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-rw-r--r--include/linux/libata.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 9aa6c10f7bb1..41978a557318 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -216,6 +216,8 @@ enum {
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */
ATA_HOST_STARTED = (1 << 1), /* Host started */
+ /* bits 24:31 of host->flags are reserved for LLD specific flags */
+
/* various lengths of time */
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */