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[PATCH] Snoop SET FEATURES - WRITE CACHE ENABLE/DISABLE command(v5)
[powerpc.git]
/
include
/
linux
/
ata.h
diff --git
a/include/linux/ata.h
b/include/linux/ata.h
index
c494e1c
..
3671af8
100644
(file)
--- a/
include/linux/ata.h
+++ b/
include/linux/ata.h
@@
-181,6
+181,9
@@
enum {
XFER_PIO_0 = 0x08,
XFER_PIO_SLOW = 0x00,
+ SETFEATURES_WC_ON = 0x02, /* Enable write cache */
+ SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
+
/* ATAPI stuff */
ATAPI_PKT_DMA = (1 << 0),
ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: