Commit c577ce28 authored by Richard Zhu's avatar Richard Zhu Committed by Manivannan Sadhasivam
Browse files

PCI: dwc: Invoke post_init in dw_pcie_resume_noirq() 



In some SoCs like i.MX95, CLKREQ# is pulled low by the controller driver
before link up. After link up, if the 'supports-clkreq' property is
specified in DT, the driver will release CLKREQ# so that it can go high and
the endpoint can pull it low whenever required i.e., during exit from L1
Substates.

Hence, at the end of dw_pcie_resume_noirq(), invoke the '.post_init()'
callback if exists to perform the above mentioned action.

Signed-off-by: default avatarRichard Zhu <hongxing.zhu@nxp.com>
[mani: reworded description]
Signed-off-by: default avatarManivannan Sadhasivam <mani@kernel.org>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20251015030428.2980427-9-hongxing.zhu@nxp.com
parent d8574ce5

drivers/pci/controller/dwc/pcie-designware-host.c

+3 −0
Original line number Diff line number Diff line
@@ -1231,6 +1231,9 @@ int dw_pcie_resume_noirq(struct dw_pcie *pci) 
	if (ret)

		return ret;



	if (pci->pp.ops->post_init)

		pci->pp.ops->post_init(&pci->pp);



	return ret;

}

EXPORT_SYMBOL_GPL(dw_pcie_resume_noirq);