With the below patch, -ETIMEDOUT is returned from usb_interrupt_msg in
addition to alen != sizeof(__le32)
[ 53.876103] usb 4-2: new high speed USB device using ehci_hcd and address 2
[ 54.008792] usb 4-2: configuration #1 chosen from 1 choice
[ 54.131230] usb 4-2: firmware: requesting isl3886usb
[ 54.148759] phy1: p54 detected a LM86 firmware
[ 54.148765] p54: rx_mtu reduced from 3240 to 2392
[ 54.148770] phy1: FW rev 2.13.24.0 - Softmac protocol 5.9
[ 54.148775] phy1: cryptographic accelerator WEP:YES, TKIP:YES, CCMP:YES
[ 56.316196] usb 4-2: (p54usb) err=-110, alen=0, size=4
[ 56.316311] p54usb: probe of 4-2:1.0 failed with error -110
[ 56.316356] usbcore: registered new interface driver p54usb
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb
index 9539ddc..3e26085 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -652,6 +652,7 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw
err = p54_parse_firmware(dev, fw_entry);
if (err) {
+ dev_err(&priv->udev->dev, "(p54usb) cannot parse firmware\n");
kfree(buf);
release_firmware(fw_entry);
return err;
@@ -858,8 +859,11 @@ static int p54u_upload_firmware_net2280(struct ieee80211_hw
err = usb_interrupt_msg(priv->udev,
usb_rcvbulkpipe(priv->udev, P54U_PIPE_INT),
buf, sizeof(__le32), &alen, 1000);
- if (err || alen != sizeof(__le32))
+ if (err || alen != sizeof(__le32)) {
+ dev_err(&priv->udev->dev, "(p54usb) err=%d, alen=%d, size=%d\n",
+ err, alen, sizeof(__le32));
goto fail;
+ }
P54U_READ(NET2280_DEV_U32, &devreg->int_ident);
P54U_WRITE(NET2280_DEV_U32, &devreg->int_ack, reg);
--
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