SiS warning fixes

Somehow the sis_info133 external definition ended up in libata.h and that
was included by both drivers.  However libata.h contains libata-* specific
internals and clashing defines like DRV_NAME so this makes a mess.  Move
the extern into the C file and remove the warnings

[akpm@linux-foundation.org: create sis.h to avoid extern-decl-in-C]
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

4 files changed, 7 insertions, 6 deletions

diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index 29bd7f80fc40..c42671493e8c 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -159,7 +159,5 @@ extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc);
 /* libata-sff.c */
 extern u8 ata_irq_on(struct ata_port *ap);
 
-/* pata_sis.c */
-extern struct ata_port_info sis_info133;
 
 #endif /* __LIBATA_H__ */
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 560103d55b2e..0a17a95e0504 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -32,9 +32,8 @@
 #include <scsi/scsi_host.h>
 #include <linux/libata.h>
 #include <linux/ata.h>
-#include "libata.h"
+#include "sis.h"
 
-#undef DRV_NAME         /* already defined in libata.h, for libata-core */
 #define DRV_NAME        "pata_sis"
 #define DRV_VERSION     "0.4.5"
 
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 49c9e2bd706f..fd694b6a6f8a 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -40,9 +40,8 @@
 #include <linux/device.h>
 #include <scsi/scsi_host.h>
 #include <linux/libata.h>
-#include "libata.h"
+#include "sis.h"
 
-#undef DRV_NAME         /* already defined in libata.h, for libata-core */
 #define DRV_NAME        "sata_sis"
 #define DRV_VERSION     "0.7"
 
diff --git a/drivers/ata/sis.h b/drivers/ata/sis.h
new file mode 100644
index 000000000000..231da8fc2200
--- /dev/null
+++ b/drivers/ata/sis.h
@@ -0,0 +1,5 @@
+
+struct ata_port_info;
+
+/* pata_sis.c */
+extern struct ata_port_info sis_info133;