lkml.org 
[lkml]   [2003]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [patch 2.5] 2-pass PCI probing, generic part
>>>>> On Thu, 9 Jan 2003 20:46:26 +0300, Ivan Kokshaysky <ink@jurassic.park.msu.ru> said:

Ivan> As discussed, this patch splits PCI probing into 2 phases.
Ivan> 1. Do the full bus enumeration, collect identification info for
Ivan> all devices, call early fixup routines. At this stage we
Ivan> can solve two kinds of problems:
Ivan> - turn off devices generating PCI traffic, so we'll be
Ivan> safe in the phase 2 (USB DMA case);
Ivan> - allow alternative probing methods for devices that
Ivan> cannot be safely probed by generic code (powermac I/O ASIC).
Ivan> 2. Sizing the BARs. Now it's possible to disable the device
Ivan> being probed, which should fix ia64 case. Note that we
Ivan> don't need to keep the device disabled when sizing ROM
Ivan> base register, as we probe with ROM-enable bit cleared.

Sounds good (haven't tested the code yet, but it looks fine to me).

--david
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:32    [W:0.439 / U:0.304 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site