Messages in this thread Patch in this message | | | Date | Mon, 16 Oct 2017 16:20:07 -0700 | From | Kees Cook <> | Subject | [PATCH] watchdog: lpc18xx_wdt: Convert timers to use timer_setup() |
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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: Wim Van Sebroeck <wim@iguana.be> Cc: Guenter Roeck <linux@roeck-us.net> Cc: linux-watchdog@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Guenter Roeck <linux@roeck-us.net> --- drivers/watchdog/lpc18xx_wdt.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/watchdog/lpc18xx_wdt.c b/drivers/watchdog/lpc18xx_wdt.c index 3b8bb59adf02..b4221f43cd94 100644 --- a/drivers/watchdog/lpc18xx_wdt.c +++ b/drivers/watchdog/lpc18xx_wdt.c @@ -78,10 +78,10 @@ static int lpc18xx_wdt_feed(struct watchdog_device *wdt_dev) return 0; } -static void lpc18xx_wdt_timer_feed(unsigned long data) +static void lpc18xx_wdt_timer_feed(struct timer_list *t) { - struct watchdog_device *wdt_dev = (struct watchdog_device *)data; - struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev); + struct lpc18xx_wdt_dev *lpc18xx_wdt = from_timer(lpc18xx_wdt, t, timer); + struct watchdog_device *wdt_dev = &lpc18xx_wdt->wdt_dev; lpc18xx_wdt_feed(wdt_dev); @@ -96,7 +96,9 @@ static void lpc18xx_wdt_timer_feed(unsigned long data) */ static int lpc18xx_wdt_stop(struct watchdog_device *wdt_dev) { - lpc18xx_wdt_timer_feed((unsigned long)wdt_dev); + struct lpc18xx_wdt_dev *lpc18xx_wdt = watchdog_get_drvdata(wdt_dev); + + lpc18xx_wdt_timer_feed(&lpc18xx_wdt->timer); return 0; } @@ -267,8 +269,7 @@ static int lpc18xx_wdt_probe(struct platform_device *pdev) __lpc18xx_wdt_set_timeout(lpc18xx_wdt); - setup_timer(&lpc18xx_wdt->timer, lpc18xx_wdt_timer_feed, - (unsigned long)&lpc18xx_wdt->wdt_dev); + timer_setup(&lpc18xx_wdt->timer, lpc18xx_wdt_timer_feed, 0); watchdog_set_nowayout(&lpc18xx_wdt->wdt_dev, nowayout); watchdog_set_restart_priority(&lpc18xx_wdt->wdt_dev, 128); -- 2.7.4
-- Kees Cook Pixel Security
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