On Thu, Feb 21, 2019 at 9:55 PM Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > > On Thu, Feb 21, 2019 at 6:27 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > > > > From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> > > > > We only build devm_ioremap_resource() if HAS_IOMEM is selected, so this > > dependency must cascade down to devm_platform_ioremap_resource(). > > > +#ifdef CONFIG_HAS_IOMEM > > void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, > > unsigned int index) > > { > > @@ -96,6 +97,7 @@ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, > > return devm_ioremap_resource(&pdev->dev, res); > > } > > EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource); > > +#endif /* CONFIG_HAS_IOMEM */ > > What about declaration in *.h? > > Perhaps you may just do this inside the function? #ifdef ... #else return ERR_PTR(-ENOTSUPP); #endif -- With Best Regards, Andy Shevchenko