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Jason GunthorpeandGreg Kroah-Hartman
11277d1892
[ Upstream commit723a2cc8d6] The signature for __iowrite64_copy() requires the number of 64 bit quantities, not bytes. Multiple by 8 to get to a byte length before invoking zpci_memcpy_toio() Fixes:87bc359b98("s390/pci: speed up __iowrite64_copy by using pci store block insn") Acked-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Link: https://lore.kernel.org/r/0-v1-9223d11a7662+1d7785-s390_iowrite64_jgg@nvidia.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Sasha Levin <sashal@kernel.org>