diff options
| author | David S. Miller <davem@davemloft.net> | 2008-09-08 16:59:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-09-08 16:59:05 -0700 |
| commit | 17dce5dfe38ae2fb359b61e855f5d8a3a8b7892b (patch) | |
| tree | 88bb1fcf84f9ebfa4299c9a8dcd9e6330b358446 /include/linux/libata.h | |
| parent | 712d6954e3998d0de2840d8130941e8042541246 (diff) | |
| parent | 82a28c794f27aac17d7a3ebd7f14d731a11a5532 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
net/mac80211/mlme.c
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 06b80337303b..225bfc5bd9ec 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -163,6 +163,7 @@ enum { ATA_DEV_NONE = 9, /* no device */ /* struct ata_link flags */ + ATA_LFLAG_NO_HRST = (1 << 1), /* avoid hardreset */ ATA_LFLAG_NO_SRST = (1 << 2), /* avoid softreset */ ATA_LFLAG_ASSUME_ATA = (1 << 3), /* assume ATA class */ ATA_LFLAG_ASSUME_SEMB = (1 << 4), /* assume SEMB class */ @@ -646,6 +647,7 @@ struct ata_link { unsigned int flags; /* ATA_LFLAG_xxx */ + u32 saved_scontrol; /* SControl on probe */ unsigned int hw_sata_spd_limit; unsigned int sata_spd_limit; unsigned int sata_spd; /* current SATA PHY speed */ @@ -1427,6 +1429,28 @@ static inline unsigned long ata_deadline(unsigned long from_jiffies, return from_jiffies + msecs_to_jiffies(timeout_msecs); } +/* Don't open code these in drivers as there are traps. Firstly the range may + change in future hardware and specs, secondly 0xFF means 'no DMA' but is + > UDMA_0. Dyma ddreigiau */ + +static inline int ata_using_mwdma(struct ata_device *adev) +{ + if (adev->dma_mode >= XFER_MW_DMA_0 && adev->dma_mode <= XFER_MW_DMA_4) + return 1; + return 0; +} + +static inline int ata_using_udma(struct ata_device *adev) +{ + if (adev->dma_mode >= XFER_UDMA_0 && adev->dma_mode <= XFER_UDMA_7) + return 1; + return 0; +} + +static inline int ata_dma_enabled(struct ata_device *adev) +{ + return (adev->dma_mode == 0xFF ? 0 : 1); +} /************************************************************************** * PMP - drivers/ata/libata-pmp.c |