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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-26 22:25:24 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-26 22:25:24 +0200
commit1fd1890594bd355a4217f5658a34763e77decee3 (patch)
treeee8bd668648a9d3db01a7c99d73eee7453efe98b /include/linux
parent6c61064162e6a9965a062b445c6bd6c8ed019183 (diff)
ide: add IDE_HFLAG_SERIALIZE_DMA host flag
* Add IDE_HFLAG_SERIALIZE_DMA host flag to serialize ports if DMA is available and handle it in ide_init_port(). * Convert sl82c105 host driver to use this new flag. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/ide.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 2da46af64604..e5f41741ba91 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1087,6 +1087,8 @@ enum {
/* unmask IRQs */
IDE_HFLAG_UNMASK_IRQS = (1 << 25),
IDE_HFLAG_ABUSE_SET_DMA_MODE = (1 << 26),
+ /* serialize ports if DMA is possible (for sl82c105) */
+ IDE_HFLAG_SERIALIZE_DMA = (1 << 27),
/* force host out of "simplex" mode */
IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28),
/* DSC overlap is unsupported */