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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-23 21:40:32 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-23 21:40:32 -0800
commit4fa2b1cde0e3797549f711ce9e51c395b3d6d2a7 (patch)
tree312e07715c088d4ed1e79b9b18b1d52e3b585ca9 /include/linux
parentbdc08942897f6be33d00bb659761516f4652836d (diff)
parent4cdfa1b3ce4731dd538ac3ed010bcf127ed6e836 (diff)
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata-core: fix kernel-doc warning sata_fsl: fix build with ATA_VERBOSE_DEBUG [libata] ahci: AMD SB700/SB800 SATA support 64bit DMA libata-pmp: clear hob for pmp register accesses libata: automatically use DMADIR if drive/bridge requires it power_state: get rid of write-only variable in SATA pata_atiixp: Use 255 sector limit
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/ata.h5
-rw-r--r--include/linux/libata.h1
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 78bbacaed8c..1c622e2b050 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -659,6 +659,11 @@ static inline int atapi_command_packet_set(const u16 *dev_id)
return (dev_id[0] >> 8) & 0x1f;
}
+static inline int atapi_id_dmadir(const u16 *dev_id)
+{
+ return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000);
+}
+
static inline int is_multi_taskfile(struct ata_taskfile *tf)
{
return (tf->command == ATA_CMD_READ_MULTI) ||
diff --git a/include/linux/libata.h b/include/linux/libata.h
index ce7603a7315..a05f6001364 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -138,6 +138,7 @@ enum {
ATA_DFLAG_AN = (1 << 7), /* AN configured */
ATA_DFLAG_HIPM = (1 << 8), /* device supports HIPM */
ATA_DFLAG_DIPM = (1 << 9), /* device supports DIPM */
+ ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */
ATA_DFLAG_CFG_MASK = (1 << 12) - 1,
ATA_DFLAG_PIO = (1 << 12), /* device limited to PIO mode */