Re: [PATCH 01/51] DMA-API: provide a helper to set both DMA and coherent DMA masks

2013-09-20 Thread Russell King - ARM Linux
On Fri, Sep 20, 2013 at 02:21:37AM +0100, Ben Hutchings wrote: > On Thu, 2013-09-19 at 22:25 +0100, Russell King wrote: > [...] > > -dma_set_coherent_mask() will always be able to set the same or a > > -smaller mask as dma_set_mask(). However for the rare case that a > > +The coherent coherent mask

Re: [PATCH 01/51] DMA-API: provide a helper to set both DMA and coherent DMA masks

2013-09-19 Thread Ben Hutchings
On Thu, 2013-09-19 at 22:25 +0100, Russell King wrote: > Provide a helper to set both the DMA and coherent DMA masks to the > same value - this avoids duplicated code in a number of drivers, > sometimes with buggy error handling, and also allows us identify > which drivers do things differently. >

[PATCH 01/51] DMA-API: provide a helper to set both DMA and coherent DMA masks

2013-09-19 Thread Russell King
Provide a helper to set both the DMA and coherent DMA masks to the same value - this avoids duplicated code in a number of drivers, sometimes with buggy error handling, and also allows us identify which drivers do things differently. Signed-off-by: Russell King --- Documentation/DMA-API-HOWTO.tx