In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Felipe Balbi <ba...@kernel.org>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org
Cc: linux-o...@vger.kernel.org
Cc: Thomas Gleixner <t...@linutronix.de>
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
This requires commit 686fef928bba ("timer: Prepare to change timer
callback argument type") in v4.14-rc3, but should be otherwise
stand-alone.
---
 drivers/usb/phy/phy-isp1301-omap.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/phy/phy-isp1301-omap.c 
b/drivers/usb/phy/phy-isp1301-omap.c
index c6052c814bcc..43866e0f9217 100644
--- a/drivers/usb/phy/phy-isp1301-omap.c
+++ b/drivers/usb/phy/phy-isp1301-omap.c
@@ -1183,9 +1183,11 @@ static irqreturn_t isp1301_irq(int irq, void *isp)
        return IRQ_HANDLED;
 }
 
-static void isp1301_timer(unsigned long _isp)
+static void isp1301_timer(struct timer_list *t)
 {
-       isp1301_defer_work((void *)_isp, WORK_TIMER);
+       struct isp1301 *isp = from_timer(isp, t, timer);
+
+       isp1301_defer_work(isp, WORK_TIMER);
 }
 
 /*-------------------------------------------------------------------------*/
@@ -1507,9 +1509,7 @@ isp1301_probe(struct i2c_client *i2c, const struct 
i2c_device_id *id)
        }
 
        INIT_WORK(&isp->work, isp1301_work);
-       init_timer(&isp->timer);
-       isp->timer.function = isp1301_timer;
-       isp->timer.data = (unsigned long) isp;
+       timer_setup(&isp->timer, isp1301_timer, 0);
 
        i2c_set_clientdata(i2c, isp);
        isp->client = i2c;
-- 
2.7.4


-- 
Kees Cook
Pixel Security
--
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