[libata] Disable ACPI by default; fix namespace problems
Not yet ready to turn on ATA ACPI by default, for either PATA or SATA.
Also, rename the global-scope module parameter variable 'noacpi' to
something more libata-specific, reducing the potential for namespace
collision.
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index c426714..1f1e3a5 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -56,7 +56,7 @@
extern int atapi_enabled;
extern int atapi_dmadir;
extern int libata_fua;
-extern int noacpi;
+extern int libata_noacpi;
extern struct ata_queued_cmd *ata_qc_new_init(struct ata_device *dev);
extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev,
u64 block, u32 n_block, unsigned int tf_flags,