Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756457AbcJZHgH (ORCPT ); Wed, 26 Oct 2016 03:36:07 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:53276 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754980AbcJZHf6 (ORCPT ); Wed, 26 Oct 2016 03:35:58 -0400 DMARC-Filter: OpenDMARC Filter v1.3.1 smtp.codeaurora.org 211E6614EB Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=pass smtp.mailfrom=sboyd@codeaurora.org From: Stephen Boyd To: Mark Rutland , Marc Zyngier Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Daniel Lezcano , Thomas Gleixner Subject: [PATCH v2] clocksource/arm_arch_timer: Map frame with of_io_request_and_map() Date: Wed, 26 Oct 2016 00:35:50 -0700 Message-Id: <20161026073550.22918-1-sboyd@codeaurora.org> X-Mailer: git-send-email 2.10.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 31 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 --- 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