linux-kernel - Re: [PATCH v1 1/1] mfd: syscon: Remove repetition of the regmap_get_val

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Message-ID: <424a274f-2095-42b0-6c93-67f7284ba309@leemhuis.info>
Date:   Mon, 24 Oct 2022 10:16:17 +0200
From:   Thorsten Leemhuis <regressions@...mhuis.info>
To:     regressions@...ts.linux.dev
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] mfd: syscon: Remove repetition of the
 regmap_get_val_endian()

On 23.10.22 17:08, Thorsten Leemhuis wrote:
> On 09.10.22 18:39, Guenter Roeck wrote:
>> On Mon, Aug 08, 2022 at 05:08:11PM +0300, Andy Shevchenko wrote:
>>> Since the commit 0dbdb76c0ca8 ("regmap: mmio: Parse endianness
>>> definitions from DT") regmap MMIO parses DT itsef, no need to
>>> repeat this in the caller(s).
>>>
>>> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
>>
>> This patch results in reboot failures for all big endian mips emulations.
>>
>> Sample log:
>>
>> Network interface test passed
>> Boot successful.
>> Rebooting
>> reboot: Restarting system
>> Unable to restart system
>> Reboot failed -- System halted
>>
>> The problem is not seen with little endian mips emulations. Reverting
>> this patch fixes the problem. Bisect log attached.
>>
>> #regzbot introduced: 72a95859728a
>> #regzbot title: Reboot failure on big endian mips systems
> 
> #regzbot monitor: https://lore.kernel.org/all/Y0GZwkDwnak2ReTt@zx2c4.com/

#regzbot fixed-by: ca4582c286aa4465