From: arnd@arndb.de (Arnd Bergmann) Date: Mon, 3 Feb 2014 15:53:45 +0100 Subject: [PATCH v5 08/14] ahci-platform: "Library-ise" suspend / resume functionality In-Reply-To: <1390417489-5354-9-git-send-email-hdegoede@redhat.com> References: <1390417489-5354-1-git-send-email-hdegoede@redhat.com> <1390417489-5354-9-git-send-email-hdegoede@redhat.com> Message-ID: <201402031553.46083.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wednesday 22 January 2014, Hans de Goede wrote: > --- a/include/linux/ahci_platform.h > +++ b/include/linux/ahci_platform.h > @@ -50,4 +50,11 @@ int ahci_platform_init_host(struct platform_device *pdev, > unsigned int force_port_map, > unsigned int mask_port_map); > > +#ifdef CONFIG_PM_SLEEP > +int ahci_platform_suspend_host(struct device *dev); > +int ahci_platform_resume_host(struct device *dev); > +int ahci_platform_suspend(struct device *dev); > +int ahci_platform_resume(struct device *dev); > +#endif > + Not sure if the #ifdef does any good here. Normally, we don't hide declarations so we can do stuff like if (IS_ENABLED(CONFIG_PM_SLEEP)) ret = ahci_platform_suspend_host(dev); and expect the code to compile and link just fine. Arnd