linux-kernel - Re: [PATCH 1/2] clocksource/drivers/timer-tegra186: Avoid 64-bit divide operation

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Message-ID: <b77c900b-3b54-4cb6-8057-e5b7ca0fdfa8@nvidia.com>
Date: Thu, 3 Jul 2025 13:34:05 +0100
From: Jon Hunter <jonathanh@...dia.com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
 Guenter Roeck <linux@...ck-us.net>
Cc: Thomas Gleixner <tglx@...utronix.de>,
 Thierry Reding <thierry.reding@...il.com>, linux-kernel@...r.kernel.org,
 linux-tegra@...r.kernel.org, Pohsun Su <pohsuns@...dia.com>,
 Robert Lin <robelin@...dia.com>, Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH 1/2] clocksource/drivers/timer-tegra186: Avoid 64-bit
 divide operation

Hi Daniel,

On 24/06/2025 15:32, Daniel Lezcano wrote:
> On Sat, Jun 14, 2025 at 10:55:55AM -0700, Guenter Roeck wrote:
>> Building the driver on xtensa fails with
>>
>> tensa-linux-ld: drivers/clocksource/timer-tegra186.o:
>> 	in function `tegra186_timer_remove':
>> timer-tegra186.c:(.text+0x350):
>> 	undefined reference to `__udivdi3'
>>
>> Avoid the problem by rearranging the offending code to avoid the 64-bit
>> divide operation.
>>
> 
> Hi Guenter,
> 
> Arnd posted a version which seems more complete.
> 
> https://lore.kernel.org/all/20250620111939.3395525-1-arnd@kernel.org/

Actually Arnd responded here saying this version looks better :-)

https://lore.kernel.org/all/5a571236-7de0-42bc-bfb2-52a57e210852@app.fastmail.com/

OK, to pick up this series now?

Thanks
Jon

-- 
nvpublic