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+renesas@xxxxxxxxx>
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