Hi! On Thu, Nov 19, 2020 at 02:44:51PM +0800, fuyao@xxxxxxxxxxxxxxxxx wrote: > From: fuyao <fuyao@xxxxxxxxxxxxxxxxx> > > this series add hwspinlock of sunxi. it provides hardware assistance for > synchronization between the multiple processors in the system. > (Or1k, Cortex-A7, Cortex-A53, Xtensa) Xtensa? Which SoC has an Xtensa core? Unfortunately, there's been a submission of the same driver earlier this week: https://lore.kernel.org/lkml/cover.1605693132.git.wilken.gottwalt@xxxxxxxxxx/ It would be great if you could point out whatever issue there is with that patch series (it looks like the retry delay could be useful for example). Thanks! Maxime
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