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Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver
Date 2016-06-29 17:30 +0200
Message-ID <rPpB7-5RI-11@gated-at.bofh.it> (permalink)
References <rNTah-4kz-7@gated-at.bofh.it> <rNTaj-4kz-51@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Saturday, June 25, 2016 6:37:19 PM CEST Wan Zongshun wrote:
> This patch is to add nuc970 clocksource driver support.
> 
> Signed-off-by: Wan Zongshun <mcuos.com@gmail.com>
> ---
>  .../mach-w90x900/include/mach/nuc970-regs-timer.h  |  44 +++++
>  drivers/clocksource/Kconfig                        |   8 +
>  drivers/clocksource/Makefile                       |   1 +
>  drivers/clocksource/timer-nuc900.c                 | 207 +++++++++++++++++++++
>  4 files changed, 260 insertions(+)
>  create mode 100644 arch/arm/mach-w90x900/include/mach/nuc970-regs-timer.h
>  create mode 100644 drivers/clocksource/timer-nuc900.c
> 
> diff --git a/arch/arm/mach-w90x900/include/mach/nuc970-regs-timer.h b/arch/arm/mach-w90x900/include/mach/nuc970-regs-timer.h
> new file mode 100644
> index 0000000..43d7e8b
> --- /dev/null
> +++ b/arch/arm/mach-w90x900/include/mach/nuc970-regs-timer.h

Please move the contents of the header file into the driver. We try to not
have any new mach/*.h headers.

> +
> +static unsigned int timer0_load;
> +static void __iomem *tmr_base;
> +
> +static int nuc970_clockevent_set_oneshot(struct clock_event_device *evt)
> +{
> +	unsigned int val;
> +
> +	val = __raw_readl(tmr_base + REG_TMR_TCSR0);
> +	val &= ~(0x03 << 27);
> +
> +	val |= (ONESHOT | COUNTEN | INTEN | PRESCALE);
> +
> +	__raw_writel(val, tmr_base + REG_TMR_TCSR0);
> +	return 0;
> +}
> +

writel() instead of __raw_writel()

	Arnd

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Thread

[PATCH 3/6] Clocksource: add nuc970 clocksource driver Wan Zongshun <vw@iommu.org> - 2016-06-25 12:40 +0200
  Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-06-27 21:50 +0200
    Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Wan Zongshun <vw@iommu.org> - 2016-07-05 10:30 +0200
      Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-07-05 12:10 +0200
  Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Arnd Bergmann <arnd@arndb.de> - 2016-06-29 17:30 +0200
    Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Daniel Lezcano <daniel.lezcano@linaro.org> - 2016-06-29 18:20 +0200
    Re: [PATCH 3/6] Clocksource: add nuc970 clocksource driver Wan Zongshun <vw@iommu.org> - 2016-07-05 09:50 +0200

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