@@ -164,9 +164,6 @@ struct qcom_pcie_resources_2_7_0 {
int num_clks;
struct regulator_bulk_data supplies[2];
struct reset_control *pci_reset;
- struct clk *pipe_clk_src;
- struct clk *phy_pipe_clk;
- struct clk *ref_clk_src;
};
union qcom_pcie_resources {
@@ -192,7 +189,6 @@ struct qcom_pcie_ops {
struct qcom_pcie_cfg {
const struct qcom_pcie_ops *ops;
- unsigned int pipe_clk_need_muxing:1;
};
struct qcom_pcie {
@@ -203,7 +199,6 @@ struct qcom_pcie {
struct phy *phy;
struct gpio_desc *reset;
const struct qcom_pcie_ops *ops;
- unsigned int pipe_clk_need_muxing:1;
};
#define to_qcom_pcie(x) dev_get_drvdata((x)->dev)
@@ -1147,20 +1142,6 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
if (ret < 0)
return ret;
- if (pcie->pipe_clk_need_muxing) {
- res->pipe_clk_src = devm_clk_get(dev, "pipe_mux");
- if (IS_ERR(res->pipe_clk_src))
- return PTR_ERR(res->pipe_clk_src);
-
- res->phy_pipe_clk = devm_clk_get(dev, "phy_pipe");
- if (IS_ERR(res->phy_pipe_clk))
- return PTR_ERR(res->phy_pipe_clk);
-
- res->ref_clk_src = devm_clk_get(dev, "ref");
- if (IS_ERR(res->ref_clk_src))
- return PTR_ERR(res->ref_clk_src);
- }
-
return 0;
}
@@ -1178,10 +1159,6 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)
return ret;
}
- /* Set TCXO as clock source for pcie_pipe_clk_src */
- if (pcie->pipe_clk_need_muxing)
- clk_set_parent(res->pipe_clk_src, res->ref_clk_src);
-
ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
if (ret < 0)
goto err_disable_regulators;
@@ -1243,17 +1220,6 @@ static void qcom_pcie_deinit_2_7_0(struct qcom_pcie *pcie)
regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
}
-static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie)
-{
- struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
-
- /* Set pipe clock as clock source for pcie_pipe_clk_src */
- if (pcie->pipe_clk_need_muxing)
- clk_set_parent(res->pipe_clk_src, res->phy_pipe_clk);
-
- return 0;
-}
-
static int qcom_pcie_link_up(struct dw_pcie *pci)
{
u16 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_EXP);
@@ -1427,7 +1393,6 @@ static const struct qcom_pcie_ops ops_2_7_0 = {
.init = qcom_pcie_init_2_7_0,
.deinit = qcom_pcie_deinit_2_7_0,
.ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
- .post_init = qcom_pcie_post_init_2_7_0,
};
/* Qcom IP rev.: 1.9.0 */
@@ -1436,7 +1401,6 @@ static const struct qcom_pcie_ops ops_1_9_0 = {
.init = qcom_pcie_init_2_7_0,
.deinit = qcom_pcie_deinit_2_7_0,
.ltssm_enable = qcom_pcie_2_3_2_ltssm_enable,
- .post_init = qcom_pcie_post_init_2_7_0,
.config_sid = qcom_pcie_config_sid_sm8250,
};
@@ -1470,7 +1434,6 @@ static const struct qcom_pcie_cfg sm8250_cfg = {
static const struct qcom_pcie_cfg sc7280_cfg = {
.ops = &ops_1_9_0,
- .pipe_clk_need_muxing = true,
};
static const struct dw_pcie_ops dw_pcie_ops = {
@@ -1513,7 +1476,6 @@ static int qcom_pcie_probe(struct platform_device *pdev)
pcie->pci = pci;
pcie->ops = pcie_cfg->ops;
- pcie->pipe_clk_need_muxing = pcie_cfg->pipe_clk_need_muxing;
pcie->reset = devm_gpiod_get_optional(dev, "perst", GPIOD_OUT_HIGH);
if (IS_ERR(pcie->reset)) {
The SC7280 platform has switched to using GDSC wrapper for setting pipe_clk_src parent clock. Remove supporting code from the pcie-qcom driver. Cc: Prasad Malisetty <pmaliset@codeaurora.org> Cc: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/pci/controller/dwc/pcie-qcom.c | 38 -------------------------- 1 file changed, 38 deletions(-)