linux-kernel - mainline build failure due to ace6d1448138 ("mfd: cs42l43: Add support for cs42l43 core driver")

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Message-ID: <ZO8oNb2hpegB6BbE@debian>
Date:   Wed, 30 Aug 2023 12:29:57 +0100
From:   "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
To:     James Schulman <james.schulman@...rus.com>,
        David Rhodes <david.rhodes@...rus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>,
        Lee Jones <lee@...nel.org>
Cc:     alsa-devel@...a-project.org, patches@...nsource.cirrus.com,
        linux-kernel@...r.kernel.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        regressions@...ts.linux.dev
Subject: mainline build failure due to ace6d1448138 ("mfd: cs42l43: Add
 support for cs42l43 core driver")

Hi All,

The latest mainline kernel branch fails to build alpha, csky and s390
allmodconfig with the error:

drivers/mfd/cs42l43.c:1138:12: error: 'cs42l43_runtime_resume' defined but not used [-Werror=unused-function]
 1138 | static int cs42l43_runtime_resume(struct device *dev)
      |            ^~~~~~~~~~~~~~~~~~~~~~
drivers/mfd/cs42l43.c:1124:12: error: 'cs42l43_runtime_suspend' defined but not used [-Werror=unused-function]
 1124 | static int cs42l43_runtime_suspend(struct device *dev)
      |            ^~~~~~~~~~~~~~~~~~~~~~~
drivers/mfd/cs42l43.c:1106:12: error: 'cs42l43_resume' defined but not used [-Werror=unused-function]
 1106 | static int cs42l43_resume(struct device *dev)
      |            ^~~~~~~~~~~~~~
drivers/mfd/cs42l43.c:1076:12: error: 'cs42l43_suspend' defined but not used [-Werror=unused-function]
 1076 | static int cs42l43_suspend(struct device *dev)
      |            ^~~~~~~~~~~~~~~

git bisect pointed to ace6d1448138 ("mfd: cs42l43: Add support for cs42l43 core driver")

I will be happy to test any patch or provide any extra log if needed.


-- 
Regards
Sudip