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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
commit734d1ece37fbf3d2ddfc71bc6c69e0fe35f02542 (patch)
treec4805dd7e746b1feb9e09e9849f3245d0b2c0c6b /drivers/net/usb/net1080.c
parent216c82c6aba63eeb49d7654b448e0d47bea255bb (diff)
parent9931faca02c604c22335f5a935a501bb2ace6e20 (diff)
Merge tag 'v3.8-rc3' into v4l_for_linus
Linux 3.8-rc3 * tag 'v3.8-rc3': (11110 commits) Linux 3.8-rc3 mm: reinstante dropped pmd_trans_splitting() check cred: Remove tgcred pointer from struct cred drm/ttm: fix fence locking in ttm_buffer_object_transfer ARM: clps711x: Fix bad merge of clockevents setup ARM: highbank: save and restore L2 cache and GIC on suspend ARM: highbank: add a power request clear ARM: highbank: fix secondary boot and hotplug ARM: highbank: fix typos with hignbank in power request functions ARM: dts: fix highbank cpu mpidr values ARM: dts: add device_type prop to cpu nodes on Calxeda platforms drm/prime: drop reference on imported dma-buf come from gem xen/netfront: improve truesize tracking ARM: mx5: Fix MX53 flexcan2 clock ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array sctp: fix Kconfig bug in default cookie hmac selection EDAC: Cleanup device deregistering path EDAC: Fix EDAC Kconfig menu EDAC: Fix kernel panic on module unloading ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec) ...
Diffstat (limited to 'drivers/net/usb/net1080.c')
-rw-r--r--drivers/net/usb/net1080.c110
1 files changed, 30 insertions, 80 deletions
diff --git a/drivers/net/usb/net1080.c b/drivers/net/usb/net1080.c
index c062a3e8295..93e0716a118 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -109,13 +109,11 @@ struct nc_trailer {
static int
nc_vendor_read(struct usbnet *dev, u8 req, u8 regnum, u16 *retval_ptr)
{
- int status = usb_control_msg(dev->udev,
- usb_rcvctrlpipe(dev->udev, 0),
- req,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, regnum,
- retval_ptr, sizeof *retval_ptr,
- USB_CTRL_GET_TIMEOUT);
+ int status = usbnet_read_cmd(dev, req,
+ USB_DIR_IN | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE,
+ 0, regnum, retval_ptr,
+ sizeof *retval_ptr);
if (status > 0)
status = 0;
if (!status)
@@ -133,13 +131,9 @@ nc_register_read(struct usbnet *dev, u8 regnum, u16 *retval_ptr)
static void
nc_vendor_write(struct usbnet *dev, u8 req, u8 regnum, u16 value)
{
- usb_control_msg(dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- req,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, regnum,
- NULL, 0, // data is in setup packet
- USB_CTRL_SET_TIMEOUT);
+ usbnet_write_cmd(dev, req,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, regnum, NULL, 0);
}
static inline void
@@ -288,37 +282,34 @@ static inline void nc_dump_ttl(struct usbnet *dev, u16 ttl)
static int net1080_reset(struct usbnet *dev)
{
u16 usbctl, status, ttl;
- u16 *vp = kmalloc(sizeof (u16), GFP_KERNEL);
+ u16 vp;
int retval;
- if (!vp)
- return -ENOMEM;
-
// nc_dump_registers(dev);
- if ((retval = nc_register_read(dev, REG_STATUS, vp)) < 0) {
+ if ((retval = nc_register_read(dev, REG_STATUS, &vp)) < 0) {
netdev_dbg(dev->net, "can't read %s-%s status: %d\n",
dev->udev->bus->bus_name, dev->udev->devpath, retval);
goto done;
}
- status = *vp;
+ status = vp;
nc_dump_status(dev, status);
- if ((retval = nc_register_read(dev, REG_USBCTL, vp)) < 0) {
+ if ((retval = nc_register_read(dev, REG_USBCTL, &vp)) < 0) {
netdev_dbg(dev->net, "can't read USBCTL, %d\n", retval);
goto done;
}
- usbctl = *vp;
+ usbctl = vp;
nc_dump_usbctl(dev, usbctl);
nc_register_write(dev, REG_USBCTL,
USBCTL_FLUSH_THIS | USBCTL_FLUSH_OTHER);
- if ((retval = nc_register_read(dev, REG_TTL, vp)) < 0) {
+ if ((retval = nc_register_read(dev, REG_TTL, &vp)) < 0) {
netdev_dbg(dev->net, "can't read TTL, %d\n", retval);
goto done;
}
- ttl = *vp;
+ ttl = vp;
// nc_dump_ttl(dev, ttl);
nc_register_write(dev, REG_TTL,
@@ -331,7 +322,6 @@ static int net1080_reset(struct usbnet *dev)
retval = 0;
done:
- kfree(vp);
return retval;
}
@@ -339,13 +329,10 @@ static int net1080_check_connect(struct usbnet *dev)
{
int retval;
u16 status;
- u16 *vp = kmalloc(sizeof (u16), GFP_KERNEL);
+ u16 vp;
- if (!vp)
- return -ENOMEM;
- retval = nc_register_read(dev, REG_STATUS, vp);
- status = *vp;
- kfree(vp);
+ retval = nc_register_read(dev, REG_STATUS, &vp);
+ status = vp;
if (retval != 0) {
netdev_dbg(dev->net, "net1080_check_conn read - %d\n", retval);
return retval;
@@ -355,59 +342,22 @@ static int net1080_check_connect(struct usbnet *dev)
return 0;
}
-static void nc_flush_complete(struct urb *urb)
-{
- kfree(urb->context);
- usb_free_urb(urb);
-}
-
static void nc_ensure_sync(struct usbnet *dev)
{
- dev->frame_errors++;
- if (dev->frame_errors > 5) {
- struct urb *urb;
- struct usb_ctrlrequest *req;
- int status;
-
- /* Send a flush */
- urb = usb_alloc_urb(0, GFP_ATOMIC);
- if (!urb)
- return;
-
- req = kmalloc(sizeof *req, GFP_ATOMIC);
- if (!req) {
- usb_free_urb(urb);
- return;
- }
+ if (++dev->frame_errors <= 5)
+ return;
- req->bRequestType = USB_DIR_OUT
- | USB_TYPE_VENDOR
- | USB_RECIP_DEVICE;
- req->bRequest = REQUEST_REGISTER;
- req->wValue = cpu_to_le16(USBCTL_FLUSH_THIS
- | USBCTL_FLUSH_OTHER);
- req->wIndex = cpu_to_le16(REG_USBCTL);
- req->wLength = cpu_to_le16(0);
-
- /* queue an async control request, we don't need
- * to do anything when it finishes except clean up.
- */
- usb_fill_control_urb(urb, dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- (unsigned char *) req,
- NULL, 0,
- nc_flush_complete, req);
- status = usb_submit_urb(urb, GFP_ATOMIC);
- if (status) {
- kfree(req);
- usb_free_urb(urb);
- return;
- }
+ if (usbnet_write_cmd_async(dev, REQUEST_REGISTER,
+ USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE,
+ USBCTL_FLUSH_THIS |
+ USBCTL_FLUSH_OTHER,
+ REG_USBCTL, NULL, 0))
+ return;
- netif_dbg(dev, rx_err, dev->net,
- "flush net1080; too many framing errors\n");
- dev->frame_errors = 0;
- }
+ netif_dbg(dev, rx_err, dev->net,
+ "flush net1080; too many framing errors\n");
+ dev->frame_errors = 0;
}
static int net1080_rx_fixup(struct usbnet *dev, struct sk_buff *skb)