[PATCH 09/14] ata: Use 32bit DMA in AHCI for Loongson 3.
From: Huacai Chen <hidden>
Date: 2012-06-15 08:15:01
Subsystem:
libata subsystem (serial and parallel ata drivers), the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Linus Torvalds
Signed-off-by: Huacai Chen <redacted> Signed-off-by: Hongliang Tao <redacted> Signed-off-by: Hua Yan <redacted> --- drivers/ata/ahci.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ebaf67e..3e3cfd8 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c@@ -183,7 +183,12 @@ static const struct ata_port_info ahci_port_info[] = { }, [board_ahci_sb700] = /* for SB700 and SB800 */ { +#ifndef CONFIG_CPU_LOONGSON3 AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL), +#else + AHCI_HFLAGS (AHCI_HFLAG_IGN_SERR_INTERNAL | + AHCI_HFLAG_32BIT_ONLY), +#endif .flags = AHCI_FLAG_COMMON, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6,
--
1.7.7.3