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Message-ID: <b0e2bd21-f670-f05a-6e23-4c6c75a94868@ti.com>
Date: Tue, 12 May 2020 11:35:40 +0300
From: Grygorii Strashko <grygorii.strashko@...com>
To: Arnd Bergmann <arnd@...db.de>
CC: Networking <netdev@...r.kernel.org>,
Tony Lindgren <tony@...mide.com>,
"David S. Miller" <davem@...emloft.net>,
Russell King <linux@...linux.org.uk>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
linux-omap <linux-omap@...r.kernel.org>,
Richard Cochran <richardcochran@...il.com>,
Clay McClure <clay@...mons.net>, Dan Murphy <dmurphy@...com>,
Murali Karicheri <m-karicheri2@...com>
Subject: Re: [PATCH net v3] net: ethernet: ti: fix build and remove
TI_CPTS_MOD workaround
Hi Arnd,
On 08/05/2020 14:25, Arnd Bergmann wrote:
> On Fri, May 8, 2020 at 1:14 PM Grygorii Strashko
> <grygorii.strashko@...com> wrote:
>> On 08/05/2020 13:10, Arnd Bergmann wrote:
>>> On Fri, May 8, 2020 at 11:59 AM Grygorii Strashko
>
>>>> That's because TI_CPTS_MOD (which is the symbol gating the _compilation_ of
>>>> cpts.c) now depends on PTP_1588_CLOCK, and so is not enabled in these
>>>> configurations, but TI_CPTS (which is the symbol gating _calls_ to the cpts
>>>> functions) _is_ enabled. So we end up compiling calls to functions that
>>>> don't exist, resulting in the linker errors.
>>>>
>>>> This patch fixes build errors and restores previous behavior by:
>>>> - ensure PTP_1588_CLOCK=y in TI specific configs and CPTS will be built
>>>> - use IS_REACHABLE(CONFIG_TI_CPTS) in code instead of IS_ENABLED()
>>>
>>> I don't understand what IS_REACHABLE() is needed for once all the other
>>> changes are in place. I'd hope we can avoid that. Do you still see
>>> failures without
>>> that or is it just a precaution. I can do some randconfig testing on your patch
>>> to see what else might be needed to avoid IS_REACHABLE().
>>
>> I've not changed this part of original patch, but seems you're right.
>>
>> I can drop it and resend, but, unfortunately, i do not have time today for full build testing.
>
> I have applied to patch locally to my randconfig tree, with the IS_REACHABLE()
> changes taken out.
>
What will be the conclusion here?
--
Best regards,
grygorii
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