[PATCH v3 05/10] PCI: qcom: Add ddrss_sf_tbu flag

Dmitry Baryshkov
2021-12-11T02:18:13Z

Qualcomm PCIe driver uses compatible string to check if the ddrss_sf_tbu
clock should be used. Since sc7280 support has added flags, switch to
the new mechanism to check if this clock should be used.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/pci/controller/dwc/pcie-qcom.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 51a0475173fb..2f9a9497733e 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -195,6 +195,7 @@ struct qcom_pcie_ops {
struct qcom_pcie_cfg {
const struct qcom_pcie_ops *ops;
unsigned int pipe_clk_need_muxing:1;
+ unsigned int has_ddrss_sf_tbu_clk:1;
};

struct qcom_pcie {
@@ -1164,7 +1165,7 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
res->clks[3].id = "bus_slave";
res->clks[4].id = "slave_q2a";
res->clks[5].id = "tbu";
- if (of_device_is_compatible(dev->of_node, "qcom,pcie-sm8250")) {
+ if (pcie->cfg->has_ddrss_sf_tbu_clk) {
res->clks[6].id = "ddrss_sf_tbu";
res->num_clks = 7;
} else {
@@ -1512,6 +1513,7 @@ static const struct qcom_pcie_cfg sdm845_cfg = {

static const struct qcom_pcie_cfg sm8250_cfg = {
.ops = &ops_1_9_0,
+ .has_ddrss_sf_tbu_clk = true,
};

static const struct qcom_pcie_cfg sc7280_cfg = {