Re: [PATCH 15/20] ASoC: fsl: make fsl_ssi driver compilable on ARM/IMX

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

Russell King - ARM Linux wrote:
> Is the SCR shared between capture and playback?  In that case, what
> makes this read-modify-write thread safe?

What's "SCR"?

It's not thread-safe on PPC, but then neither is the entire function.  You 
can't have two threads attempt to initialize the hardware at the same 
time.  The macro does not attempt to be atomic, just convenient.

-- 
Timur Tabi
Linux kernel developer at Freescale

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


[Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [eCos]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [PDAs]     [Linux]     [Linux MIPS]     [Yosemite Campsites]     [Photos]

Add to Google Follow linuxarm on Twitter