Merge tag 'regmap-fix-v7.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fix from Mark Brown:
 "One fix for a real issue that fortunately doesn't affect any in tree
  configurations"

* tag 'regmap-fix-v7.4-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: irq: fix incorrect index calculation for read_sub_irq_data()