On Fri, May 26, 2017 at 06:30:38AM -0700, Guenter Roeck wrote: > On 05/26/2017 04:08 AM, Heikki Krogerus wrote: > > Hi, > > > > On Thu, May 25, 2017 at 06:23:30AM -0700, Guenter Roeck wrote: > > > > + /* > > > > + * NOTE: The memory region for the data structures is used also in an > > > > + * operation region, which means ACPI has already reserved it. Therefore > > > > + * it can not be requested here. > > > > + */ > > > > + ua->ppm.data = devm_ioremap(&pdev->dev, res->start, resource_size(res)); > > > > > > devm_ioremap_resource() ? > > > > devm_ioremap_resource() will try to request the region, and like I > > tried to explain in the comment, it will fail as the region has > > already been reserved by ACPI. > > > > Maybe add this to the comment above ? > > .. it can not be requested here, and we can not use devm_ioremap_resource(). OK. Thanks, -- heikki -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
