#include "hcd.h"
#include "hub.h"
+struct usb_hub {
+ struct device *intfdev; /* the "interface" device */
+ struct usb_device *hdev;
+ struct urb *urb; /* for interrupt polling pipe */
+
+ /* buffer for urb ... with extra space in case of babble */
+ char (*buffer)[8];
+ dma_addr_t buffer_dma; /* DMA address for buffer */
+ union {
+ struct usb_hub_status hub;
+ struct usb_port_status port;
+ } *status; /* buffer for status reports */
+
+ int error; /* last reported error */
+ int nerrors; /* track consecutive errors */
+
+ struct list_head event_list; /* hubs w/data or errs ready */
+ unsigned long event_bits[1]; /* status change bitmask */
+ unsigned long change_bits[1]; /* ports with logical connect
+ status change */
+ unsigned long busy_bits[1]; /* ports being reset or
+ resumed */
+#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */
+#error event_bits[] is too short!
+#endif
+
+ struct usb_hub_descriptor *descriptor; /* class descriptor */
+ struct usb_tt tt; /* Transaction Translator */
+
+ unsigned mA_per_port; /* current for each child */
+
+ unsigned limited_power:1;
+ unsigned quiescing:1;
+ unsigned activating:1;
+ unsigned resume_root_hub:1;
+
+ unsigned has_indicators:1;
+ u8 indicator[USB_MAXCHILDREN];
+ struct work_struct leds;
+};
+
+
/* Protect struct usb_device->state and ->children members
* Note: Both are also protected by ->dev.sem, except that ->state can
* change to USB_STATE_NOTATTACHED even when the semaphore isn't held. */
extern void usb_hub_tt_clear_buffer (struct usb_device *dev, int pipe);
-struct usb_hub {
- struct device *intfdev; /* the "interface" device */
- struct usb_device *hdev;
- struct urb *urb; /* for interrupt polling pipe */
-
- /* buffer for urb ... with extra space in case of babble */
- char (*buffer)[8];
- dma_addr_t buffer_dma; /* DMA address for buffer */
- union {
- struct usb_hub_status hub;
- struct usb_port_status port;
- } *status; /* buffer for status reports */
-
- int error; /* last reported error */
- int nerrors; /* track consecutive errors */
-
- struct list_head event_list; /* hubs w/data or errs ready */
- unsigned long event_bits[1]; /* status change bitmask */
- unsigned long change_bits[1]; /* ports with logical connect
- status change */
- unsigned long busy_bits[1]; /* ports being reset or
- resumed */
-#if USB_MAXCHILDREN > 31 /* 8*sizeof(unsigned long) - 1 */
-#error event_bits[] is too short!
-#endif
-
- struct usb_hub_descriptor *descriptor; /* class descriptor */
- struct usb_tt tt; /* Transaction Translator */
-
- unsigned mA_per_port; /* current for each child */
-
- unsigned limited_power:1;
- unsigned quiescing:1;
- unsigned activating:1;
- unsigned resume_root_hub:1;
-
- unsigned has_indicators:1;
- u8 indicator[USB_MAXCHILDREN];
- struct work_struct leds;
-};
-
#endif /* __LINUX_HUB_H */