface *intf;
struct usb_device *udev;
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 465ff4585ca..c500d6b5a16 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -137,7 +137,8 @@ struct usb_interface {
* active alternate setting */
unsigned num_altsetting; /* number of alternate settings */
- int minor; /* minor number this interface is bound to */
+ int minor; /* minor number this interface is
+ * bound to */
enum usb_interface_condition condition; /* state of binding */
struct device dev; /* interface specific device info */
struct class_device *class_dev;
@@ -249,7 +250,7 @@ int __usb_get_extra_descriptor(char *buffer, unsigned size,
__usb_get_extra_descriptor((ifpoint)->extra,(ifpoint)->extralen,\
type,(void**)ptr)
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
struct usb_operations;
@@ -269,7 +270,8 @@ struct usb_bus {
unsigned is_b_host:1; /* true during some HNP roleswitches */
unsigned b_hnp_enable:1; /* OTG: did A-Host enable HNP? */
- int devnum_next; /* Next open device number in round-robin allocation */
+ int devnum_next; /* Next open device number in
+ * round-robin allocation */
struct usb_devmap devmap; /* device address allocation map */
struct usb_operations *op; /* Operations (specific to the HC) */
@@ -290,15 +292,16 @@ struct usb_bus {
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
struct class_device *class_dev; /* class device for this bus */
- struct kref kref; /* handles reference counting this bus */
- void (*release)(struct usb_bus *bus); /* function to destroy this bus's memory */
+ struct kref kref; /* reference counting for this bus */
+ void (*release)(struct usb_bus *bus);
+
#if defined(CONFIG_USB_MON)
struct mon_bus *mon_bus; /* non-null when associated */
int monitored; /* non-zero when monitored */
#endif
};
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/* This is arbitrary.
* From USB 2.0 spec Table 11-13, offset 7, a hub can
@@ -327,7 +330,8 @@ struct usb_device {
struct semaphore serialize;
- unsigned int toggle[2]; /* one bit for each endpoint ([0] = IN, [1] = OUT) */
+ unsigned int toggle[2]; /* one bit for each endpoint
+ * ([0] = IN, [1] = OUT) */
struct usb_device *parent; /* our hub, unless we're the root */
struct usb_bus *bus; /* Bus we're part of */
@@ -344,7 +348,7 @@ struct usb_device {
char **rawdescriptors; /* Raw descriptors for each config */
- int have_langid; /* whether string_langid is valid yet */
+ int have_langid; /* whether string_langid is valid */
int string_langid; /* language ID for strings */
char *product;
@@ -441,22 +445,31 @@ extern struct usb_host_interface *usb_altnum_to_altsetting(
* USB 2.0 root hubs (EHCI host controllers) will get one path ID if they are
* high speed, and a different one if they are full or low speed.
*/
-static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
+static inline int usb_make_path (struct usb_device *dev, char *buf,
+ size_t size)
{
int actual;
- actual = snprintf (buf, size, "usb-%s-%s", dev->bus->bus_name, dev->devpath);
+ actual = snprintf (buf, size, "usb-%s-%s", dev->bus->bus_name,
+ dev->devpath);
return (actual >= (int)size) ? -1 : actual;
}
/*-------------------------------------------------------------------------*/
-#define USB_DEVICE_ID_MATCH_DEVICE (USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
-#define USB_DEVICE_ID_MATCH_DEV_RANGE (USB_DEVICE_ID_MATCH_DEV_LO | USB_DEVICE_ID_MATCH_DEV_HI)
-#define USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_RANGE)
+#define USB_DEVICE_ID_MATCH_DEVICE \
+ (USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT)
+#define USB_DEVICE_ID_MATCH_DEV_RANGE \
+ (USB_DEVICE_ID_MATCH_DEV_LO | USB_DEVICE_ID_MATCH_DEV_HI)
+#define USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION \
+ (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_DEV_RANGE)
#define USB_DEVICE_ID_MATCH_DEV_INFO \
- (USB_DEVICE_ID_MATCH_DEV_CLASS | USB_DEVICE_ID_MATCH_DEV_SUBCLASS | USB_DEVICE_ID_MATCH_DEV_PROTOCOL)
+ (USB_DEVICE_ID_MATCH_DEV_CLASS | \
+ USB_DEVICE_ID_MATCH_DEV_SUBCLASS | \
+ USB_DEVICE_ID_MATCH_DEV_PROTOCOL)
#define USB_DEVICE_ID_MATCH_INT_INFO \
- (USB_DEVICE_ID_MATCH_INT_CLASS | USB_DEVICE_ID_MATCH_INT_SUBCLASS | USB_DEVICE_ID_MATCH_INT_PROTOCOL)
+ (USB_DEVICE_ID_MATCH_INT_CLASS | \
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS | \
+ USB_DEVICE_ID_MATCH_INT_PROTOCOL)
/**
* USB_DEVICE - macro used to describe a specific usb device
@@ -467,9 +480,11 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
* specific device.
*/
#define USB_DEVICE(vend,prod) \
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), .idProduct = (prod)
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE, .idVendor = (vend), \
+ .idProduct = (prod)
/**
- * USB_DEVICE_VER - macro used to describe a specific usb device with a version range
+ * USB_DEVICE_VER - macro used to describe a specific usb device with a
+ * version range
* @vend: the 16 bit USB Vendor ID
* @prod: the 16 bit USB Product ID
* @lo: the bcdDevice_lo value
@@ -479,7 +494,9 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
* specific device, with a version range.
*/
#define USB_DEVICE_VER(vend,prod,lo,hi) \
- .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, .idVendor = (vend), .idProduct = (prod), .bcdDevice_lo = (lo), .bcdDevice_hi = (hi)
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION, \
+ .idVendor = (vend), .idProduct = (prod), \
+ .bcdDevice_lo = (lo), .bcdDevice_hi = (hi)
/**
* USB_DEVICE_INFO - macro used to describe a class of usb devices
@@ -491,7 +508,8 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
* specific class of devices.
*/
#define USB_DEVICE_INFO(cl,sc,pr) \
- .match_flags = USB_DEVICE_ID_MATCH_DEV_INFO, .bDeviceClass = (cl), .bDeviceSubClass = (sc), .bDeviceProtocol = (pr)
+ .match_flags = USB_DEVICE_ID_MATCH_DEV_INFO, .bDeviceClass = (cl), \
+ .bDeviceSubClass = (sc), .bDeviceProtocol = (pr)
/**
* USB_INTERFACE_INFO - macro used to describe a class of usb interfaces
@@ -503,9 +521,10 @@ static inline int usb_make_path (struct usb_device *dev, char *buf, size_t size)
* specific class of interfaces.
*/
#define USB_INTERFACE_INFO(cl,sc,pr) \
- .match_flags = USB_DEVICE_ID_MATCH_INT_INFO, .bInterfaceClass = (cl), .bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
+ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO, .bInterfaceClass = (cl), \
+ .bInterfaceSubClass = (sc), .bInterfaceProtocol = (pr)
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/**
* struct usb_driver - identifies USB driver to usbcore
@@ -558,7 +577,8 @@ struct usb_driver {
void (*disconnect) (struct usb_interface *intf);
- int (*ioctl) (struct usb_interface *intf, unsigned int code, void *buf);
+ int (*ioctl) (struct usb_interface *intf, unsigned int code,
+ void *buf);
int (*suspend) (struct usb_interface *intf, pm_message_t message);
int (*resume) (struct usb_interface *intf);
@@ -601,7 +621,7 @@ extern void usb_deregister_dev(struct usb_interface *intf,
extern int usb_disabled(void);
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/*
* URB support, for asynchronous request completions
@@ -611,12 +631,14 @@ extern int usb_disabled(void);
* urb->transfer_flags:
*/
#define URB_SHORT_NOT_OK 0x0001 /* report short reads as errors */
-#define URB_ISO_ASAP 0x0002 /* iso-only, urb->start_frame ignored */
+#define URB_ISO_ASAP 0x0002 /* iso-only, urb->start_frame
+ * ignored */
#define URB_NO_TRANSFER_DMA_MAP 0x0004 /* urb->transfer_dma valid on submit */
#define URB_NO_SETUP_DMA_MAP 0x0008 /* urb->setup_dma valid on submit */
#define URB_NO_FSBR 0x0020 /* UHCI-specific */
-#define URB_ZERO_PACKET 0x0040 /* Finish bulk OUTs with short packet */
-#define URB_NO_INTERRUPT 0x0080 /* HINT: no non-error interrupt needed */
+#define URB_ZERO_PACKET 0x0040 /* Finish bulk OUT with short packet */
+#define URB_NO_INTERRUPT 0x0080 /* HINT: no non-error interrupt
+ * needed */
struct usb_iso_packet_descriptor {
unsigned int offset;
@@ -804,7 +826,8 @@ struct urb
u8 reject; /* submissions will fail */
/* public, documented fields in the urb that can be used by drivers */
- struct list_head urb_list; /* list head for use by the urb owner */
+ struct list_head urb_list; /* list head for use by the urb's
+ * current owner */
struct usb_device *dev; /* (in) pointer to associated device */
unsigned int pipe; /* (in) pipe information */
int status; /* (return) non-ISO status */
@@ -817,14 +840,16 @@ struct urb
dma_addr_t setup_dma; /* (in) dma addr for setup_packet */
int start_frame; /* (modify) start frame (ISO) */
int number_of_packets; /* (in) number of ISO packets */
- int interval; /* (modify) transfer interval (INT/ISO) */
+ int interval; /* (modify) transfer interval
+ * (INT/ISO) */
int error_count; /* (return) number of ISO errors */
void *context; /* (in) context for completion */
usb_complete_t complete; /* (in) completion routine */
- struct usb_iso_packet_descriptor iso_frame_desc[0]; /* (in) ISO ONLY */
+ struct usb_iso_packet_descriptor iso_frame_desc[0];
+ /* (in) ISO ONLY */
};
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/**
* usb_fill_control_urb - initializes a control urb
@@ -1049,7 +1074,7 @@ void usb_sg_cancel (struct usb_sg_request *io);
void usb_sg_wait (struct usb_sg_request *io);
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/*
* For various legacy reasons, Linux has a small cookie that's paired with
@@ -1090,23 +1115,34 @@ void usb_sg_wait (struct usb_sg_request *io);
/* The D0/D1 toggle bits ... USE WITH CAUTION (they're almost hcd-internal) */
#define usb_gettoggle(dev, ep, out) (((dev)->toggle[out] >> (ep)) & 1)
#define usb_dotoggle(dev, ep, out) ((dev)->toggle[out] ^= (1 << (ep)))
-#define usb_settoggle(dev, ep, out, bit) ((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | ((bit) << (ep)))
+#define usb_settoggle(dev, ep, out, bit) \
+ ((dev)->toggle[out] = ((dev)->toggle[out] & ~(1 << (ep))) | \
+ ((bit) << (ep)))
-static inline unsigned int __create_pipe(struct usb_device *dev, unsigned int endpoint)
+static inline unsigned int __create_pipe(struct usb_device *dev,
+ unsigned int endpoint)
{
return (dev->devnum << 8) | (endpoint << 15);
}
/* Create various pipes... */
-#define usb_sndctrlpipe(dev,endpoint) ((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvctrlpipe(dev,endpoint) ((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndisocpipe(dev,endpoint) ((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvisocpipe(dev,endpoint) ((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndbulkpipe(dev,endpoint) ((PIPE_BULK << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvbulkpipe(dev,endpoint) ((PIPE_BULK << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
-#define usb_sndintpipe(dev,endpoint) ((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint))
-#define usb_rcvintpipe(dev,endpoint) ((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndctrlpipe(dev,endpoint) \
+ ((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvctrlpipe(dev,endpoint) \
+ ((PIPE_CONTROL << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndisocpipe(dev,endpoint) \
+ ((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvisocpipe(dev,endpoint) \
+ ((PIPE_ISOCHRONOUS << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndbulkpipe(dev,endpoint) \
+ ((PIPE_BULK << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvbulkpipe(dev,endpoint) \
+ ((PIPE_BULK << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
+#define usb_sndintpipe(dev,endpoint) \
+ ((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint))
+#define usb_rcvintpipe(dev,endpoint) \
+ ((PIPE_INTERRUPT << 30) | __create_pipe(dev,endpoint) | USB_DIR_IN)
/*-------------------------------------------------------------------------*/
@@ -1130,7 +1166,7 @@ usb_maxpacket(struct usb_device *udev, int pipe, int is_out)
return le16_to_cpu(ep->desc.wMaxPacketSize);
}
-/* -------------------------------------------------------------------------- */
+/* ----------------------------------------------------------------------- */
/* Events from the usb core */
#define USB_DEVICE_ADD 0x0001
@@ -1141,14 +1177,18 @@ extern void usb_register_notify(struct notifier_block *nb);
extern void usb_unregister_notify(struct notifier_block *nb);
#ifdef DEBUG
-#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , ## arg)
+#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , \
+ __FILE__ , ## arg)
#else
#define dbg(format, arg...) do {} while (0)
#endif
-#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , __FILE__ , ## arg)
-#define info(format, arg...) printk(KERN_INFO "%s: " format "\n" , __FILE__ , ## arg)
-#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n" , __FILE__ , ## arg)
+#define err(format, arg...) printk(KERN_ERR "%s: " format "\n" , \
+ __FILE__ , ## arg)
+#define info(format, arg...) printk(KERN_INFO "%s: " format "\n" , \
+ __FILE__ , ## arg)
+#define warn(format, arg...) printk(KERN_WARNING "%s: " format "\n" , \
+ __FILE__ , ## arg)
#endif /* __KERNEL__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 09:34:53 +0000