Messages in this thread Patch in this message | | | From | Hector Martin <> | Subject | [PATCH] PCI: apple: Enable clock gating | Date | Wed, 17 Nov 2021 23:19:16 +0900 |
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These pokes are not required to make the PCIe port work, but it sounds like this should save some power at least.
Signed-off-by: Hector Martin <marcan@marcan.st> --- drivers/pci/controller/pcie-apple.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/pci/controller/pcie-apple.c b/drivers/pci/controller/pcie-apple.c index 420c291a5c68..03bfe977c579 100644 --- a/drivers/pci/controller/pcie-apple.c +++ b/drivers/pci/controller/pcie-apple.c @@ -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; -- 2.33.0
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