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PCI: dwc: Fix dw_pcie_ep_raise_msix_irq() to get correct MSI-X table address

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commit beb4641a78 ("PCI: dwc: Add MSI-X callbacks handler"),
in order to raise MSI-X interrupt, obtained MSIX table address from
Base Address Register (BAR). However BAR only holds PCI address
programmed by the host whereas the MSI-X table should be in the local
memory.

Store the MSI-X table address (virtual address) as part of ->set_bar()
callback and use that to get the message address and message data
here.

Fixes: beb4641a78 ("PCI: dwc: Add MSI-X callbacks handler")
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Kishon Vijay Abraham I
2020-02-25 13:47:02 +05:30
committed by Lorenzo Pieralisi
parent 83153d9f36
commit 6f5e193bfb
4 changed files with 35 additions and 29 deletions
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2
drivers/pci/endpoint/pci-epf-core.c
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@@ -87,6 +87,7 @@ void pci_epf_free_space(struct pci_epf *epf, void *addr, enum pci_barno bar)
epf->bar[bar].phys_addr);
epf->bar[bar].phys_addr = 0;
epf->bar[bar].addr = NULL;
epf->bar[bar].size = 0;
epf->bar[bar].barno = 0;
epf->bar[bar].flags = 0;
@@ -123,6 +124,7 @@ void *pci_epf_alloc_space(struct pci_epf *epf, size_t size, enum pci_barno bar,
}
epf->bar[bar].phys_addr = phys_addr;
epf->bar[bar].addr = space;
epf->bar[bar].size = size;
epf->bar[bar].barno = bar;
epf->bar[bar].flags |= upper_32_bits(size) ?