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path: root/drivers/net/wimax/i2400m/usb-notif.c
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Diffstat (limited to 'drivers/net/wimax/i2400m/usb-notif.c')
-rw-r--r--drivers/net/wimax/i2400m/usb-notif.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/net/wimax/i2400m/usb-notif.c b/drivers/net/wimax/i2400m/usb-notif.c
index 6add27c3f35c..f88d1c6e35cb 100644
--- a/drivers/net/wimax/i2400m/usb-notif.c
+++ b/drivers/net/wimax/i2400m/usb-notif.c
@@ -51,6 +51,7 @@
*
* i2400mu_usb_notification_cb() Called when a URB is ready
* i2400mu_notif_grok()
+ * i2400m_is_boot_barker()
* i2400m_dev_reset_handle()
* i2400mu_rx_kick()
*/
@@ -87,32 +88,21 @@ int i2400mu_notification_grok(struct i2400mu *i2400mu, const void *buf,
d_fnstart(4, dev, "(i2400m %p buf %p buf_len %zu)\n",
i2400mu, buf, buf_len);
ret = -EIO;
- if (buf_len < sizeof(i2400m_NBOOT_BARKER))
+ if (buf_len < sizeof(i2400m_ZERO_BARKER))
/* Not a bug, just ignore */
goto error_bad_size;
- if (!memcmp(i2400m_NBOOT_BARKER, buf, sizeof(i2400m_NBOOT_BARKER))
- || !memcmp(i2400m_SBOOT_BARKER, buf, sizeof(i2400m_SBOOT_BARKER)))
- ret = i2400m_dev_reset_handle(i2400m);
- else if (!memcmp(i2400m_ZERO_BARKER, buf, sizeof(i2400m_ZERO_BARKER))) {
+ ret = 0;
+ if (!memcmp(i2400m_ZERO_BARKER, buf, sizeof(i2400m_ZERO_BARKER))) {
i2400mu_rx_kick(i2400mu);
- ret = 0;
- } else { /* Unknown or unexpected data in the notif message */
- char prefix[64];
- ret = -EIO;
- dev_err(dev, "HW BUG? Unknown/unexpected data in notification "
- "message (%zu bytes)\n", buf_len);
- snprintf(prefix, sizeof(prefix), "%s %s: ",
- dev_driver_string(dev), dev_name(dev));
- if (buf_len > 64) {
- print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
- 8, 4, buf, 64, 0);
- printk(KERN_ERR "%s... (only first 64 bytes "
- "dumped)\n", prefix);
- } else
- print_hex_dump(KERN_ERR, prefix, DUMP_PREFIX_OFFSET,
- 8, 4, buf, buf_len, 0);
+ goto out;
}
+ ret = i2400m_is_boot_barker(i2400m, buf, buf_len);
+ if (unlikely(ret >= 0))
+ ret = i2400m_dev_reset_handle(i2400m, "device rebooted");
+ else /* Unknown or unexpected data in the notif message */
+ i2400m_unknown_barker(i2400m, buf, buf_len);
error_bad_size:
+out:
d_fnend(4, dev, "(i2400m %p buf %p buf_len %zu) = %d\n",
i2400mu, buf, buf_len, ret);
return ret;
@@ -220,7 +210,8 @@ int i2400mu_notification_setup(struct i2400mu *i2400mu)
dev_err(dev, "notification: cannot allocate URB\n");
goto error_alloc_urb;
}
- epd = usb_get_epd(i2400mu->usb_iface, I2400MU_EP_NOTIFICATION);
+ epd = usb_get_epd(i2400mu->usb_iface,
+ i2400mu->endpoint_cfg.notification);
usb_pipe = usb_rcvintpipe(i2400mu->usb_dev, epd->bEndpointAddress);
usb_fill_int_urb(i2400mu->notif_urb, i2400mu->usb_dev, usb_pipe,
buf, I2400MU_MAX_NOTIFICATION_LEN,