| Message ID | 20221107175106.360578-9-paul@crapouillou.net (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm: Get rid of #ifdef CONFIG_PM* guards | expand |
On Mon, Nov 07, 2022 at 05:50:48PM +0000, Paul Cercueil wrote: > Use the DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle > the .suspend/.resume callbacks. > > These macros allow the suspend and resume functions to be automatically > dropped by the compiler when CONFIG_SUSPEND 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. > > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Boris Brezillon <bbrezillon@kernel.org> > Cc: Nicolas Ferre <nicolas.ferre@microchip.com> > Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> > Cc: Claudiu Beznea <claudiu.beznea@microchip.com> > Cc: linux-arm-kernel@lists.infradead.org Acked-by: Sam Ravnborg <sam@ravnborg.org> Thanks for taking care of this. Sam
On 07.11.2022 19:50, Paul Cercueil wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > Use the DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle > the .suspend/.resume callbacks. > > These macros allow the suspend and resume functions to be automatically > dropped by the compiler when CONFIG_SUSPEND 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. > > Signed-off-by: Paul Cercueil <paul@crapouillou.net> > --- > Cc: Sam Ravnborg <sam@ravnborg.org> > Cc: Boris Brezillon <bbrezillon@kernel.org> > Cc: Nicolas Ferre <nicolas.ferre@microchip.com> > Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> > Cc: Claudiu Beznea <claudiu.beznea@microchip.com> > Cc: linux-arm-kernel@lists.infradead.org Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com> > --- > drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 9 ++++----- > 1 file changed, 4 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > index f7e7f4e919c7..05146936cc70 100644 > --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c > @@ -784,7 +784,6 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev) > return 0; > } > > -#ifdef CONFIG_PM_SLEEP > static int atmel_hlcdc_dc_drm_suspend(struct device *dev) > { > struct drm_device *drm_dev = dev_get_drvdata(dev); > @@ -815,10 +814,10 @@ static int atmel_hlcdc_dc_drm_resume(struct device *dev) > > return drm_atomic_helper_resume(drm_dev, dc->suspend.state); > } > -#endif > > -static SIMPLE_DEV_PM_OPS(atmel_hlcdc_dc_drm_pm_ops, > - atmel_hlcdc_dc_drm_suspend, atmel_hlcdc_dc_drm_resume); > +static DEFINE_SIMPLE_DEV_PM_OPS(atmel_hlcdc_dc_drm_pm_ops, > + atmel_hlcdc_dc_drm_suspend, > + atmel_hlcdc_dc_drm_resume); > > static const struct of_device_id atmel_hlcdc_dc_of_match[] = { > { .compatible = "atmel,hlcdc-display-controller" }, > @@ -830,7 +829,7 @@ static struct platform_driver atmel_hlcdc_dc_platform_driver = { > .remove = atmel_hlcdc_dc_drm_remove, > .driver = { > .name = "atmel-hlcdc-display-controller", > - .pm = &atmel_hlcdc_dc_drm_pm_ops, > + .pm = pm_sleep_ptr(&atmel_hlcdc_dc_drm_pm_ops), > .of_match_table = atmel_hlcdc_dc_of_match, > }, > }; > -- > 2.35.1 >
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index f7e7f4e919c7..05146936cc70 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -784,7 +784,6 @@ static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP static int atmel_hlcdc_dc_drm_suspend(struct device *dev) { struct drm_device *drm_dev = dev_get_drvdata(dev); @@ -815,10 +814,10 @@ static int atmel_hlcdc_dc_drm_resume(struct device *dev) return drm_atomic_helper_resume(drm_dev, dc->suspend.state); } -#endif -static SIMPLE_DEV_PM_OPS(atmel_hlcdc_dc_drm_pm_ops, - atmel_hlcdc_dc_drm_suspend, atmel_hlcdc_dc_drm_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(atmel_hlcdc_dc_drm_pm_ops, + atmel_hlcdc_dc_drm_suspend, + atmel_hlcdc_dc_drm_resume); static const struct of_device_id atmel_hlcdc_dc_of_match[] = { { .compatible = "atmel,hlcdc-display-controller" }, @@ -830,7 +829,7 @@ static struct platform_driver atmel_hlcdc_dc_platform_driver = { .remove = atmel_hlcdc_dc_drm_remove, .driver = { .name = "atmel-hlcdc-display-controller", - .pm = &atmel_hlcdc_dc_drm_pm_ops, + .pm = pm_sleep_ptr(&atmel_hlcdc_dc_drm_pm_ops), .of_match_table = atmel_hlcdc_dc_of_match, }, };
Use the DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros to handle the .suspend/.resume callbacks. These macros allow the suspend and resume functions to be automatically dropped by the compiler when CONFIG_SUSPEND 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. Signed-off-by: Paul Cercueil <paul@crapouillou.net> --- Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Boris Brezillon <bbrezillon@kernel.org> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Cc: linux-arm-kernel@lists.infradead.org --- drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)