leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ata: pata_octeon_cf: Use correct byte order for DMA in when built little-endian.

Browse Source 
We need to set the 'endian' bit in this case.

Acked-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: David Daney <david.daney@cavium.com>
This commit is contained in:
David Daney 2012-02-03 09:36:57 -08:00 committed by Ralf Baechle
parent 43f01da0f2
commit 1007c4bc0f
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/ata/pata_octeon_cf.c
View File

@ -20,6 +20,7 @@
#include <linux/platform_device.h>
#include <scsi/scsi_host.h>
#include <asm/byteorder.h>
#include <asm/octeon/octeon.h>
/*
@ -589,6 +590,9 @@ static void octeon_cf_dma_start(struct ata_queued_cmd *qc)
/* Set the direction of the DMA */
mio_boot_dma_cfg.u64 = 0;
#ifdef __LITTLE_ENDIAN
mio_boot_dma_cfg.s.endian = 1;
#endif
mio_boot_dma_cfg.s.en = 1;
mio_boot_dma_cfg.s.rw = ((qc->tf.flags & ATA_TFLAG_WRITE) != 0);