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Revert "usb_storage : scan all interfaces to find a storage device"

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This reverts commit cd749658d5.

The conflicts with this commit are hard for me to figure out. I will re-apply
it later.
This commit is contained in:
Simon Glass 2015-04-16 17:27:34 -06:00
parent 051081323f
commit 7fc2c1ea7b
1 changed files with 17 additions and 28 deletions
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45
common/usb_storage.c
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@ -168,30 +168,6 @@ static unsigned int usb_get_max_lun(struct us_data *us)
return (len > 0) ? *result : 0; return (len > 0) ? *result : 0;
} }
static int usb_storage_register(struct usb_device *dev, unsigned char iface)
{
int lun, max_lun, start = usb_max_devs;
int nb_dev = 0;
if (!usb_storage_probe(dev, iface, &usb_stor[usb_max_devs]))
return nb_dev;
/*
* OK, it's a storage device. Iterate over its LUNs
* and populate `usb_dev_desc'.
*/
max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]);
for (lun = 0; lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV; lun++) {
usb_dev_desc[usb_max_devs].lun = lun;
if (usb_stor_get_info(dev, &usb_stor[start],
&usb_dev_desc[usb_max_devs]) == 1) {
nb_dev++;
}
}
return nb_dev;
}
/******************************************************************************* /*******************************************************************************
* scan the usb and reports device info * scan the usb and reports device info
* to the user if mode = 1 * to the user if mode = 1
@ -199,7 +175,7 @@ static int usb_storage_register(struct usb_device *dev, unsigned char iface)
*/ */
int usb_stor_scan(int mode) int usb_stor_scan(int mode)
{ {
unsigned char i, iface; unsigned char i;
struct usb_device *dev; struct usb_device *dev;
if (mode == 1) if (mode == 1)
@ -225,10 +201,23 @@ int usb_stor_scan(int mode)
if (dev == NULL) if (dev == NULL)
break; /* no more devices available */ break; /* no more devices available */
for (iface = 0; iface < dev->config.no_of_if; iface++) { if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) {
usb_max_devs += usb_storage_register(dev, iface); /* OK, it's a storage device. Iterate over its LUNs
} * and populate `usb_dev_desc'.
*/
int lun, max_lun, start = usb_max_devs;
max_lun = usb_get_max_lun(&usb_stor[usb_max_devs]);
for (lun = 0;
lun <= max_lun && usb_max_devs < USB_MAX_STOR_DEV;
lun++) {
usb_dev_desc[usb_max_devs].lun = lun;
if (usb_stor_get_info(dev, &usb_stor[start],
&usb_dev_desc[usb_max_devs]) == 1) {
usb_max_devs++;
}
}
}
/* if storage device */ /* if storage device */
if (usb_max_devs == USB_MAX_STOR_DEV) { if (usb_max_devs == USB_MAX_STOR_DEV) {
printf("max USB Storage Device reached: %d stopping\n", printf("max USB Storage Device reached: %d stopping\n",