From mboxrd@z Thu Jan 1 00:00:00 1970 From: a0131933@ti.com (Lokesh Vutla) Date: Thu, 16 Jul 2015 17:58:47 +0530 Subject: [PATCH 3/3] ARM: AMx3xx: hwmod: RTC: Add lock and unlock functions In-Reply-To: References: <1433928386-24891-1-git-send-email-lokeshvutla@ti.com> <1433928386-24891-4-git-send-email-lokeshvutla@ti.com> Message-ID: <55A7A37F.4080803@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Paul, On Thursday 16 July 2015 05:44 AM, Paul Walmsley wrote: > Hi > > On Wed, 10 Jun 2015, Lokesh Vutla wrote: > >> RTC IP have kicker feature which prevents spurious writes to its registers. >> In order to write into any of the RTC registers, KICK values has to be >> written to KICK registers. >> >> omap_hwmod_rtc_unlock/lock functions writes into these KICK registers >> inorder to lock and unlock RTC registers. >> This patch hooks omap_hwmod_rtc_unlock/lock functions into RTC hwmod, >> so that SYSCONFIG register is updated properly. >> >> Signed-off-by: Lokesh Vutla >> --- >> arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c >> index cabc569..2d92958 100644 >> --- a/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c >> +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_43xx_ipblock_data.c >> @@ -904,6 +904,8 @@ static struct omap_hwmod_class_sysconfig am33xx_rtc_sysc = { >> static struct omap_hwmod_class am33xx_rtc_hwmod_class = { >> .name = "rtc", >> .sysc = &am33xx_rtc_sysc, >> + .unlock = &omap_hwmod_rtc_unlock, >> + .lock = &omap_hwmod_rtc_lock, >> }; >> >> struct omap_hwmod am33xx_rtc_hwmod = { > > The DRA7xx integration from the previous patch should either be combined > with this patch, or moved into a separate patch like this one (your > preference). Ill make a separate patch for DRA7xx integration and repost it. Thanks and regards, Lokesh > > > - Paul >