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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 03/10] Clocksource: add nuc970 clocksource driver
Date: Tue, 12 Jul 2016 10:28:35 +0200	[thread overview]
Message-ID: <26830152.1oBSpuVOM0@wuerfel> (raw)
In-Reply-To: <57849D2B.60305@iommu.org>

On Tuesday, July 12, 2016 3:32:59 PM CEST Wan Zongshun wrote:
> 
> On 2016?07?11? 23:36, Arnd Bergmann wrote:
> > On Sunday, July 10, 2016 3:27:23 PM CEST Wan Zongshun wrote:
> >>
> >> +config NUC900_TIMER
> >> +        bool "Clocksource timer for nuc900 platform" if COMPILE_TEST
> >> +        depends on ARM
> >> +        select CLKSRC_OF if OF
> >> +        select CLKSRC_MMIO
> >> +        help
> >> +          Enables the clocksource for the NUC900 platform.
> >>
> >
> > I have put this patch into my randconfig build system and found that
> > it lacks a dependency:
> >
> >
> >
> > diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> > index e18ef32776a3..59b9251eef37 100644
> > --- a/drivers/clocksource/Kconfig
> > +++ b/drivers/clocksource/Kconfig
> > @@ -523,7 +523,7 @@ config CLKSRC_ST_LPC
> >
> >   config NUC900_TIMER
> >           bool "Clocksource timer for nuc900 platform" if COMPILE_TEST
> > -        depends on ARM
> > +        depends on ARM && GENERIC_CLOCKEVENTS
> >           select CLKSRC_OF if OF
> >           select CLKSRC_MMIO
> >           help
> > 	
> 
> So this patch, I still need submit or you have merged it?

Ideally the driver should get submitted through the clocksource
maintainer tree. I have not applied it to any git tree that I
plan to send anywhere.

> >
> > Also the init function has changed its return type in linux-next:
> >
> >> +static void __init nuc970_timer_of_init(struct device_node *node)
> >
> > This now needs to return an error code or we get:
> >
> > ../include/linux/of.h:1004:20: error: comparison of distinct pointer types lacks a cast [-Werror]
> >          .data = (fn == (fn_type)NULL) ? fn : fn  }
> >
> > Daniel Lezcano seems to have implemented a migration strategy, but I
> > can't see what you are supposed to do here, since the
> > CLOCKSOURCE_OF_DECLARE_RET macro is no longer part of linux-next.
> 
> Wait for Daniel's comments? or what should I do now?

Yes, let's see what he says. I guess from the timing, this will probably
have to wait for linux-4.9 anyway, and then we have no problem because the
API change will make it into 4.8.

	Arnd

  reply	other threads:[~2016-07-12  8:28 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-10  7:27 [PATCH v2 00/10] ARM: NUC900: Add NUC970 SoC support Wan Zongshun
2016-07-10  7:27 ` [PATCH v2 01/10] ARM: NUC900: Add nuc970 machine support Wan Zongshun
2016-07-10 22:11   ` Arnd Bergmann
2016-07-11 16:04   ` Arnd Bergmann
2016-07-12  4:30     ` Wan Zongshun
2016-07-12  7:14       ` Wan Zongshun
2016-07-12  8:23         ` Arnd Bergmann
2016-07-10  7:27 ` [PATCH v2 02/10] irqchip: add irqchip driver for nuc900 Wan Zongshun
2016-07-10 21:51   ` Paul Gortmaker
2016-07-11  2:19     ` Wan Zongshun
2016-07-11 15:46   ` Arnd Bergmann
2016-07-12  7:04     ` Wan Zongshun
2016-07-12  8:26       ` Arnd Bergmann
2016-07-14  8:52         ` Wan Zongshun
2016-07-14 11:09           ` Arnd Bergmann
2016-07-13 20:09   ` Jason Cooper
2016-07-14  3:36     ` Wan Zongshun
2016-07-14 13:54       ` Jason Cooper
2016-07-15  5:15         ` Wan Zongshun
2016-07-15  7:00           ` Arnd Bergmann
2016-07-15  9:44             ` Wan ZongShun
2016-07-15 10:02               ` Arnd Bergmann
2016-07-21 18:45                 ` Jason Cooper
2016-07-15 15:45               ` Jason Cooper
2016-07-10  7:27 ` [PATCH v2 03/10] Clocksource: add nuc970 clocksource driver Wan Zongshun
2016-07-11 15:36   ` Arnd Bergmann
2016-07-12  7:32     ` Wan Zongshun
2016-07-12  8:28       ` Arnd Bergmann [this message]
2016-07-21 12:52         ` Daniel Lezcano
2016-07-21 12:54           ` Arnd Bergmann
2016-07-10  7:27 ` [PATCH v2 04/10] clk: add Clock driver for nuc970 Wan Zongshun
2016-07-11 22:14   ` Michael Turquette
2016-07-10  7:27 ` [PATCH v2 05/10] power/reset: Add reset driver support for nuc900 Wan Zongshun
2016-07-10 21:56   ` Paul Gortmaker
2016-07-11  2:30     ` Wan Zongshun
2016-07-11  2:58       ` Paul Gortmaker
2016-07-10  7:27 ` [PATCH v2 06/10] soc: Add SoC specific " Wan Zongshun
2016-07-11  8:03   ` Arnd Bergmann
2016-07-11  9:07     ` Wan Zongshun
2016-07-11 10:24       ` Arnd Bergmann
2016-07-11 10:28         ` Wan ZongShun
2016-07-11 10:36           ` Arnd Bergmann
2016-07-12  9:06     ` Wan Zongshun
2016-07-12  9:50       ` Arnd Bergmann
2016-07-10  7:27 ` [PATCH v2 07/10] ARM: dts: Add clock header file into dt-bindings Wan Zongshun

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