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rtl8712: intf_priv: Replace semaphore lock with completion

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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>
This commit is contained in:
Binoy Jayan 2016-06-02 09:54:09 +05:30 committed by Greg Kroah-Hartman
parent 204a8ac1db
commit 7c2bb7aff9
2 changed files with 4 additions and 4 deletions
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2
drivers/staging/rtl8712/osdep_intf.h
View File

@ -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);

6
drivers/staging/rtl8712/usb_ops_linux.c
View File

@ -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)