Greg and Matt:
I'm beginning the process of converting device drivers to use
cur_altsetting with usb-storage, the one I know best. Only a few changes
are needed (and the first one isn't even really necessary).
Alan Stern
diff -Nru a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
--- a/drivers/usb/storage/usb.c Mon Mar 1 11:40:11 2004
+++ b/drivers/usb/storage/usb.c Mon Mar 1 11:40:11 2004
@@ -423,7 +423,7 @@
/* Fill in the device-related fields */
us->pusb_dev = interface_to_usbdev(intf);
us->pusb_intf = intf;
- us->ifnum = intf->altsetting->desc.bInterfaceNumber;
+ us->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
/* Store our private data in the interface and increment the
* device's reference count */
@@ -452,7 +452,7 @@
{
struct usb_device *dev = us->pusb_dev;
struct usb_interface_descriptor *idesc =
- &us->pusb_intf->altsetting[us->pusb_intf->act_altsetting].desc;
+ &us->pusb_intf->cur_altsetting->desc;
struct us_unusual_dev *unusual_dev = &us_unusual_dev_list[id_index];
struct usb_device_id *id = &storage_usb_ids[id_index];
@@ -686,7 +686,7 @@
static int get_pipes(struct us_data *us)
{
struct usb_host_interface *altsetting =
- &us->pusb_intf->altsetting[us->pusb_intf->act_altsetting];
+ us->pusb_intf->cur_altsetting;
int i;
struct usb_endpoint_descriptor *ep;
struct usb_endpoint_descriptor *ep_in = NULL;
@@ -877,8 +877,9 @@
int result;
US_DEBUGP("USB Mass Storage device detected\n");
- US_DEBUGP("act_altsetting is %d, id_index is %d\n",
- intf->act_altsetting, id_index);
+ US_DEBUGP("altsetting is %d, id_index is %d\n",
+ intf->cur_altsetting->desc.bAlternateSetting,
+ id_index);
/* Allocate the us_data structure and initialize the mutexes */
us = (struct us_data *) kmalloc(sizeof(*us), GFP_KERNEL);
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