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PCI: designware-ep: Move the function of getting MSI capability forward 

Move the function of getting MSI capability to the front of init
function, because the init function of the EP platform driver will use
the return value by the function of getting MSI capability.

Link: https://lore.kernel.org/r/20200918080024.13639-4-Zhiqiang.Hou@nxp.com
Signed-off-by: Xiaowei Bao <xiaowei.bao@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
This commit is contained in:
Xiaowei Bao 2020-09-18 16:00:15 +08:00 committed by Lorenzo Pieralisi
parent 2f7f7001d0
commit 6bfc9c3a2c
1 changed files with 4 additions and 4 deletions
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8
drivers/pci/controller/dwc/pcie-designware-ep.c
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@ -582,10 +582,6 @@ int dw_pcie_ep_init_complete(struct dw_pcie_ep *ep)
return -EIO;
}
ep->msi_cap = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI);
ep->msix_cap = dw_pcie_find_capability(pci, PCI_CAP_ID_MSIX);
offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR);
dw_pcie_dbi_ro_wr_en(pci);
@ -677,6 +673,10 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep)
if (ret < 0)
epc->max_functions = 1;
ep->msi_cap = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI);
ep->msix_cap = dw_pcie_find_capability(pci, PCI_CAP_ID_MSIX);
if (ep->ops->ep_init)
ep->ops->ep_init(ep);