[patch 29/40] ide: Add ide_get_paired_drive() helper

-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.

[patch 29/40] ide: Add ide_get_paired_drive() helper

-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.