On Tue, 4 May 2010, Bruno Prémont wrote: > > Bruno, could you, for testing purposes, check, whether the patch below > > changes the behavior you are seeing (and also check what the actual return > > value from device_add() was, see the added printk()). > > Well, it's said to return 0: > > [ 286.872739] generic-usb 0003:058F:9462.0003: input: USB HID v1.10 Keyboard [Multimedia USB Keyboard Multimedia USB Keyboard] on usb-0000:00:13.0-2.1/input0 > [ 286.890136] HID: device_add() returned 0 > > [ 286.919698] generic-usb: probe of 0003:058F:9462.0004 failed with error -22 > [ 286.929363] HID: device_add() returned 0 > > or with debug=1 for HID: > [ 559.982958] /usr/src/linux-2.6-git/drivers/hid/usbhid/hid-core.c: HID probe called for ifnum 1 > [ 560.011698] /usr/src/linux-2.6-git/drivers/hid/hid-core.c: usage index exceeded > [ 560.011704] /usr/src/linux-2.6-git/drivers/hid/hid-core.c: hid_add_usage failed > [ 560.011710] /usr/src/linux-2.6-git/drivers/hid/hid-core.c: item 0 2 2 2 parsing failed > [ 560.011732] /usr/src/linux-2.6-git/drivers/hid/usbhid/hid-core.c: parsing report descriptor failed > [ 560.011747] generic-usb: probe of 0003:058F:9462.0006 failed with error -22 > [ 560.021718] HID: device_add() returned 0 Could you please verify with this patch? Thanks. drivers/hid/hid-core.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 2e2aa75..8df19d3 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1486,8 +1486,10 @@ static int hid_device_probe(struct device *dev) if (!ret) ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); } - if (ret) + if (ret) { hdev->driver = NULL; + ret = -ENODEV; + } } return ret; } -- Jiri Kosina SUSE Labs, Novell Inc. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm