-stable review patch. If anyone has any objections, please let us know.
------------------
From: Benjamin Herrenschmidt <[email protected]>
patch 1b678347121001c3c230c6eccfdf9f65c3ec1a4e in mainline.
This adds a helper to get to the "other" drive on a pair connected
to a given hwif.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Cc: Andrew Morton <[email protected]>
Acked-by: Sergei Shtylyov <[email protected]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
include/linux/ide.h | 7 +++++++
1 file changed, 7 insertions(+)
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1437,4 +1437,11 @@ static inline int hwif_to_node(ide_hwif_
return dev ? pcibus_to_node(dev->bus) : -1;
}
+static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive)
+{
+ ide_hwif_t *hwif = HWIF(drive);
+
+ return &hwif->drives[(drive->dn ^ 1) & 1];
+}
+
#endif /* _IDE_H */
--
-
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