On 4/9/24 21:08, Alexandru Gagniuc wrote:
Add support for the PCIe on IPQ9574. The main difference from ipq6018
is that the "iface" clock is not necessarry. Add a special case in
qcom_pcie_get_resources_2_9_0() to handle this.
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@xxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
---
drivers/pci/controller/dwc/pcie-qcom.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 14772edcf0d3..10560d6d6336 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1101,15 +1101,19 @@ static int qcom_pcie_get_resources_2_9_0(struct qcom_pcie *pcie)
struct qcom_pcie_resources_2_9_0 *res = &pcie->res.v2_9_0;
struct dw_pcie *pci = pcie->pci;
struct device *dev = pci->dev;
- int ret;
+ int ret, num_clks = ARRAY_SIZE(res->clks) - 1;
- res->clks[0].id = "iface";
+ res->clks[0].id = "rchng";
res->clks[1].id = "axi_m";
res->clks[2].id = "axi_s";
res->clks[3].id = "axi_bridge";
- res->clks[4].id = "rchng";
- ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
+ if (!of_device_is_compatible(dev->of_node, "qcom,pcie-ipq9574")) {
+ res->clks[4].id = "iface";
+ num_clks++;
Or use devm_clk_bulk_get_optional and rely on the bindings to sanity-check.
Mani, thoughts?
Konrad
