From: Joel Stanley <joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
To: Daniel Lezcano
<daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
jonas.jensen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
Jeremy Kerr <jk-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Benjamin Herrenschmidt
<benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH 2/4] drivers/clocksource/moxart: Refactor enable/disable
Date: Tue, 10 May 2016 20:36:50 +0930 [thread overview]
Message-ID: <CACPK8XfJ2e1kr-WftidvqsoYew7LqPiNo0sw7opgh8UH=3q_3A@mail.gmail.com> (raw)
In-Reply-To: <1462797169-14512-3-git-send-email-joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
Hi Daniel,
Here's a commit message for this patch. If you'd prefer me to resend
the entire series with this included then I can do that.
This patch abstracts the enable and disable register writes into their
own functions in preparation for future changes to use SoC specific
values for the writes.
> Signed-off-by: Joel Stanley <joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
> ---
> drivers/clocksource/moxart_timer.c | 22 ++++++++++++++++------
> 1 file changed, 16 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/clocksource/moxart_timer.c b/drivers/clocksource/moxart_timer.c
> index 19857af651c1..b00b2b21e8b3 100644
> --- a/drivers/clocksource/moxart_timer.c
> +++ b/drivers/clocksource/moxart_timer.c
> @@ -58,15 +58,25 @@
> static void __iomem *base;
> static unsigned int clock_count_per_tick;
>
> -static int moxart_shutdown(struct clock_event_device *evt)
> +static inline void moxart_disable(struct clock_event_device *evt)
> {
> writel(TIMER1_DISABLE, base + TIMER_CR);
> +}
> +
> +static inline void moxart_enable(struct clock_event_device *evt)
> +{
> + writel(TIMER1_ENABLE, base + TIMER_CR);
> +}
> +
> +static int moxart_shutdown(struct clock_event_device *evt)
> +{
> + moxart_disable(evt);
> return 0;
> }
>
> static int moxart_set_oneshot(struct clock_event_device *evt)
> {
> - writel(TIMER1_DISABLE, base + TIMER_CR);
> + moxart_disable(evt);
> writel(~0, base + TIMER1_BASE + REG_LOAD);
> return 0;
> }
> @@ -74,21 +84,21 @@ static int moxart_set_oneshot(struct clock_event_device *evt)
> static int moxart_set_periodic(struct clock_event_device *evt)
> {
> writel(clock_count_per_tick, base + TIMER1_BASE + REG_LOAD);
> - writel(TIMER1_ENABLE, base + TIMER_CR);
> + moxart_enable(evt);
> return 0;
> }
>
> static int moxart_clkevt_next_event(unsigned long cycles,
> - struct clock_event_device *unused)
> + struct clock_event_device *evt)
> {
> u32 u;
>
> - writel(TIMER1_DISABLE, base + TIMER_CR);
> + moxart_disable(evt);
>
> u = readl(base + TIMER1_BASE + REG_COUNT) - cycles;
> writel(u, base + TIMER1_BASE + REG_MATCH1);
>
> - writel(TIMER1_ENABLE, base + TIMER_CR);
> + moxart_enable(evt);
>
> return 0;
> }
> --
> 2.8.1
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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next prev parent reply other threads:[~2016-05-10 11:06 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 12:32 [PATCH 0/4] clocksource: Add support for Aspeed timer Joel Stanley
[not found] ` <1462797169-14512-1-git-send-email-joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
2016-05-09 12:32 ` [PATCH 1/4] drivers/clocksouree/moxart: Add kbuild symbol Joel Stanley
2016-05-09 12:32 ` [PATCH 2/4] drivers/clocksource/moxart: Refactor enable/disable Joel Stanley
[not found] ` <1462797169-14512-3-git-send-email-joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
2016-05-10 11:06 ` Joel Stanley [this message]
[not found] ` <CACPK8XfJ2e1kr-WftidvqsoYew7LqPiNo0sw7opgh8UH=3q_3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-10 13:04 ` Daniel Lezcano
[not found] ` <20160510130414.GE14952-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-07-20 5:17 ` Joel Stanley
[not found] ` <CACPK8XdK35p9rxr8et58omvQExjdri20yCq91LGocnPRYpGLQQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-07-20 8:14 ` Daniel Lezcano
[not found] ` <20160720081400.GA2705-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2016-07-20 8:22 ` Benjamin Herrenschmidt
2016-05-09 12:32 ` [PATCH 4/4] drivers/clocksource/moxart: Add Aspeed support Joel Stanley
[not found] ` <1462797169-14512-5-git-send-email-joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org>
2016-05-09 20:36 ` Rob Herring
2016-05-10 10:22 ` [PATCH 0/4] clocksource: Add support for Aspeed timer Daniel Lezcano
2016-05-09 12:32 ` [PATCH 3/4] drivers/clocksource/moxart: Use struct to hold state Joel Stanley
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