From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760807AbbIDRHh (ORCPT ); Fri, 4 Sep 2015 13:07:37 -0400 Received: from foss.arm.com ([217.140.101.70]:44861 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760374AbbIDRHU (ORCPT ); Fri, 4 Sep 2015 13:07:20 -0400 From: Marc Zyngier To: "Rafael J. Wysocki" , Len Brown , Hanjun Guo , Tomasz Nowicki , Thomas Gleixner , Jason Cooper , Lorenzo Pieralisi , Sudeep Holla , Will Deacon , Catalin Marinas Cc: linaro-acpi@lists.linaro.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/5] clocksource/acpi: Add probing infrastructure for ACPI-based clocksources Date: Fri, 4 Sep 2015 18:06:51 +0100 Message-Id: <1441386412-8139-5-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1441386412-8139-1-git-send-email-marc.zyngier@arm.com> References: <1441386412-8139-1-git-send-email-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DT enjoys a rather nice probing infrastructure for clocksources, while ACPI is so far stuck into a very distant past. This patch introduces a declarative API, allowing clocksources to be self-contained and be called when parsing the GTDT table. Signed-off-by: Marc Zyngier --- drivers/clocksource/clksrc-of.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c index 0093a8e..b351b1e 100644 --- a/drivers/clocksource/clksrc-of.c +++ b/drivers/clocksource/clksrc-of.c @@ -14,6 +14,7 @@ * along with this program. If not, see . */ +#include #include #include #include @@ -38,6 +39,9 @@ void __init clocksource_of_init(void) init_func(np); clocksources++; } + + clocksources += acpi_probe_device_table(ACPI_SIG_GTDT); + if (!clocksources) pr_crit("%s: no matching clocksources found\n", __func__); } -- 2.1.4