[PATCH v2] dma: imx-sdma: clarify firmare not found warning

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Jan 21 06:57:06 EST 2014


On Tue, Jan 21, 2014 at 12:52:00PM +0100, Lothar Waßmann wrote:
> Hi,
> 
> Russell King - ARM Linux wrote:
> > On Tue, Jan 21, 2014 at 07:59:22AM +0100, Lothar Waßmann wrote:
> > > The file is automatically removed after the timeout has expired (or
> > > the frimware has been loaded).
> > > Thus you must check for it within the timeout period during boot.
> > 
> > ... which is impossible if imx-sdma is built into the kernel - it
> > expires while the initramfs has only just started running, giving a
> > very narrow window for userspace to load firmware.
> > 
> It works for me, but I'm not using initramfs.

You can take my email as a report of "it doesn't work for everyone."  The
*only* way I can get firmware to load is to build imx-sdma as a module.
Building it in is a hopeless case here.

-- 
FTTC broadband for 0.8mile line: 5.8Mbps down 500kbps up.  Estimation
in database were 13.1 to 19Mbit for a good line, about 7.5+ for a bad.
Estimate before purchase was "up to 13.2Mbit".



More information about the linux-arm-kernel mailing list