GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-20 05:31:15 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

[PATCH] libata: add per-dev pio/mwdma/udma_mask

Browse source 
Add per-dev pio/mwdma/udma_mask.  All transfer mode limits used to be
applied to ap->*_mask which unnecessarily restricted other devices
sharing the port.  This change will also benefit later EH speed down
and hotplug.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2006-03-24 14:07:50 +09:00 • committed by Jeff Garzik
parent c0489e4efc
commit acf356b12d
2 changed files with 30 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/linux/libata.h
View file

@ -358,6 +358,11 @@ struct ata_device {
unsigned int max_sectors; /* per-device max sectors */
unsigned int cdb_len;
/* per-dev xfer mask */
unsigned int pio_mask;
unsigned int mwdma_mask;
unsigned int udma_mask;
/* for CHS addressing */
u16 cylinders; /* Number of cylinders */
u16 heads; /* Number of heads */