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Thu, 22 Apr 2021 02:05:46 +0000 Subject: Re: [PATCH 1/2] phy: tegra: xusb: annotate PM functions as __maybe_unused To: Arnd Bergmann , Kishon Vijay Abraham I , Vinod Koul , Thierry Reding , Jonathan Hunter CC: Arnd Bergmann , Chunfeng Yun , Marc Zyngier , Rikard Falkeborn , , , References: <20210421135613.3560777-1-arnd@kernel.org> X-Nvconfidentiality: public From: JC Kuo Organization: NVIDIA Message-ID: Date: Thu, 22 Apr 2021 10:05:44 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210421135613.3560777-1-arnd@kernel.org> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [172.20.145.6] X-ClientProxiedBy: HQMAIL101.nvidia.com (172.20.187.10) To HQMAIL107.nvidia.com (172.20.187.13) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 2b3e838d-0306-4118-8174-08d905332660 X-MS-TrafficTypeDiagnostic: DM6PR12MB4073: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3968; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Apr 2021 02:05:49.3846 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 2b3e838d-0306-4118-8174-08d905332660 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.112.34];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT033.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR12MB4073 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Arnd, Thanks for the fix. Reviewed-by: JC Kuo On 4/21/21 9:56 PM, Arnd Bergmann wrote: > From: Arnd Bergmann > > Depending on the configuration, there are no references to these > two helpers: > > drivers/phy/tegra/xusb.c:1286:12: error: 'tegra_xusb_padctl_resume_noirq' defined but not used [-Werror=unused-function] > 1286 | static int tegra_xusb_padctl_resume_noirq(struct device *dev) > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > drivers/phy/tegra/xusb.c:1276:12: error: 'tegra_xusb_padctl_suspend_noirq' defined but not used [-Werror=unused-function] > > Mark them as __maybe_unused to shut up the warnings without adding > fragile #ifdefs. > > Fixes: b8bb3d9c9b74 ("phy: tegra: xusb: Add sleepwalk and suspend/resume") > Signed-off-by: Arnd Bergmann > --- > drivers/phy/tegra/xusb.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c > index 0aadac678191..963de5913e50 100644 > --- a/drivers/phy/tegra/xusb.c > +++ b/drivers/phy/tegra/xusb.c > @@ -1273,7 +1273,7 @@ static int tegra_xusb_padctl_remove(struct platform_device *pdev) > return err; > } > > -static int tegra_xusb_padctl_suspend_noirq(struct device *dev) > +static __maybe_unused int tegra_xusb_padctl_suspend_noirq(struct device *dev) > { > struct tegra_xusb_padctl *padctl = dev_get_drvdata(dev); > > @@ -1283,7 +1283,7 @@ static int tegra_xusb_padctl_suspend_noirq(struct device *dev) > return 0; > } > > -static int tegra_xusb_padctl_resume_noirq(struct device *dev) > +static __maybe_unused int tegra_xusb_padctl_resume_noirq(struct device *dev) > { > struct tegra_xusb_padctl *padctl = dev_get_drvdata(dev); > >