On 10/31/2016 06:45 PM, Geert Uytterhoeven wrote:

If the system runs out of SW-IOMMU space, changes are high successive

   s/changes/chances/?

requests will fail, too, flooding the kernel log.  This is true
especially for streaming DMA, which is typically used repeatedly outside
the driver's initialization routine.  Add rate-limiting to fix this.

While at it, get rid of the open-coded dev_name() handling by using the
appropriate dev_err_*() variant.

Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
[...]

MBR, Sergei

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