Add debug error message when MSI-X entry control mask bit is set, to help
debug the reason why a MSI-X interrupt is not being triggered.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Joao Pinto <joao.pinto@synopsys.com>
iounmap(msix_tbl);
- if (vec_ctrl & PCI_MSIX_ENTRY_CTRL_MASKBIT)
+ if (vec_ctrl & PCI_MSIX_ENTRY_CTRL_MASKBIT) {
+ dev_dbg(pci->dev, "MSI-X entry ctrl set\n");
return -EPERM;
+ }
ret = dw_pcie_ep_map_addr(epc, func_no, ep->msi_mem_phys, msg_addr,
epc->mem->page_size);