[SeaBIOS] [PATCH 1/4] ahci: set dma feature flag

Gerd Hoffmann kraxel at redhat.com
Wed Dec 8 11:24:11 CET 2010


Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 src/ahci.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/src/ahci.c b/src/ahci.c
index ee404d4..ed37b38 100644
--- a/src/ahci.c
+++ b/src/ahci.c
@@ -50,6 +50,7 @@ static void sata_prep_readwrite(struct sata_cmd_fis *fis,
         command = (iswrite ? ATA_CMD_WRITE_DMA
                    : ATA_CMD_READ_DMA);
     }
+    SET_FLATPTR(fis->feature,      1); /* dma */
     SET_FLATPTR(fis->command,      command);
     SET_FLATPTR(fis->sector_count, op->count);
     SET_FLATPTR(fis->lba_low,      lba);
@@ -62,6 +63,7 @@ static void sata_prep_atapi(struct sata_cmd_fis *fis, u16 blocksize)
 {
     memset_fl(fis, 0, sizeof(*fis));
     SET_FLATPTR(fis->command,  ATA_CMD_PACKET);
+    SET_FLATPTR(fis->feature,  1); /* dma */
     SET_FLATPTR(fis->lba_mid,  blocksize);
     SET_FLATPTR(fis->lba_high, blocksize >> 8);
 }
-- 
1.7.1




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