[PATCH v2 03/10] PCI: designware-ep: Move the function of getting MSI capability forward
From: Xiaowei Bao <hidden>
Date: 2019-08-22 11:33:04
Also in:
linux-arm-kernel, linux-pci, linuxppc-dev, lkml
Subsystem:
pci driver for synopsys designware, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Jingoo Han, Manivannan Sadhasivam, Lorenzo Pieralisi, Krzysztof Wilczyński, Bjorn Helgaas, Linus Torvalds
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. Signed-off-by: Xiaowei Bao <redacted> --- v2: - No change. drivers/pci/controller/dwc/pcie-designware-ep.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-ep.c b/drivers/pci/controller/dwc/pcie-designware-ep.c
index b8388f8..0a6c199 100644
--- a/drivers/pci/controller/dwc/pcie-designware-ep.c
+++ b/drivers/pci/controller/dwc/pcie-designware-ep.c@@ -656,6 +656,10 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) if (ret < 0) epc->max_functions = 1; + ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); + + ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); + if (ep->ops->ep_init) ep->ops->ep_init(ep);
@@ -672,9 +676,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) dev_err(dev, "Failed to reserve memory for MSI/MSI-X\n"); return -ENOMEM; } - ep->msi_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSI); - - ep->msix_cap = dw_pcie_ep_find_capability(pci, PCI_CAP_ID_MSIX); offset = dw_pcie_ep_find_ext_capability(pci, PCI_EXT_CAP_ID_REBAR); if (offset) {
--
2.9.5