From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Fernandes Subject: [PATCH 1/8] ARM: OMAP2+: timer: Add a powerup function Date: Tue, 22 Apr 2014 20:27:02 -0500 Message-ID: <1398216429-4681-2-git-send-email-joelf@ti.com> References: <1398216429-4681-1-git-send-email-joelf@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1398216429-4681-1-git-send-email-joelf@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Tony Lindgren , Rob Herring , Linux OMAP List , Linux ARM Kernel List , Linux Kernel Mailing List Cc: Joel Fernandes List-Id: linux-omap@vger.kernel.org In an effort to isolate the time power initialization for future purposes, add a function to do the same. This primarily involves a hwmod lookup, setup and enable. Signed-off-by: Joel Fernandes --- arch/arm/mach-omap2/timer.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index dfb19df..ec427e6 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -210,6 +210,31 @@ static void __init omap_dmtimer_init(void) } } +int __init omap_dmtimer_powerup(struct device_node *np) +{ + struct omap_hwmod *oh; + const char *oh_name = NULL; + int ret; + + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) + return -ENODEV; + + ret = omap_hwmod_setup_one(oh_name); + if (ret) + return ret; + + ret = omap_hwmod_enable(oh); + if (ret) + return ret; + + return 0; +} + /** * omap_dm_timer_get_errata - get errata flags for a timer * -- 1.7.9.5