From 245069bcef15ecc19db616a967501349b76c84d0 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 10 Jul 2014 11:36:12 +0200 Subject: USB: introduce usb_interface/usb_configuration structs Currently we have two conflicting definitions of struct usb_config_descriptor and struct usb_interface_descriptor in the tree. This is because the USB code uses additional fields in the structs for internal housekeeping. Add struct usb_interface and struct struct usb_configuration with the housekeeping data and embed the corresponding hardware structs into them. This frees the way to use the definitions from ch9.h in the next step. Signed-off-by: Sascha Hauer --- drivers/usb/storage/usb.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers/usb/storage/usb.c') diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c index e4b08b9029..5149761a83 100644 --- a/drivers/usb/storage/usb.c +++ b/drivers/usb/storage/usb.c @@ -441,7 +441,7 @@ static void get_transport(struct us_data *us) } /* Get the endpoint settings */ -static int get_pipes(struct us_data *us, struct usb_interface_descriptor *intf) +static int get_pipes(struct us_data *us, struct usb_interface *intf) { unsigned int i; struct usb_endpoint_descriptor *ep; @@ -455,7 +455,7 @@ static int get_pipes(struct us_data *us, struct usb_interface_descriptor *intf) * An optional interrupt-in is OK (necessary for CBI protocol). * We will ignore any others. */ - for (i = 0; i < intf->bNumEndpoints; i++) { + for (i = 0; i < intf->desc.bNumEndpoints; i++) { ep = &intf->ep_desc[i]; if (USB_EP_IS_XFER_BULK(ep)) { @@ -517,28 +517,28 @@ static int usb_stor_probe(struct usb_device *usbdev, struct us_data *us; int result; int ifno; - struct usb_interface_descriptor *intf; + struct usb_interface *intf; US_DEBUGP("Supported USB Mass Storage device detected\n"); /* scan usbdev interfaces again to find one that we can handle */ for (ifno=0; ifnoconfig.no_of_if; ifno++) { - intf = &usbdev->config.if_desc[ifno]; + intf = &usbdev->config.interface[ifno]; - if (intf->bInterfaceClass == USB_CLASS_MASS_STORAGE && - intf->bInterfaceSubClass == US_SC_SCSI && - intf->bInterfaceProtocol == US_PR_BULK) + if (intf->desc.bInterfaceClass == USB_CLASS_MASS_STORAGE && + intf->desc.bInterfaceSubClass == US_SC_SCSI && + intf->desc.bInterfaceProtocol == US_PR_BULK) break; } if (ifno >= usbdev->config.no_of_if) return -ENXIO; /* select the right interface */ - result = usb_set_interface(usbdev, intf->bInterfaceNumber, 0); + result = usb_set_interface(usbdev, intf->desc.bInterfaceNumber, 0); if (result) return result; - US_DEBUGP("Selected interface %d\n", (int)intf->bInterfaceNumber); + US_DEBUGP("Selected interface %d\n", (int)intf->desc.bInterfaceNumber); /* allocate us_data structure */ us = (struct us_data *)malloc(sizeof(struct us_data)); @@ -549,9 +549,9 @@ static int usb_stor_probe(struct usb_device *usbdev, /* initialize the us_data structure */ us->pusb_dev = usbdev; us->flags = 0; - us->ifnum = intf->bInterfaceNumber; - us->subclass = intf->bInterfaceSubClass; - us->protocol = intf->bInterfaceProtocol; + us->ifnum = intf->desc.bInterfaceNumber; + us->subclass = intf->desc.bInterfaceSubClass; + us->protocol = intf->desc.bInterfaceProtocol; INIT_LIST_HEAD(&us->blk_dev_list); /* get standard transport and protocol settings */ -- cgit v1.2.3