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dmaengine: idxd: fix opcap sysfs attribute output
[ Upstream commit ea6a573 ] The operation capability register is 256bits. The current output only prints out the first 64bits. Fix to output the entire 256bits. The current code omits operation caps from IAX devices. Fixes: c52ca47 ("dmaengine: idxd: add configuration component of driver") Reported-by: Lucas Van <lucas.van@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/161645624963.2003736.829798666998490151.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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