Re: IO access and *_relaxed macros

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 03/25/11 03:08, Catalin Marinas wrote:
> Are there other scenarios (in relation with coherent DMA buffers) where
> we need a DSB after writel() or before readl()?

I'm not sure about use with DMA buffers - I've just been looking at
these macros with respect to (non-DMA related) device accesses, since
they're heavily used for this purpose as well.

thanks,
Steve

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux