lkml.org 
[lkml]   [2017]   [Sep]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH V6 1/3] dma-mapping: Introduce device_is_coherent() as ahelper
On Fri, Sep 22, 2017 at 02:44:51PM +0100, Robin Murphy wrote:
> Not quite - I mean instead of adding an ops->device_is_coherent callback
> (which cannot really have a safe fallback value either way) and trying
> to enforce that dma_get_cache_alignment() should be the only valid
> caller, just add an ops->get_cache_alignment callback directly.

Exactly - and then fall back to ARCH_DMA_MINALIGN/1 if the ops vector
is not provided, to keep the existing behavior.

\
 
 \ /
  Last update: 2017-09-22 15:50    [W:0.035 / U:1.576 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site