linux-kernel - Re: [PATCH v3 4/4] watchdog: Add support for VIA/WonderMedia SoC watchdog functionality

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Message-ID: <CABjd4YykcZckQFfyuSpMtCJybq2nQuj9TYAP2S7RfivPLYPUnw@mail.gmail.com>
Date: Fri, 16 May 2025 16:02:13 +0300
From: Alexey Charkov <alchark@...il.com>
To: kernel test robot <lkp@...el.com>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>, 
	Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck <linux@...ck-us.net>, 
	oe-kbuild-all@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v3 4/4] watchdog: Add support for VIA/WonderMedia SoC
 watchdog functionality

On Fri, May 16, 2025 at 9:56 AM kernel test robot <lkp@...el.com> wrote:
>
> Hi Alexey,
>
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on 92a09c47464d040866cf2b4cd052bc60555185fb]
>
> url:    https://github.com/intel-lab-lkp/linux/commits/Alexey-Charkov/dt-bindings-timer-via-vt8500-timer-Convert-to-YAML/20250516-025729
> base:   92a09c47464d040866cf2b4cd052bc60555185fb
> patch link:    https://lore.kernel.org/r/20250515-vt8500-timer-updates-v3-4-2197a1b062bd%40gmail.com
> patch subject: [PATCH v3 4/4] watchdog: Add support for VIA/WonderMedia SoC watchdog functionality
> config: sparc-allmodconfig (https://download.01.org/0day-ci/archive/20250516/202505161430.wdURc0TG-lkp@intel.com/config)
> compiler: sparc64-linux-gcc (GCC) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250516/202505161430.wdURc0TG-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202505161430.wdURc0TG-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
>    drivers/watchdog/vt8500-wdt.c: In function 'vt8500_wdt_probe':
> >> drivers/watchdog/vt8500-wdt.c:98:44: warning: conversion from 'long unsigned int' to 'unsigned int' changes value from '6148914691236517' to '3287081637' [-Woverflow]
>       98 |         drvdata->wdd.max_hw_heartbeat_ms = -1UL / (VT8500_TIMER_HZ / 1000);

Will change to U32_MAX in the next version.

Best regards,
Alexey