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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:13:54 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-08-06 18:13:54 +0100
commit11e4afb49b7fa1fc8e1ffd850c1806dd86a08204 (patch)
tree9e57efcb106ae912f7bec718feb3f8ec607559bb /drivers/net/wireless/ath/ar9170/usb.c
parent162500b3a3ff39d941d29db49b41a16667ae44f0 (diff)
parent9b2a606d3898fcb2eedb6faded3bb37549590ac4 (diff)
Merge branches 'gemini' and 'misc' into devel
Diffstat (limited to 'drivers/net/wireless/ath/ar9170/usb.c')
-rw-r--r--drivers/net/wireless/ath/ar9170/usb.c53
1 files changed, 45 insertions, 8 deletions
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 4e30197afff..a93dc18a45c 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -38,9 +38,11 @@
*/
#include <linux/module.h>
+#include <linux/slab.h>
#include <linux/usb.h>
#include <linux/firmware.h>
#include <linux/etherdevice.h>
+#include <linux/device.h>
#include <net/mac80211.h>
#include "ar9170.h"
#include "cmd.h"
@@ -66,18 +68,28 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x0cf3, 0x1001) },
/* TP-Link TL-WN821N v2 */
{ USB_DEVICE(0x0cf3, 0x1002) },
+ /* 3Com Dual Band 802.11n USB Adapter */
+ { USB_DEVICE(0x0cf3, 0x1010) },
+ /* H3C Dual Band 802.11n USB Adapter */
+ { USB_DEVICE(0x0cf3, 0x1011) },
/* Cace Airpcap NX */
{ USB_DEVICE(0xcace, 0x0300) },
/* D-Link DWA 160 A1 */
{ USB_DEVICE(0x07d1, 0x3c10) },
/* D-Link DWA 160 A2 */
{ USB_DEVICE(0x07d1, 0x3a09) },
+ /* Netgear WNA1000 */
+ { USB_DEVICE(0x0846, 0x9040) },
/* Netgear WNDA3100 */
{ USB_DEVICE(0x0846, 0x9010) },
/* Netgear WN111 v2 */
{ USB_DEVICE(0x0846, 0x9001) },
/* Zydas ZD1221 */
{ USB_DEVICE(0x0ace, 0x1221) },
+ /* Proxim ORiNOCO 802.11n USB */
+ { USB_DEVICE(0x1435, 0x0804) },
+ /* WNC Generic 11n USB Dongle */
+ { USB_DEVICE(0x1435, 0x0326) },
/* ZyXEL NWD271N */
{ USB_DEVICE(0x0586, 0x3417) },
/* Z-Com UB81 BG */
@@ -94,8 +106,12 @@ static struct usb_device_id ar9170_usb_ids[] = {
{ USB_DEVICE(0x04bb, 0x093f) },
/* AVM FRITZ!WLAN USB Stick N */
{ USB_DEVICE(0x057C, 0x8401) },
+ /* NEC WL300NU-G */
+ { USB_DEVICE(0x0409, 0x0249) },
/* AVM FRITZ!WLAN USB Stick N 2.4 */
{ USB_DEVICE(0x057C, 0x8402), .driver_info = AR9170_REQ_FW1_ONLY },
+ /* Qwest/Actiontec 802AIN Wireless N USB Network Adapter */
+ { USB_DEVICE(0x1668, 0x1200) },
/* terminate */
{}
@@ -199,7 +215,7 @@ resubmit:
return;
free:
- usb_buffer_free(aru->udev, 64, urb->transfer_buffer, urb->transfer_dma);
+ usb_free_coherent(aru->udev, 64, urb->transfer_buffer, urb->transfer_dma);
}
static void ar9170_usb_rx_completed(struct urb *urb)
@@ -280,7 +296,7 @@ static int ar9170_usb_alloc_rx_irq_urb(struct ar9170_usb *aru)
if (!urb)
goto out;
- ibuf = usb_buffer_alloc(aru->udev, 64, GFP_KERNEL, &urb->transfer_dma);
+ ibuf = usb_alloc_coherent(aru->udev, 64, GFP_KERNEL, &urb->transfer_dma);
if (!ibuf)
goto out;
@@ -293,8 +309,8 @@ static int ar9170_usb_alloc_rx_irq_urb(struct ar9170_usb *aru)
err = usb_submit_urb(urb, GFP_KERNEL);
if (err) {
usb_unanchor_urb(urb);
- usb_buffer_free(aru->udev, 64, urb->transfer_buffer,
- urb->transfer_dma);
+ usb_free_coherent(aru->udev, 64, urb->transfer_buffer,
+ urb->transfer_dma);
}
out:
@@ -416,7 +432,7 @@ static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd,
spin_unlock_irqrestore(&aru->common.cmdlock, flags);
usb_fill_int_urb(urb, aru->udev,
- usb_sndbulkpipe(aru->udev, AR9170_EP_CMD),
+ usb_sndintpipe(aru->udev, AR9170_EP_CMD),
aru->common.cmdbuf, plen + 4,
ar9170_usb_tx_urb_complete, NULL, 1);
@@ -723,13 +739,27 @@ err_out:
static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
{
struct device *parent = aru->udev->dev.parent;
+ struct usb_device *udev;
+
+ /*
+ * Store a copy of the usb_device pointer locally.
+ * This is because device_release_driver initiates
+ * ar9170_usb_disconnect, which in turn frees our
+ * driver context (aru).
+ */
+ udev = aru->udev;
+
+ complete(&aru->firmware_loading_complete);
/* unbind anything failed */
if (parent)
- down(&parent->sem);
- device_release_driver(&aru->udev->dev);
+ device_lock(parent);
+
+ device_release_driver(&udev->dev);
if (parent)
- up(&parent->sem);
+ device_unlock(parent);
+
+ usb_put_dev(udev);
}
static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
@@ -758,6 +788,8 @@ static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
if (err)
goto err_unrx;
+ complete(&aru->firmware_loading_complete);
+ usb_put_dev(aru->udev);
return;
err_unrx:
@@ -855,6 +887,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
init_usb_anchor(&aru->tx_pending);
init_usb_anchor(&aru->tx_submitted);
init_completion(&aru->cmd_wait);
+ init_completion(&aru->firmware_loading_complete);
spin_lock_init(&aru->tx_urb_lock);
aru->tx_pending_urbs = 0;
@@ -874,6 +907,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
if (err)
goto err_freehw;
+ usb_get_dev(aru->udev);
return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
&aru->udev->dev, GFP_KERNEL, aru,
ar9170_usb_firmware_step2);
@@ -893,6 +927,9 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
return;
aru->common.state = AR9170_IDLE;
+
+ wait_for_completion(&aru->firmware_loading_complete);
+
ar9170_unregister(&aru->common);
ar9170_usb_cancel_urbs(aru);