From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755655AbcKVJpD (ORCPT ); Tue, 22 Nov 2016 04:45:03 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:37612 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755601AbcKVJo7 (ORCPT ); Tue, 22 Nov 2016 04:44:59 -0500 From: Daniel Lezcano To: tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, Stephen Boyd , Marc Zyngier , Mark Rutland , linux-arm-kernel@lists.infradead.org (moderated list:ARM ARCHITECTED TIMER DRIVER) Subject: [PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() Date: Tue, 22 Nov 2016 10:44:23 +0100 Message-Id: <1479807866-6957-3-git-send-email-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479807866-6957-1-git-send-email-daniel.lezcano@linaro.org> References: <20161122094300.GA2017@mai> <1479807866-6957-1-git-send-email-daniel.lezcano@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stephen Boyd Let's use the of_io_request_and_map() API so that the frame region is protected and shows up in /proc/iomem. Signed-off-by: Stephen Boyd Signed-off-by: Daniel Lezcano Acked-by: Marc Zyngier --- drivers/clocksource/arm_arch_timer.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index a2503db..02fef68 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -971,8 +971,9 @@ static int __init arch_timer_mem_init(struct device_node *np) } ret= -ENXIO; - base = arch_counter_base = of_iomap(best_frame, 0); - if (!base) { + base = arch_counter_base = of_io_request_and_map(best_frame, 0, + "arch_mem_timer"); + if (IS_ERR(base)) { pr_err("arch_timer: Can't map frame's registers\n"); goto out; } -- 2.7.4