[PATCH 2/2] ata: pata_octeon_cf: Use correct byte order for DMA in when built little-endian.
From: David Daney <hidden>
Date: 2012-08-17 23:56:03
Also in:
linux-mips, lkml
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
From: David Daney <redacted> We need to set the 'endian' bit in this case. Signed-off-by: David Daney <redacted> --- drivers/ata/pata_octeon_cf.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 652d035..4e1194b 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c@@ -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);
--
1.7.11.2