Messages in this thread Patch in this message | | | From | Stephen Boyd <> | Subject | [PATCH v2] clocksource/arm_arch_timer: Map frame with of_io_request_and_map() | Date | Wed, 26 Oct 2016 00:35:50 -0700 |
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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 <sboyd@codeaurora.org> ---
Changes from v1: * Check for IS_ERR instead
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 73c487da6d2a..723cc924d8d1 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -964,8 +964,9 @@ 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; } -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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