[PATCH v8 3/5] PCI: qcom: Remove BDF2SID mapping config for SC8280X family SoC

Qiang Yu
2024-11-01T03:09:20Z

The SC8280XP PCIe devicetree nodes do not specify an 'iommu-map' so the
config_sid() callback is effectively a no-op. Hence introduce a new ops
struct, namely ops_1_21_0 which is same as ops_1_9_0 except that it
doesn't have config_sid() callback to clean it up.

Signed-off-by: Qiang Yu <quic_qianyu@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/pci/controller/dwc/pcie-qcom.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index ef44a82be058..52e3d71028d8 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1364,6 +1364,16 @@ static const struct qcom_pcie_ops ops_1_9_0 = {
.config_sid = qcom_pcie_config_sid_1_9_0,
};

+/* Qcom IP rev.: 1.21.0 Synopsys IP rev.: 5.60a */
+static const struct qcom_pcie_ops ops_1_21_0 = {
+ .get_resources = qcom_pcie_get_resources_2_7_0,
+ .init = qcom_pcie_init_2_7_0,
+ .post_init = qcom_pcie_post_init_2_7_0,
+ .host_post_init = qcom_pcie_host_post_init_2_7_0,
+ .deinit = qcom_pcie_deinit_2_7_0,
+ .ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
+};
+
/* Qcom IP rev.: 2.9.0 Synopsys IP rev.: 5.00a */
static const struct qcom_pcie_ops ops_2_9_0 = {
.get_resources = qcom_pcie_get_resources_2_9_0,
@@ -1411,7 +1421,7 @@ static const struct qcom_pcie_cfg cfg_2_9_0 = {
};

static const struct qcom_pcie_cfg cfg_sc8280xp = {
- .ops = &ops_1_9_0,
+ .ops = &ops_1_21_0,
.no_l0s = true,
};

--
2.34.1