iommu/amd: Factor out setting the remap table for a devid
Setting the IRQ remap table for a specific devid (or its alias devid) includes three steps. Those three steps are always repeated each time this is done. Introduce a new helper function, move those steps there and use that function instead. The compiler can still decide if it is worth to inline. Signed-off-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: NJoerg Roedel <jroedel@suse.de>
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