From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: [PATCH 1/3] pinctrl: samsung: Constify wakeup driver specific data Date: Tue, 23 May 2017 20:41:39 +0200 Message-ID: <20170523184141.24284-1-krzk@kernel.org> Return-path: Received: from mail.kernel.org ([198.145.29.99]:37886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758024AbdEWSlu (ORCPT ); Tue, 23 May 2017 14:41:50 -0400 Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: Tomasz Figa , Krzysztof Kozlowski , Sylwester Nawrocki , Linus Walleij , Kukjin Kim , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Static exynos_irq_chip structures, containing driver specific data, are referenced only through opaque data pointer in const of_device_id table. The contents of pointed memory (exynos_irq_chip structure itself) is then copied with kmemdup() during wakeup initialization so exynos_irq_chip can be made const for code safenes. Signed-off-by: Krzysztof Kozlowski --- drivers/pinctrl/samsung/pinctrl-exynos.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index 7b0e6cc35e04..cdea07af308a 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -387,7 +387,7 @@ static int exynos_wkup_irq_set_wake(struct irq_data *irqd, unsigned int on) /* * irq_chip for wakeup interrupts */ -static struct exynos_irq_chip exynos4210_wkup_irq_chip __initdata = { +static const struct exynos_irq_chip exynos4210_wkup_irq_chip __initconst = { .chip = { .name = "exynos4210_wkup_irq_chip", .irq_unmask = exynos_irq_unmask, @@ -403,7 +403,7 @@ static struct exynos_irq_chip exynos4210_wkup_irq_chip __initdata = { .eint_pend = EXYNOS_WKUP_EPEND_OFFSET, }; -static struct exynos_irq_chip exynos7_wkup_irq_chip __initdata = { +static const struct exynos_irq_chip exynos7_wkup_irq_chip __initconst = { .chip = { .name = "exynos7_wkup_irq_chip", .irq_unmask = exynos_irq_unmask, -- 2.9.3