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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-24 07:46:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-24 07:46:51 -0700
commit3e241ff0c57cb610301009fe8c3b9da4c6877800 (patch)
tree9663c4ebd8e431a052675b19585e1cc9471b2ef3 /drivers/net/wireless/ar9170/usb.c
parentdc0046c7586da5db7561dd8b8e09b40d29ade5fa (diff)
parent29fe1b481283a1bada994a69f65736db4ae6f35f (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (94 commits) netfilter: ctnetlink: fix gcc warning during compilation net/netrom: Fix socket locking netlabel: Always remove the correct address selector ucc_geth.c: Fix upsmr setting in RMII mode 8139too: fix HW initial flow af_iucv: Fix race when queuing incoming iucv messages af_iucv: Test additional sk states in iucv_sock_shutdown af_iucv: Reject incoming msgs if RECV_SHUTDOWN is set af_iucv: fix oops in iucv_sock_recvmsg() for MSG_PEEK flag af_iucv: consider state IUCV_CLOSING when closing a socket iwlwifi: DMA fixes iwlwifi: add debugging for TX path mwl8: fix build warning. mac80211: fix alignment calculation bug mac80211: do not print WARN if config interface iwl3945: use cancel_delayed_work_sync to cancel rfkill_poll iwlwifi: fix EEPROM validation mask to include OTP only devices atmel: fix netdev ops conversion pcnet_cs: add cis(firmware) of the Allied Telesis LA-PCM mlx4_en: Fix cleanup if workqueue create in mlx4_en_add() fails ...
Diffstat (limited to 'drivers/net/wireless/ar9170/usb.c')
-rw-r--r--drivers/net/wireless/ar9170/usb.c114
1 files changed, 94 insertions, 20 deletions
diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c
index ad296840893e..fddda477095c 100644
--- a/drivers/net/wireless/ar9170/usb.c
+++ b/drivers/net/wireless/ar9170/usb.c
@@ -59,6 +59,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x0cf3, 0x9170) },
/* Atheros TG121N */
{ USB_DEVICE(0x0cf3, 0x1001) },
+ /* Cace Airpcap NX */
+ { USB_DEVICE(0xcace, 0x0300) },
/* D-Link DWA 160A */
{ USB_DEVICE(0x07d1, 0x3c10) },
/* Netgear WNDA3100 */
@@ -67,6 +69,8 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x0846, 0x9001) },
/* Zydas ZD1221 */
{ USB_DEVICE(0x0ace, 0x1221) },
+ /* ZyXEL NWD271N */
+ { USB_DEVICE(0x0586, 0x3417) },
/* Z-Com UB81 BG */
{ USB_DEVICE(0x0cde, 0x0023) },
/* Z-Com UB82 ABG */
@@ -619,6 +623,39 @@ static int ar9170_usb_open(struct ar9170 *ar)
return 0;
}
+static int ar9170_usb_init_device(struct ar9170_usb *aru)
+{
+ int err;
+
+ err = ar9170_usb_alloc_rx_irq_urb(aru);
+ if (err)
+ goto err_out;
+
+ err = ar9170_usb_alloc_rx_bulk_urbs(aru);
+ if (err)
+ goto err_unrx;
+
+ err = ar9170_usb_upload_firmware(aru);
+ if (err) {
+ err = ar9170_echo_test(&aru->common, 0x60d43110);
+ if (err) {
+ /* force user invention, by disabling the device */
+ err = usb_driver_set_configuration(aru->udev, -1);
+ dev_err(&aru->udev->dev, "device is in a bad state. "
+ "please reconnect it!\n");
+ goto err_unrx;
+ }
+ }
+
+ return 0;
+
+err_unrx:
+ ar9170_usb_cancel_urbs(aru);
+
+err_out:
+ return err;
+}
+
static int ar9170_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
@@ -654,32 +691,16 @@ static int ar9170_usb_probe(struct usb_interface *intf,
err = ar9170_usb_reset(aru);
if (err)
- goto err_unlock;
+ goto err_freehw;
err = ar9170_usb_request_firmware(aru);
if (err)
- goto err_unlock;
+ goto err_freehw;
- err = ar9170_usb_alloc_rx_irq_urb(aru);
+ err = ar9170_usb_init_device(aru);
if (err)
goto err_freefw;
- err = ar9170_usb_alloc_rx_bulk_urbs(aru);
- if (err)
- goto err_unrx;
-
- err = ar9170_usb_upload_firmware(aru);
- if (err) {
- err = ar9170_echo_test(&aru->common, 0x60d43110);
- if (err) {
- /* force user invention, by disabling the device */
- err = usb_driver_set_configuration(aru->udev, -1);
- dev_err(&aru->udev->dev, "device is in a bad state. "
- "please reconnect it!\n");
- goto err_unrx;
- }
- }
-
err = ar9170_usb_open(ar);
if (err)
goto err_unrx;
@@ -699,7 +720,7 @@ err_freefw:
release_firmware(aru->init_values);
release_firmware(aru->firmware);
-err_unlock:
+err_freehw:
usb_set_intfdata(intf, NULL);
usb_put_dev(udev);
ieee80211_free_hw(ar->hw);
@@ -726,12 +747,65 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
ieee80211_free_hw(aru->common.hw);
}
+#ifdef CONFIG_PM
+static int ar9170_suspend(struct usb_interface *intf,
+ pm_message_t message)
+{
+ struct ar9170_usb *aru = usb_get_intfdata(intf);
+
+ if (!aru)
+ return -ENODEV;
+
+ aru->common.state = AR9170_IDLE;
+ ar9170_usb_cancel_urbs(aru);
+
+ return 0;
+}
+
+static int ar9170_resume(struct usb_interface *intf)
+{
+ struct ar9170_usb *aru = usb_get_intfdata(intf);
+ int err;
+
+ if (!aru)
+ return -ENODEV;
+
+ usb_unpoison_anchored_urbs(&aru->rx_submitted);
+ usb_unpoison_anchored_urbs(&aru->tx_submitted);
+
+ /*
+ * FIXME: firmware upload will fail on resume.
+ * but this is better than a hang!
+ */
+
+ err = ar9170_usb_init_device(aru);
+ if (err)
+ goto err_unrx;
+
+ err = ar9170_usb_open(&aru->common);
+ if (err)
+ goto err_unrx;
+
+ return 0;
+
+err_unrx:
+ aru->common.state = AR9170_IDLE;
+ ar9170_usb_cancel_urbs(aru);
+
+ return err;
+}
+#endif /* CONFIG_PM */
+
static struct usb_driver ar9170_driver = {
.name = "ar9170usb",
.probe = ar9170_usb_probe,
.disconnect = ar9170_usb_disconnect,
.id_table = ar9170_usb_ids,
.soft_unbind = 1,
+#ifdef CONFIG_PM
+ .suspend = ar9170_suspend,
+ .resume = ar9170_resume,
+#endif /* CONFIG_PM */
};
static int __init ar9170_init(void)