diff options
| author | Binoy Jayan <binoy.jayan@linaro.org> | 2016-06-02 04:24:09 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 16:25:47 (GMT) |
| commit | 7c2bb7aff9b5ef83c5b1fd3a9ef0af39bbbf1f7a (patch) | |
| tree | 81d50d01fd28a6e2c74021b696575531e7466eac | |
| parent | 204a8ac1db424d6873c450828eb837c7d4158294 (diff) | |
| download | linux-7c2bb7aff9b5ef83c5b1fd3a9ef0af39bbbf1f7a.tar.xz | |
rtl8712: intf_priv: Replace semaphore lock with completion
The semaphore 'lock' in 'intf_priv' is used as completion,
so convert it to a struct completion type.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/rtl8712/osdep_intf.h | 2 | ||||
| -rw-r--r-- | drivers/staging/rtl8712/usb_ops_linux.c | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/rtl8712/osdep_intf.h b/drivers/staging/rtl8712/osdep_intf.h index aa0ec74..5d37e1f 100644 --- a/drivers/staging/rtl8712/osdep_intf.h +++ b/drivers/staging/rtl8712/osdep_intf.h @@ -36,7 +36,7 @@ struct intf_priv { /* when in USB, IO is through interrupt in/out endpoints */ struct usb_device *udev; struct urb *piorw_urb; - struct semaphore io_retevt; + struct completion io_retevt_comp; }; int r871x_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); diff --git a/drivers/staging/rtl8712/usb_ops_linux.c b/drivers/staging/rtl8712/usb_ops_linux.c index 6f12345..1af7f5f 100644 --- a/drivers/staging/rtl8712/usb_ops_linux.c +++ b/drivers/staging/rtl8712/usb_ops_linux.c @@ -50,7 +50,7 @@ uint r8712_usb_init_intf_priv(struct intf_priv *pintfpriv) pintfpriv->piorw_urb = usb_alloc_urb(0, GFP_ATOMIC); if (!pintfpriv->piorw_urb) return _FAIL; - sema_init(&(pintfpriv->io_retevt), 0); + init_completion(&pintfpriv->io_retevt_comp); return _SUCCESS; } @@ -163,7 +163,7 @@ static void usb_write_mem_complete(struct urb *purb) else padapter->bSurpriseRemoved = true; } - up(&pintfpriv->io_retevt); + complete(&pintfpriv->io_retevt_comp); } void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) @@ -187,7 +187,7 @@ void r8712_usb_write_mem(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, u8 *wmem) wmem, cnt, usb_write_mem_complete, pio_queue); usb_submit_urb(piorw_urb, GFP_ATOMIC); - _down_sema(&pintfpriv->io_retevt); + wait_for_completion_interruptible(&pintfpriv->io_retevt_comp); } static void r8712_usb_read_port_complete(struct urb *purb) |