Merge branch 'for-2.6.28' of git://git.kernel.dk/linux-2.6-block

[linux-2.6-omap-h63xx.git] / include / linux / ata.h

diff --git a/include/linux/ata.h b/include/linux/ata.h
index c1c8b4a4ba26d02ba72dea781cae492a8d4a436d..be00973d1a8cd0e01f8b0506fded02472ea80af7 100644 (file)
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -668,6 +668,15 @@ static inline int ata_id_has_dword_io(const u16 *id)
        return 0;
 }
 
+static inline int ata_id_has_unload(const u16 *id)
+{
+       if (ata_id_major_version(id) >= 7 &&
+           (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&
+           id[ATA_ID_CFSSE] & (1 << 13))
+               return 1;
+       return 0;
+}
+
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
        /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command