From: Kees Cook <keescook@chromium.org>
Date: Fri, 20 Oct 2017 00:02:56 +0000 (-0700)
Subject: drm: gma500: Convert timers to use timer_setup()
X-Git-Tag: v4.19~2235^2~6^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=856ec53fcab37f52b184b0b2e3757702005455ff;p=platform%2Fkernel%2Flinux-rpi.git

drm: gma500: Convert timers to use timer_setup()

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: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/gma500/psb_lid.c b/drivers/gpu/drm/gma500/psb_lid.c
index 1d2ebb5..be6dda5 100644
--- a/drivers/gpu/drm/gma500/psb_lid.c
+++ b/drivers/gpu/drm/gma500/psb_lid.c
@@ -23,9 +23,9 @@
 #include "psb_intel_reg.h"
 #include <linux/spinlock.h>
 
-static void psb_lid_timer_func(unsigned long data)
+static void psb_lid_timer_func(struct timer_list *t)
 {
-	struct drm_psb_private * dev_priv = (struct drm_psb_private *)data;
+	struct drm_psb_private *dev_priv = from_timer(dev_priv, t, lid_timer);
 	struct drm_device *dev = (struct drm_device *)dev_priv->dev;
 	struct timer_list *lid_timer = &dev_priv->lid_timer;
 	unsigned long irq_flags;
@@ -77,10 +77,8 @@ void psb_lid_timer_init(struct drm_psb_private *dev_priv)
 	spin_lock_init(&dev_priv->lid_lock);
 	spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
 
-	init_timer(lid_timer);
+	timer_setup(lid_timer, psb_lid_timer_func, 0);
 
-	lid_timer->data = (unsigned long)dev_priv;
-	lid_timer->function = psb_lid_timer_func;
 	lid_timer->expires = jiffies + PSB_LID_DELAY;
 
 	add_timer(lid_timer);