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authorSimon Glass <sjg@chromium.org>2015-04-16 17:27:34 -0600
committerSimon Glass <sjg@chromium.org>2015-04-18 11:11:22 -0600
commit7fc2c1ea7bbb321e2dbd7dc4ab099ce970eab482 (patch)
treeab4c95780da2618efb6ac2cbe57ab75359900316 /common/usb_storage.c
parent051081323fbc444f5a57ffb3e0178236ba59f77a (diff)
Revert "usb_storage : scan all interfaces to find a storage device"
This reverts commit cd749658d5994978579628a6333e5c2a6c8ec632. The conflicts with this commit are hard for me to figure out. I will re-apply it later.
Diffstat (limited to 'common/usb_storage.c')
-rw-r--r--common/usb_storage.c45
1 files changed, 17 insertions, 28 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c
index f190d8a6c4..5ff4337de0 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -168,30 +168,6 @@ static unsigned int usb_get_max_lun(struct us_data *us)
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
* 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)
{
- unsigned char i, iface;
+ unsigned char i;
struct usb_device *dev;
if (mode == 1)
@@ -225,10 +201,23 @@ int usb_stor_scan(int mode)
if (dev == NULL)
break; /* no more devices available */
- for (iface = 0; iface < dev->config.no_of_if; iface++) {
- usb_max_devs += usb_storage_register(dev, iface);
+ if (usb_storage_probe(dev, 0, &usb_stor[usb_max_devs])) {
+ /* 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 (usb_max_devs == USB_MAX_STOR_DEV) {
printf("max USB Storage Device reached: %d stopping\n",