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The function ia64_pci_legacy_write() returns 0 for everything except errors. This return value gets sent back to the user from pci_write_legacy_io(), making it look like every write fails. The trivial patch below copies the behavior of the SGI sn machvec and does what would be expected from something implementing a write() function. Signed-off-by: Alex Williamson <alex.williamson@hp.com> Signed-off-by: Tony Luck <tony.luck@intel.com> |
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| pci.c | ||