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authorSimon Glass <sjg@chromium.org>2015-03-25 12:22:12 -0600
committerSimon Glass <sjg@chromium.org>2015-04-18 11:11:22 -0600
commit1d5827a12ebd20d64b972111b846cb1ca87ff82e (patch)
treea32180a581d8d5103ec390ab88d90c72d05de96e /common
parent2e17c87ebb4cb46c51e7d893705b69b95ee05cab (diff)
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dm: usb: Fix type problems in usb_stor_get_info()
This function assumes that unsigned long is 32-bits wide, but it is not on 64-bit machines. Use the correct type, and add a few debug() lines also. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'common')
-rw-r--r--common/usb_storage.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/common/usb_storage.c b/common/usb_storage.c
index 62527a9..5108d23 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1191,6 +1191,7 @@ int usb_storage_probe(struct usb_device *dev, unsigned int ifnum,
iface->desc.bInterfaceClass != USB_CLASS_MASS_STORAGE ||
iface->desc.bInterfaceSubClass < US_SC_MIN ||
iface->desc.bInterfaceSubClass > US_SC_MAX) {
+ debug("Not mass storage\n");
/* if it's not a mass storage, we go no further */
return 0;
}
@@ -1317,8 +1318,10 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
pccb->lun = dev_desc->lun;
debug(" address %d\n", dev_desc->target);
- if (usb_inquiry(pccb, ss))
+ if (usb_inquiry(pccb, ss)) {
+ debug("%s: usb_inquiry() failed\n", __func__);
return -1;
+ }
perq = usb_stor_buf[0];
modi = usb_stor_buf[1];
@@ -1328,6 +1331,7 @@ int usb_stor_get_info(struct usb_device *dev, struct us_data *ss,
* they would not respond to test_unit_ready .
*/
if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) {
+ debug("%s: unknown/unsupported device\n", __func__);
return 0;
}
if ((modi&0x80) == 0x80) {