Commit 754bb7ad authored by Hector Martin's avatar Hector Martin Committed by Lorenzo Pieralisi
Browse files

PCI: apple: Enable clock gating 

These pokes are not required to make the PCIe port work, but it sounds
like this should save some power at least.

Link: https://lore.kernel.org/r/20211117141916.197192-1-marcan@marcan.st


Tested-by: default avatarMarc Zyngier <maz@kernel.org>
Signed-off-by: default avatarHector Martin <marcan@marcan.st>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarMarc Zyngier <maz@kernel.org>
parent fa55b7dc

drivers/pci/controller/pcie-apple.c

+3 −0
Original line number Diff line number Diff line
@@ -553,6 +553,9 @@ static int apple_pcie_setup_port(struct apple_pcie *pcie, 
		return ret;

	}



	rmw_clear(PORT_REFCLK_CGDIS, port->base + PORT_REFCLK);

	rmw_clear(PORT_APPCLK_CGDIS, port->base + PORT_APPCLK);



	ret = apple_pcie_port_setup_irq(port);

	if (ret)

		return ret;