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From: David G. <dav...@po...> - 2026-06-04 22:51:46
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On 6/4/26 2:41 PM, dave penkler wrote: > iowrite8 calls writeb <https://elixir.bootlin.com/linux/v7.0.10/source/ > include/asm-generic/io.h#L260> which has a barrier before the > __raw_writeb same for ioread8 > This driver has been working fine without the mb()'s > Sorry to take up your time on my distraction ;) |