linux-kernel - [PATCH v3 2/2] usb: dwc2: host: Convert hcd_queue to timer

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Date:   Mon, 30 Oct 2017 10:08:01 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     balbi@...nel.org, johnyoun@...opsys.com
Cc:     stefan.wahren@...e.com, amstan@...omium.org,
        linux-rockchip@...ts.infradead.org, gregkh@...uxfoundation.org,
        johan@...nel.org, eric@...olt.net, mka@...omium.org,
        john.stultz@...aro.org, linux-rpi-kernel@...ts.infradead.org,
        jwerner@...omium.org, Douglas Anderson <dianders@...omium.org>,
        Kees Cook <keescook@...omium.org>, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/2] usb: dwc2: host: Convert hcd_queue to timer_setup

Convert the timers in hcd_queue to use the new timer_setup() call
introduced in commit 686fef928bba ("timer: Prepare to change timer
callback argument type").

Suggested-by: Stefan Wahren <stefan.wahren@...e.com>
Signed-off-by: Douglas Anderson <dianders@...omium.org>
Cc: Kees Cook <keescook@...omium.org>
---

Changes in v3:
- Convert hcd_queue to timer_setup new for v3

 drivers/usb/dwc2/hcd_queue.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/dwc2/hcd_queue.c b/drivers/usb/dwc2/hcd_queue.c
index bea0aadd756e..6f5b5c8b0467 100644
--- a/drivers/usb/dwc2/hcd_queue.c
+++ b/drivers/usb/dwc2/hcd_queue.c
@@ -1275,11 +1275,11 @@ static void dwc2_do_unreserve(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
  * release the reservation.  This worker is called after the appropriate
  * delay.
  *
- * @work: Pointer to a qh unreserve_work.
+ * @t: Pointer to unreserve_timer in a qh.
  */
-static void dwc2_unreserve_timer_fn(unsigned long data)
+static void dwc2_unreserve_timer_fn(struct timer_list *t)
 {
-	struct dwc2_qh *qh = (struct dwc2_qh *)data;
+	struct dwc2_qh *qh = from_timer(qh, t, unreserve_timer);
 	struct dwc2_hsotg *hsotg = qh->hsotg;
 	unsigned long flags;
 
@@ -1461,11 +1461,11 @@ static void dwc2_deschedule_periodic(struct dwc2_hsotg *hsotg,
  * to retry some time later.  This function handles that timer and moves the
  * qh back to the "inactive" list, then queues transactions.
  *
- * @data: Pointer to a qh to re-schedule.
+ * @t: Pointer to wait_timer in a qh.
  */
-static void dwc2_wait_timer_fn(unsigned long data)
+static void dwc2_wait_timer_fn(struct timer_list *t)
 {
-	struct dwc2_qh *qh = (struct dwc2_qh *)data;
+	struct dwc2_qh *qh = from_timer(qh, t, wait_timer);
 	struct dwc2_hsotg *hsotg = qh->hsotg;
 	unsigned long flags;
 
@@ -1518,9 +1518,8 @@ static void dwc2_qh_init(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh,
 
 	/* Initialize QH */
 	qh->hsotg = hsotg;
-	setup_timer(&qh->unreserve_timer, dwc2_unreserve_timer_fn,
-		    (unsigned long)qh);
-	setup_timer(&qh->wait_timer, dwc2_wait_timer_fn, (unsigned long)qh);
+	timer_setup(&qh->unreserve_timer, dwc2_unreserve_timer_fn, 0);
+	timer_setup(&qh->wait_timer, dwc2_wait_timer_fn, 0);
 	qh->ep_type = ep_type;
 	qh->ep_is_in = ep_is_in;
 
-- 
2.15.0.rc2.357.g7e34df9404-goog