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definitions=main-2404100173 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240410_162649_128268_6A22E05A X-CRM114-Status: GOOD ( 28.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Apr 10, 2024, Anand Moon wrote: > Hi Thinh, > > On Tue, 9 Apr 2024 at 07:24, Thinh Nguyen wrote: > > > > On Thu, Apr 04, 2024, Anand Moon wrote: > > > Use the new PM macros for the suspend and resume functions to be > > > automatically dropped by the compiler when CONFIG_PM_SLEEP are disabled, > > > without having to use #ifdef guards. If CONFIG_PM_SLEEP unused, > > > they will simply be discarded by the compiler. > > > > > > Signed-off-by: Anand Moon > > > --- > > > v2: add __maybe_unused to suspend/resume functions in case CONFIG_PM is > > > disabled. > > > > The compiler discards the code, yet we still need __maybe_unused? > > > Earlier version had not added this since but I removed the > guard.CONFIG_PM_SLEEP. > added __maybe_unused just to safeguard the function. > > I have tried to build with config by disabling CONFIG_PM and CONFIG_PM_SLEEP > but could get the warning compilation by adding flag W=1 > -Werror=unused-function. > > > But since these CONFIG_PM and CONFIG_PM_SLEEP cannot be disabled, > I am not getting any warning related to these functions. > > Do you want me to remove __maybe_unused ? > The warning was there as expected. You should to use it along with DEFINE_SIMPLE_DEV_PM_OPS(). Let me know if you still see the same warning. BR, Thinh _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel