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[2001:1c00:c1e:bf00:d69d:5353:dba5:ee81]) by smtp.gmail.com with ESMTPSA id pj27-20020a170906d79b00b007ad96726c42sm3794816ejb.91.2022.11.07.11.43.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 07 Nov 2022 11:43:36 -0800 (PST) Message-ID: <00889f1f-d9e5-9607-6932-f72417953ea7@redhat.com> Date: Mon, 7 Nov 2022 20:43:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [PATCH 24/26] drm: gm12u320: Remove #ifdef guards for PM related functions Content-Language: en-US, nl To: Paul Cercueil , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20221107175106.360578-1-paul@crapouillou.net> <20221107175510.361051-1-paul@crapouillou.net> From: Hans de Goede In-Reply-To: <20221107175510.361051-1-paul@crapouillou.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 11/7/22 18:55, Paul Cercueil wrote: > Use the pm_ptr() macro to handle the .suspend / .resume / .reset_resume > callbacks. > > This macro allows the suspend and resume functions to be automatically > dropped by the compiler when CONFIG_PM is disabled, without having > to use #ifdef guards. > > This has the advantage of always compiling these functions in, > independently of any Kconfig option. Thanks to that, bugs and other > regressions are subsequently easier to catch. It also allows to drop the > __maybe_unused tags. > > Signed-off-by: Paul Cercueil > --- > Cc: Hans de Goede Thanks, patch looks good to me: Reviewed-by: Hans de Goede Regards, Hans > --- > drivers/gpu/drm/tiny/gm12u320.c | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/tiny/gm12u320.c b/drivers/gpu/drm/tiny/gm12u320.c > index 7441d992a5d7..0a901201142e 100644 > --- a/drivers/gpu/drm/tiny/gm12u320.c > +++ b/drivers/gpu/drm/tiny/gm12u320.c > @@ -4,6 +4,7 @@ > */ > > #include > +#include > #include > > #include > @@ -718,15 +719,15 @@ static void gm12u320_usb_disconnect(struct usb_interface *interface) > drm_atomic_helper_shutdown(dev); > } > > -static __maybe_unused int gm12u320_suspend(struct usb_interface *interface, > - pm_message_t message) > +static int gm12u320_suspend(struct usb_interface *interface, > + pm_message_t message) > { > struct drm_device *dev = usb_get_intfdata(interface); > > return drm_mode_config_helper_suspend(dev); > } > > -static __maybe_unused int gm12u320_resume(struct usb_interface *interface) > +static int gm12u320_resume(struct usb_interface *interface) > { > struct drm_device *dev = usb_get_intfdata(interface); > struct gm12u320_device *gm12u320 = to_gm12u320(dev); > @@ -747,11 +748,9 @@ static struct usb_driver gm12u320_usb_driver = { > .probe = gm12u320_usb_probe, > .disconnect = gm12u320_usb_disconnect, > .id_table = id_table, > -#ifdef CONFIG_PM > - .suspend = gm12u320_suspend, > - .resume = gm12u320_resume, > - .reset_resume = gm12u320_resume, > -#endif > + .suspend = pm_ptr(gm12u320_suspend), > + .resume = pm_ptr(gm12u320_resume), > + .reset_resume = pm_ptr(gm12u320_resume), > }; > > module_usb_driver(gm12u320_usb_driver);