Subject: Re: [PATCH 2.6.19 2/4] ehca: hcp_phyp.c: correct page mapping in 64k page mode

From: Roland Dreier <[email-masked]>
Date: Tue, 07 Nov 2006 11:25:12 -0800

> -	*mapaddr = (u64)(ioremap(physaddr, EHCA_PAGESIZE));
 > +	*mapaddr = (u64)ioremap((physaddr & PAGE_MASK), PAGE_SIZE) +
 > +		(physaddr & (~PAGE_MASK));

I'm confused -- shouldn't ioremap() do the right thing even if
physaddr isn't page-aligned?  Why is this needed?

 - R.