On Mon, Dec 16, 2024 at 10:34:04PM +0900, Damien Le Moal wrote:
> 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>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
- Mani
> ---
> 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
>
--
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