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Leonard Crestez
9e56f0df36
Enable PCI suspend/resume support on imx6sx SOCs. This is similar to imx7d with a few differences: * The PM_Turn_Off bit is exposed through an IOMUX GPR, like all other pcie control bits on 6sx. * The pcie_inbound_axi clk needs to be turned off in suspend. On resume it is restored via resume -> deassert_core_reset -> enable_ref_clk. Most of the resume logic is shared with the initial reset after probe. Signed-off-by: Leonard Crestez <[email protected]> Signed-off-by: Lorenzo Pieralisi <[email protected]> Reviewed-by: Andrey Smirnov <[email protected]> Acked-by: Lucas Stach <[email protected]>