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usb: Make pollable int support available outside of ehci-hcd.c

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Hans de Goede 2014-09-24 14:06:06 +02:00 committed by Marek Vasut
parent 8aa26b8e48
commit 8460b89a6d
2 changed files with 10 additions and 1 deletions
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2
drivers/usb/host/ehci-hcd.c
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@ -1340,7 +1340,7 @@ void *poll_int_queue(struct usb_device *dev, struct int_queue *queue)
}
/* Do not free buffers associated with QHs, they're owned by someone else */
static int
int
destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
{
struct ehci_ctrl *ctrl = dev->controller;

9
include/usb.h
View File

@ -129,6 +129,8 @@ struct usb_device {
unsigned int slot_id;
};
struct int_queue;
/*
* You can initialize platform's USB host or device
* ports by passing this enum as an argument to
@ -163,6 +165,13 @@ int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
int transfer_len, int interval);
#ifdef CONFIG_USB_EHCI /* Only the ehci code has pollable int support */
struct int_queue *create_int_queue(struct usb_device *dev, unsigned long pipe,
int queuesize, int elementsize, void *buffer);
int destroy_int_queue(struct usb_device *dev, struct int_queue *queue);
void *poll_int_queue(struct usb_device *dev, struct int_queue *queue);
#endif
/* Defines */
#define USB_UHCI_VEND_ID 0x8086
#define USB_UHCI_DEV_ID 0x7112