All of lore.kernel.org
 help / color / mirror / Atom feed
From: Felipe Balbi <balbi@ti.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Tony Lindgren <tony@atomide.com>,
	linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: OMAP2: use correct timer function for AM43XX and TI81XX
Date: Thu, 19 Nov 2015 10:15:58 -0600	[thread overview]
Message-ID: <87io4yezi9.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <6973517.kQfhdpsmVt@wuerfel>


[-- Attachment #1.1: Type: text/plain, Size: 1839 bytes --]


Hi,

Arnd Bergmann <arnd@arndb.de> writes:
> On Monday 16 November 2015 15:13:55 Felipe Balbi wrote:
>> Arnd Bergmann <arnd@arndb.de> writes:
>> > AM43XX and TI81XX use omap3_gptimer_timer_init(), but that is only
>> > built into the kernel for OMAP3 and AM33XX, otherwise we get:
>> >
>> > arch/arm/mach-omap2/built-in.o:(.arch.info.init+0x124): undefined reference to `omap3_gptimer_timer_init'
>> >
>> > This changes the Kconfig logic for building the function to
>> > match the callers. Consequently, we no longer need to build
>> > the omap3_secure_sync32k_timer_init and omap4_local_timer_init
>> > for the platforms that have been moved over to other functions.
>> >
>> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>> 
>> no, AM43xx uses omap4_local_timer_init(), there's already a fix in
>> Tony's tree IIRC.
> ...
>  
>> care to provide a defconfig which would cause a build error ?
>
> My mistake, the code has changed several times and I adapted it to
> the latest version each time, but the version I sent out is indeed
> useless.
>
> The only hunk that still makes sense is
>
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index b18ebbefae09..b7ab09cc5ca2 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -494,7 +494,7 @@ void __init omap_init_time(void)
>  		clocksource_probe();
>  }
>  
> -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX)
> +#if defined(CONFIG_ARCH_OMAP3)
>  void __init omap3_secure_sync32k_timer_init(void)
>  {
>  	__omap_sync32k_timer_init(12, "secure_32k_fck", "ti,timer-secure",
>
>
> but that is harmless as it does not cause a build error, just a few extra
> bytes for an unused function in a AM43XX-only configuration.

I think that's still useful. Tony ?

-- 
balbi

[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 818 bytes --]

[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: OMAP2: use correct timer function for AM43XX and TI81XX
Date: Thu, 19 Nov 2015 10:15:58 -0600	[thread overview]
Message-ID: <87io4yezi9.fsf@saruman.tx.rr.com> (raw)
In-Reply-To: <6973517.kQfhdpsmVt@wuerfel>


Hi,

Arnd Bergmann <arnd@arndb.de> writes:
> On Monday 16 November 2015 15:13:55 Felipe Balbi wrote:
>> Arnd Bergmann <arnd@arndb.de> writes:
>> > AM43XX and TI81XX use omap3_gptimer_timer_init(), but that is only
>> > built into the kernel for OMAP3 and AM33XX, otherwise we get:
>> >
>> > arch/arm/mach-omap2/built-in.o:(.arch.info.init+0x124): undefined reference to `omap3_gptimer_timer_init'
>> >
>> > This changes the Kconfig logic for building the function to
>> > match the callers. Consequently, we no longer need to build
>> > the omap3_secure_sync32k_timer_init and omap4_local_timer_init
>> > for the platforms that have been moved over to other functions.
>> >
>> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
>> 
>> no, AM43xx uses omap4_local_timer_init(), there's already a fix in
>> Tony's tree IIRC.
> ...
>  
>> care to provide a defconfig which would cause a build error ?
>
> My mistake, the code has changed several times and I adapted it to
> the latest version each time, but the version I sent out is indeed
> useless.
>
> The only hunk that still makes sense is
>
> diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
> index b18ebbefae09..b7ab09cc5ca2 100644
> --- a/arch/arm/mach-omap2/timer.c
> +++ b/arch/arm/mach-omap2/timer.c
> @@ -494,7 +494,7 @@ void __init omap_init_time(void)
>  		clocksource_probe();
>  }
>  
> -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX)
> +#if defined(CONFIG_ARCH_OMAP3)
>  void __init omap3_secure_sync32k_timer_init(void)
>  {
>  	__omap_sync32k_timer_init(12, "secure_32k_fck", "ti,timer-secure",
>
>
> but that is harmless as it does not cause a build error, just a few extra
> bytes for an unused function in a AM43XX-only configuration.

I think that's still useful. Tony ?

-- 
balbi
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 818 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20151119/2623755a/attachment.sig>

  reply	other threads:[~2015-11-19 16:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-16 21:10 [PATCH] ARM: OMAP2: use correct timer function for AM43XX and TI81XX Arnd Bergmann
2015-11-16 21:10 ` Arnd Bergmann
2015-11-16 21:13 ` Felipe Balbi
2015-11-16 21:13   ` Felipe Balbi
2015-11-19 15:57   ` Arnd Bergmann
2015-11-19 15:57     ` Arnd Bergmann
2015-11-19 16:15     ` Felipe Balbi [this message]
2015-11-19 16:15       ` Felipe Balbi
2015-11-19 18:33       ` Tony Lindgren
2015-11-19 18:33         ` Tony Lindgren

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87io4yezi9.fsf@saruman.tx.rr.com \
    --to=balbi@ti.com \
    --cc=arnd@arndb.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-omap@vger.kernel.org \
    --cc=tony@atomide.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.