From mboxrd@z Thu Jan 1 00:00:00 1970 From: daniel.lezcano@linaro.org (Daniel Lezcano) Date: Tue, 22 Nov 2016 10:44:23 +0100 Subject: [PATCH 3/4] clocksource/drivers/arm_arch_timer: Map frame with of_io_request_and_map() 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> Message-ID: <1479807866-6957-3-git-send-email-daniel.lezcano@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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