Skip to content

K
Kernel

openeuler / Kernel
1 年多 前同步成功

通知 8
Star 0
Fork 0
K
Kernel
提交 b724ae77 编写于 作者: A Alan Stern 提交者： Greg Kroah-Hartman
浏览文件
操作

[PATCH] usbcore: Wrap lines before column 80 

I can't stand text lines that wrap-around in my 80-column windows.  This
patch (as589) makes cosmetic changes to a couple of source files.
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 0e6c8e8d
隐藏空白更改
内联 并排
Showing with 106 addition and 56 deletion
drivers/usb/core/sysfs.c
浏览文件 @ b724ae77
......@@ -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;
......
include/linux/usb.h
浏览文件 @ b724ae77
......@@ -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__ */
......
Markdown is supported
0% 或 .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑！
想要评论请 注册 或