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[PATCH] ioc4: PCI bus speed detection

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Several hardware features of SGI's IOC4 I/O controller chip require
timing-related driver calculations dependent upon the PCI bus speed.  This
patch enables the core IOC4 driver code to detect the actual bus speed and
store a value that can later be used by the IOC4 subdrivers as needed.

Signed-off-by: Brent Casavant <bcasavan@sgi.com>
Acked-by: Pat Gefre <pfg@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Brent Casavant
2005-06-21 17:16:01 -07:00
committed by Linus Torvalds
parent e5d310b349
commit d4c477ca54
4 changed files with 177 additions and 21 deletions
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drivers/sn/Kconfig
+1 -1
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@@ -6,7 +6,7 @@ menu "SN Devices"
config SGI_IOC4
tristate "SGI IOC4 Base IO support"
depends on IA64_GENERIC || IA64_SGI_SN2
depends on (IA64_GENERIC || IA64_SGI_SN2) && MMTIMER
default m
---help---
This option enables basic support for the SGI IOC4-based Base IO