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9064610348
Any non-posted read should flush the previous write, so we don't necessarily need to read back the value we just wrote. I've found at least some controllers that respond with 0 for short moments after writing the CC register with EN (enable) cleared, so the read-back is overwriting our valid ctrl_config value and ends up breaking on the subsequent enabling. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org> |
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