diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2018-07-26 17:36:36 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2019-06-22 23:54:38 -0700 |
| commit | 38d107690df7f0826adb5b53f4e87676859ff0a6 (patch) | |
| tree | c50a93a2c43c71b4c15ac6d71c07643b78004170 /drivers/input/joystick/iforce/iforce-usb.c | |
| parent | f7f3651e0887f536a6854dfcae0c21fc5463b733 (diff) | |
| download | linux-38d107690df7f0826adb5b53f4e87676859ff0a6.tar.bz2 | |
Input: iforce - introduce transport ops
In order to tease apart the driver into core and transport modules, let's
introduce transport operations and make "xmit" the very first one such
operation.
Tested-by: Tim Schumacher <timschumi@gmx.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input/joystick/iforce/iforce-usb.c')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce-usb.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index 78073259c9a1..d4f7f34db9a0 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -23,7 +23,7 @@ #include "iforce.h" -void iforce_usb_xmit(struct iforce *iforce) +static void __iforce_usb_xmit(struct iforce *iforce) { int n, c; unsigned long flags; @@ -69,6 +69,16 @@ void iforce_usb_xmit(struct iforce *iforce) spin_unlock_irqrestore(&iforce->xmit_lock, flags); } +static void iforce_usb_xmit(struct iforce *iforce) +{ + if (!test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) + __iforce_usb_xmit(iforce); +} + +static const struct iforce_xport_ops iforce_usb_xport_ops = { + .xmit = iforce_usb_xmit, +}; + static void iforce_usb_irq(struct urb *urb) { struct iforce *iforce = urb->context; @@ -113,7 +123,7 @@ static void iforce_usb_out(struct urb *urb) return; } - iforce_usb_xmit(iforce); + __iforce_usb_xmit(iforce); wake_up(&iforce->wait); } @@ -155,6 +165,7 @@ static int iforce_usb_probe(struct usb_interface *intf, if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL))) goto fail; + iforce->xport_ops = &iforce_usb_xport_ops; iforce->bus = IFORCE_USB; iforce->usbdev = dev; iforce->intf = intf; |