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PCI: tegra194: Fix MSI-X programming

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[ Upstream commit 43537cf7e3 ]

Lower order MSI-X address is programmed in MSIX_ADDR_MATCH_HIGH_OFF
DBI register instead of higher order address. This patch fixes this
programming mistake.

Link: https://lore.kernel.org/r/20210623100525.19944-3-omp@nvidia.com
Signed-off-by: Om Prakash Singh <omp@nvidia.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Vidya Sagar <vidyas@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Om Prakash Singh
2021-06-23 15:35:22 +05:30
committed by Greg Kroah-Hartman
parent 13f366bab0
commit d5c5d1b141
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/controller/dwc/pcie-tegra194.c
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@@ -1778,7 +1778,7 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie)
val = (ep->msi_mem_phys & MSIX_ADDR_MATCH_LOW_OFF_MASK);
val |= MSIX_ADDR_MATCH_LOW_OFF_EN;
dw_pcie_writel_dbi(pci, MSIX_ADDR_MATCH_LOW_OFF, val);
val = (lower_32_bits(ep->msi_mem_phys) & MSIX_ADDR_MATCH_HIGH_OFF_MASK);
val = (upper_32_bits(ep->msi_mem_phys) & MSIX_ADDR_MATCH_HIGH_OFF_MASK);
dw_pcie_writel_dbi(pci, MSIX_ADDR_MATCH_HIGH_OFF, val);
ret = dw_pcie_ep_init_complete(ep);