lkml.org 
[lkml]   [2015]   [Oct]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift
From
Date
On Tue, 2015-10-27 at 18:54 -0700, Nishanth Aravamudan wrote:
>
> In "bypass" mode, what TCE size is used? Is it guaranteed to be 4K?

None :-) The TCEs are completely bypassed. You get a N:M linear mapping
of all memory starting at 1<<59 PCI side.

> Seems like this would be a different platform implentation I'd put in
> for 'powernv', is that right?
>
> My apologies for missing that, and thank you for the review!

Cheers,
Ben.



\
 
 \ /
  Last update: 2015-10-28 03:41    [W:0.083 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site