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Properly align the end of a candidate back region based on the window's

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granularity when growing a PCI-PCI window up.

Tested by:	dougb
MFC after:	3 days
This commit is contained in:
John Baldwin 2011-07-12 13:28:39 +00:00
parent 5f8a9ae4a9
commit a27d4bdc9f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=223952
1 changed files with 1 additions and 1 deletions
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2
sys/dev/pci/pci_pci.c
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@ -954,7 +954,7 @@ pcib_grow_window(struct pcib_softc *sc, struct pcib_window *w, int type,
if (bootverbose)
printf("\tback candidate range: %#lx-%#lx\n",
start_free, back);
back = roundup2(back + 1, w->step) - 1;
back = roundup2(back + 1, 1ul << w->step) - 1;
back -= rman_get_end(w->res);
} else
back = 0;