lkml.org 
[lkml]   [2015]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v3] SATA: OCTEON: support SATA on OCTEON platform
Date
On Thursday 05 March 2015 17:58:58 Aleksey Makarov wrote:
> + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64));
> + if (ret)
> + return ret;
>

Don't do this, instead you should set the dma-ranges of the parent
bus correctly so that dma_set_mask_and_coherent succeeds.

dma_coerce_mask_and_coherent() was introduced as a hack to
annotate broken drivers that were overriding the dma_mask pointer
themselves.

Arnd


\
 
 \ /
  Last update: 2015-03-09 00:01    [W:0.141 / U:0.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site