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. Thanks, -- heikki -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
