[PATCH AUTOSEL 6.14 055/642] PCI: xilinx-cpm: Add cpm_csr register mapping for CPM5_HOST1 variant
Sasha Levin
sashal at kernel.org
Mon May 5 15:04:31 PDT 2025
From: Thippeswamy Havalige <thippeswamy.havalige at amd.com>
[ Upstream commit 9e141923cf86b2e1c83d21b87fb4de3d14a20c99 ]
Update the CPM5 check to include CPM5_HOST1 variant. Previously, only
CPM5 was considered when mapping the "cpm_csr" register.
With this change, CPM5_HOST1 is also supported, ensuring proper
resource mapping for this variant.
Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige at amd.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski at kernel.org>
Link: https://lore.kernel.org/r/20250317124136.1317723-1-thippeswamy.havalige@amd.com
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
drivers/pci/controller/pcie-xilinx-cpm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/controller/pcie-xilinx-cpm.c b/drivers/pci/controller/pcie-xilinx-cpm.c
index dc8ecdbee56c8..163d805673d6d 100644
--- a/drivers/pci/controller/pcie-xilinx-cpm.c
+++ b/drivers/pci/controller/pcie-xilinx-cpm.c
@@ -538,7 +538,8 @@ static int xilinx_cpm_pcie_parse_dt(struct xilinx_cpm_pcie *port,
if (IS_ERR(port->cfg))
return PTR_ERR(port->cfg);
- if (port->variant->version == CPM5) {
+ if (port->variant->version == CPM5 ||
+ port->variant->version == CPM5_HOST1) {
port->reg_base = devm_platform_ioremap_resource_byname(pdev,
"cpm_csr");
if (IS_ERR(port->reg_base))
--
2.39.5
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