From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC23C36B for ; Thu, 3 Mar 2022 19:17:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E6CAC340EF; Thu, 3 Mar 2022 19:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646335073; bh=Bn6yM2yCazQaD8A1n65vFEXUE6/ICsJ38pFbK9aUJgI=; h=From:To:Cc:Subject:Date:From; b=iTjVwt4UqIgbxWTLRvkngGpAVSCYS4YNcN0Ygvp+LrmbbiXUrG8GPGRTpIQ/nZiAk d1MHXXwqxSwpd06CmwvYhhRsGXr4aa23ggt+UPFlEHqD/F8sSsig79trxNwADEJadw 3sTzXVZHAQBK44KrEXduhJmsotTNW2XEPMXawuYAhbT4Z5D2hlj/qysTU2cxAOZ/+G YipNczILWzwjJOGKUw0F+xtrAOOIpvBhQ3TVH2kNWlrl4zyYejm+UdiIA0m7F19JZq 1lwrQkKP/x9lryPXAnhl9wG/IBQHWellN4WMcAQ8Lv5/2R3DOw8d1PQFGT6uTWmdgq d0VT82ezc9Gfw== From: Nathan Chancellor To: Wolfram Sang , Jarkko Nikula Cc: Andy Shevchenko , Mika Westerberg , Jan Dabros , Hans de Goede , linux-i2c@vger.kernel.org, patches@lists.linux.dev, Nathan Chancellor Subject: [PATCH -next] i2c: designware: Mark dw_i2c_plat_{suspend,resume}() as __maybe_unused Date: Thu, 3 Mar 2022 12:17:13 -0700 Message-Id: <20220303191713.2402461-1-nathan@kernel.org> X-Mailer: git-send-email 2.35.1 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit When CONFIG_PM is set but CONFIG_PM_SLEEP is not, two compiler warnings appear: drivers/i2c/busses/i2c-designware-platdrv.c:444:12: error: unused function 'dw_i2c_plat_suspend' [-Werror,-Wunused-function] static int dw_i2c_plat_suspend(struct device *dev) ^ drivers/i2c/busses/i2c-designware-platdrv.c:465:12: error: unused function 'dw_i2c_plat_resume' [-Werror,-Wunused-function] static int dw_i2c_plat_resume(struct device *dev) ^ 2 errors generated. These functions are only used in SET_LATE_SYSTEM_SLEEP_PM_OPS(), which is defined as empty when CONFIG_PM_SLEEP is not defined. Mark the functions as __maybe_unused to make it clear that these functions might be unused in this configuration. Fixes: c57813b8b288 ("i2c: designware: Lock the adapter while setting the suspended flag") Signed-off-by: Nathan Chancellor --- drivers/i2c/busses/i2c-designware-platdrv.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 116a297d1f6b..70ade5306e45 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -441,7 +441,7 @@ static int dw_i2c_plat_runtime_suspend(struct device *dev) return 0; } -static int dw_i2c_plat_suspend(struct device *dev) +static int __maybe_unused dw_i2c_plat_suspend(struct device *dev) { struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); @@ -462,7 +462,7 @@ static int dw_i2c_plat_runtime_resume(struct device *dev) return 0; } -static int dw_i2c_plat_resume(struct device *dev) +static int __maybe_unused dw_i2c_plat_resume(struct device *dev) { struct dw_i2c_dev *i_dev = dev_get_drvdata(dev); base-commit: 1d366c2f9df8279df2adbb60471f86fc40a1c39e -- 2.35.1