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H A Drk_pcie.cdiff b8bfffc1b619cca5262f848b665bd56c4de0052b Sat Sep 19 13:27:16 CEST 2020 Michal Meloun <mmel@FreeBSD.org> Implement workaround for broken access to configuration space.
Due to a HW bug in the RockChip PCIe implementation, attempting to access
a non-existent register in the configuration space will throw an exception.
Use new bus functions bus_peek() and bus_poke() to overcomme this limitation.