diff options
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index c494e1c0531e..3671af869696 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h | |||
| @@ -181,6 +181,9 @@ enum { | |||
| 181 | XFER_PIO_0 = 0x08, | 181 | XFER_PIO_0 = 0x08, |
| 182 | XFER_PIO_SLOW = 0x00, | 182 | XFER_PIO_SLOW = 0x00, |
| 183 | 183 | ||
| 184 | SETFEATURES_WC_ON = 0x02, /* Enable write cache */ | ||
| 185 | SETFEATURES_WC_OFF = 0x82, /* Disable write cache */ | ||
| 186 | |||
| 184 | /* ATAPI stuff */ | 187 | /* ATAPI stuff */ |
| 185 | ATAPI_PKT_DMA = (1 << 0), | 188 | ATAPI_PKT_DMA = (1 << 0), |
| 186 | ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: | 189 | ATAPI_DMADIR = (1 << 2), /* ATAPI data dir: |