ide: unify conversion macros

Introduce to_ide_drv() and ide_drv_g() macros and replace the respective
definitions of similar ones in each driver.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 85cb96c1fd61..350ef47ed616 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -570,7 +570,13 @@ struct ide_drive_s {
 
 typedef struct ide_drive_s ide_drive_t;
 
-#define to_ide_device(dev)container_of(dev, ide_drive_t, gendev)
+#define to_ide_device(dev)              container_of(dev, ide_drive_t, gendev)
+
+#define to_ide_drv(obj, cont_type)      \
+        container_of(obj, struct cont_type, kref)
+
+#define ide_drv_g(disk, cont_type)      \
+        container_of((disk)->private_data, struct cont_type, driver)
 
 struct ide_task_s;
 struct ide_port_info;