Hi Soeren,
On 11/08/2014 08:02 AM, Soeren Moch wrote:
Skip enclosure service devices when probing for usb storage devices.
This avoids long timeouts when probing for external usb harddisks
which provide "Enclosure Services".
Signed-off-by: Soeren Moch <sm...@web.de>
--
This is a new version of the patch
"usb_storage: skip all unknown devices when probing"
http://http://lists.denx.de/pipermail/u-boot/2014-November/194622.html
Cc: Marek Vasut <ma...@denx.de>
Cc: Tom Rini <tr...@ti.com>
---
common/usb_storage.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/common/usb_storage.c b/common/usb_storage.c
index eb7706c..9198f73 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -1351,8 +1351,9 @@ int usb_stor_get_info(struct usb_device *dev, struct
us_data *ss,
perq = usb_stor_buf[0];
modi = usb_stor_buf[1];
- if ((perq & 0x1f) == 0x1f) {
- /* skip unknown devices */
+ if (((perq & 0x1f) == 0x1f) || ((perq & 0x1f) == 0x0d)) {
+ /* skip unknown devices and enclosure service devices, */
+ /* they would not respond to test_unit_ready */
return 0;
}
if ((modi&0x80) == 0x80) {
Is it possible to provide a configuration option and some default
behavior, instead of just disabling it?
Regards,
Nikolay
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