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drm: rcar-du: Remove #ifdef guards for PM related functions
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> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221129191942.138244-4-paul@crapouillou.net
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1 changed files with 3 additions and 6 deletions
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@ -599,7 +599,6 @@ static const struct drm_driver rcar_du_driver = {
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* Power management
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* Power management
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*/
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*/
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#ifdef CONFIG_PM_SLEEP
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static int rcar_du_pm_suspend(struct device *dev)
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static int rcar_du_pm_suspend(struct device *dev)
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{
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{
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struct rcar_du_device *rcdu = dev_get_drvdata(dev);
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struct rcar_du_device *rcdu = dev_get_drvdata(dev);
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@ -613,11 +612,9 @@ static int rcar_du_pm_resume(struct device *dev)
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return drm_mode_config_helper_resume(&rcdu->ddev);
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return drm_mode_config_helper_resume(&rcdu->ddev);
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}
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}
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#endif
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static const struct dev_pm_ops rcar_du_pm_ops = {
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static DEFINE_SIMPLE_DEV_PM_OPS(rcar_du_pm_ops,
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SET_SYSTEM_SLEEP_PM_OPS(rcar_du_pm_suspend, rcar_du_pm_resume)
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rcar_du_pm_suspend, rcar_du_pm_resume);
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};
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/* -----------------------------------------------------------------------------
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/* -----------------------------------------------------------------------------
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* Platform driver
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* Platform driver
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@ -712,7 +709,7 @@ static struct platform_driver rcar_du_platform_driver = {
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.shutdown = rcar_du_shutdown,
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.shutdown = rcar_du_shutdown,
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.driver = {
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.driver = {
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.name = "rcar-du",
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.name = "rcar-du",
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.pm = &rcar_du_pm_ops,
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.pm = pm_sleep_ptr(&rcar_du_pm_ops),
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.of_match_table = rcar_du_of_table,
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.of_match_table = rcar_du_of_table,
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},
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},
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};
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};
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