From cd3abcfa2d4dc8df09f6d01e735e4dc2f6c87ebc Mon Sep 17 00:00:00 2001 From: Dave Liu Date: Mon, 12 Apr 2010 14:23:35 +0800 Subject: [PATCH] fsl_sata: Move the snoop bit to another place For P1022 SATA host controller, the data snoop bit of DW3 in PRDT is moved to bit28. Signed-off-by: Dave Liu Signed-off-by: Kumar Gala --- drivers/block/fsl_sata.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/block/fsl_sata.h b/drivers/block/fsl_sata.h index 18e88fa4a..576efaf6f 100644 --- a/drivers/block/fsl_sata.h +++ b/drivers/block/fsl_sata.h @@ -243,8 +243,12 @@ typedef struct prd_entry { /* ext_c_ddc */ -#define PRD_ENTRY_EXT 0x80000000 /* extension flag or called indirect descriptor flag */ -#define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Snoop enable for all data associated with the PRD entry */ +#define PRD_ENTRY_EXT 0x80000000 /* extension flag */ +#ifdef CONFIG_FSL_SATA_V2 +#define PRD_ENTRY_DATA_SNOOP 0x10000000 /* Data snoop enable */ +#else +#define PRD_ENTRY_DATA_SNOOP 0x00400000 /* Data snoop enable */ +#endif #define PRD_ENTRY_LEN_MASK 0x003fffff /* Data word count */ #define PRD_ENTRY_MAX_XFER_SZ (PRD_ENTRY_LEN_MASK + 1)