Commit 
f80ae7e45a0e03da188494c6e947a5c8b0cdfb4a
ahci: filter FPDMA non-zero offset enable for Aspire 3810T
breaks the current git build for configurations that don't define
CONFIG_ATA_ACPI.
This adds an ifdef wrapper to ahci_gtf_filter_workaround.
Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
        return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
 }
 
+#ifdef CONFIG_ATA_ACPI
 static void ahci_gtf_filter_workaround(struct ata_host *host)
 {
        static const struct dmi_system_id sysids[] = {
                                dev->gtf_filter |= filter;
        }
 }
+#else
+static inline void ahci_gtf_filter_workaround(struct ata_host *host)
+{}
+#endif
 
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {