libata: remove ATA_PROT_FLAG_DATA

Instead we can simply check for PIO or DMA in ata_is_data.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 283b6be..5838fbf 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -149,7 +149,6 @@ enum {
        /* protocol flags */
        ATA_PROT_FLAG_PIO       = (1 << 0), /* is PIO */
        ATA_PROT_FLAG_DMA       = (1 << 1), /* is DMA */
-       ATA_PROT_FLAG_DATA      = ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA,
        ATA_PROT_FLAG_NCQ       = (1 << 2), /* is NCQ */
        ATA_PROT_FLAG_ATAPI     = (1 << 3), /* is ATAPI */
 
@@ -1087,7 +1086,7 @@ static inline bool ata_is_ncq(u8 prot)
 
 static inline bool ata_is_data(u8 prot)
 {
-       return ata_prot_flags(prot) & ATA_PROT_FLAG_DATA;
+       return ata_prot_flags(prot) & (ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA);
 }
 
 static inline int is_multi_taskfile(struct ata_taskfile *tf)