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-rw-r--r--include/linux/ata.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index f4dc8dfeadc..edb31bfff68 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -202,6 +202,8 @@ enum {
SETFEATURES_WC_ON = 0x02, /* Enable write cache */
SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
+ SETFEATURES_SPINUP = 0x07, /* Spin-up drive */
+
/* ATAPI stuff */
ATAPI_PKT_DMA = (1 << 0),
ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: