When compiling the rockchip endpoint driver with -W=1, gcc output the following warnings: drivers/pci/controller/pcie-rockchip-ep.c:59: warning: Function parameter or struct member 'perst_irq' not described in 'rockchip_pcie_ep' drivers/pci/controller/pcie-rockchip-ep.c:59: warning: Function parameter or struct member 'perst_asserted' not described in 'rockchip_pcie_ep' drivers/pci/controller/pcie-rockchip-ep.c:59: warning: Function parameter or struct member 'link_up' not described in 'rockchip_pcie_ep' drivers/pci/controller/pcie-rockchip-ep.c:59: warning: Function parameter or struct member 'link_training' not described in 'rockchip_pcie_ep' Avoid these warnings by adding the missing field descriptions in struct rockchip_pcie_ep kdoc comment. Reported-by: Bjorn Helgaas <helgaas@xxxxxxxxxx> Fixes: a7137cbf6bd5 ("PCI: rockchip-ep: Handle PERST# signal in EP mode") Fixes: bd6e61df4b2e ("PCI: rockchip-ep: Improve link training") Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx> --- Changes from v1: - Addressed Manivannan's comments drivers/pci/controller/pcie-rockchip-ep.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index 1064b7b06cef..4f978a17fdbb 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -40,6 +40,10 @@ * @irq_pci_fn: the latest PCI function that has updated the mapping of * the MSI/INTX IRQ dedicated outbound region. * @irq_pending: bitmask of asserted INTX IRQs. + * @perst_irq: IRQ used for the PERST# signal. + * @perst_asserted: True if the PERST# signal was asserted. + * @link_up: True if the PCI link is up. + * @link_training: Work item to execute PCI link training. */ struct rockchip_pcie_ep { struct rockchip_pcie rockchip; -- 2.47.1