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Groups > linux.kernel > #1653874
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| From | Dong Aisheng <dongas86@gmail.com> |
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] timer: imx-tpm: add imx tpm timer support |
| Date | Wed, 31 May 2017 08:40:01 +0200 |
| Message-ID | <tN5st-1db-9@gated-at.bofh.it> (permalink) |
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| X-Original-To | Arnd Bergmann <arnd@arndb.de> |
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| X-Original-Cc | Dong Aisheng <aisheng.dong@nxp.com>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Linux ARM <linux-arm-kernel@lists.infradead.org>, Daniel Lezcano <daniel.lezcano@linaro.org>, Thomas Gleixner <tglx@linutronix.de>, Shawn Guo <shawnguo@kernel.org>, ping.bai@nxp.com, anson.huang@nxp.com, Sascha Hauer <kernel@pengutronix.de> |
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Hi Arnd,
On Thu, May 25, 2017 at 11:02:22PM +0200, Arnd Bergmann wrote:
> On Sat, May 13, 2017 at 9:29 AM, Dong Aisheng <aisheng.dong@nxp.com> wrote:
>
> > diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> > index 3356ab8..03dfd6a 100644
> > --- a/drivers/clocksource/Kconfig
> > +++ b/drivers/clocksource/Kconfig
> > @@ -590,6 +590,11 @@ config CLKSRC_IMX_GPT
> > depends on ARM && CLKDEV_LOOKUP
> > select CLKSRC_MMIO
> >
> > +config CLKSRC_IMX_TPM
> > + bool "Clocksource using i.MX TPM" if COMPILE_TEST
> > + depends on ARM && CLKDEV_LOOKUP && GENERIC_CLOCKEVENTS
> > + select CLKSRC_MMIO
> > +
>
> This needs a help text
>
Got it
>
> > +static inline void tpm_timer_disable(void)
> > +{
> > + unsigned int val;
> > +
> > + /* channel disable */
> > + val = __raw_readl(timer_base + TPM_C0SC);
> > + val &= ~(TPM_C0SC_MODE_MASK | TPM_C0SC_CHIE);
> > + __raw_writel(val, timer_base + TPM_C0SC);
> > +}
>
> __raw_readl/__raw_writel is broken on big-endian kernels, please
> use readl/writel instead.
>
That's true.
Thanks for the kind reminder.
Regards
Dong Aisheng
> Arnd
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Re: [PATCH 2/2] timer: imx-tpm: add imx tpm timer support Arnd Bergmann <arnd@arndb.de> - 2017-05-25 23:10 +0200 Re: [PATCH 2/2] timer: imx-tpm: add imx tpm timer support Dong Aisheng <dongas86@gmail.com> - 2017-05-31 08:40 +0200
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