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-rw-r--r--drivers/pci/controller/dwc/pcie-qcom.c177
1 files changed, 58 insertions, 119 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 14772edcf0d3..3d2eeff9a876 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -154,58 +154,56 @@
#define QCOM_PCIE_LINK_SPEED_TO_BW(speed) \
Mbps_to_icc(PCIE_SPEED2MBS_ENC(pcie_link_speed[speed]))
-#define QCOM_PCIE_1_0_0_MAX_CLOCKS 4
struct qcom_pcie_resources_1_0_0 {
- struct clk_bulk_data clks[QCOM_PCIE_1_0_0_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
+ int num_clks;
struct reset_control *core;
struct regulator *vdda;
};
-#define QCOM_PCIE_2_1_0_MAX_CLOCKS 5
#define QCOM_PCIE_2_1_0_MAX_RESETS 6
#define QCOM_PCIE_2_1_0_MAX_SUPPLY 3
struct qcom_pcie_resources_2_1_0 {
- struct clk_bulk_data clks[QCOM_PCIE_2_1_0_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
+ int num_clks;
struct reset_control_bulk_data resets[QCOM_PCIE_2_1_0_MAX_RESETS];
int num_resets;
struct regulator_bulk_data supplies[QCOM_PCIE_2_1_0_MAX_SUPPLY];
};
-#define QCOM_PCIE_2_3_2_MAX_CLOCKS 4
#define QCOM_PCIE_2_3_2_MAX_SUPPLY 2
struct qcom_pcie_resources_2_3_2 {
- struct clk_bulk_data clks[QCOM_PCIE_2_3_2_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
+ int num_clks;
struct regulator_bulk_data supplies[QCOM_PCIE_2_3_2_MAX_SUPPLY];
};
-#define QCOM_PCIE_2_3_3_MAX_CLOCKS 5
#define QCOM_PCIE_2_3_3_MAX_RESETS 7
struct qcom_pcie_resources_2_3_3 {
- struct clk_bulk_data clks[QCOM_PCIE_2_3_3_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
+ int num_clks;
struct reset_control_bulk_data rst[QCOM_PCIE_2_3_3_MAX_RESETS];
};
-#define QCOM_PCIE_2_4_0_MAX_CLOCKS 4
#define QCOM_PCIE_2_4_0_MAX_RESETS 12
struct qcom_pcie_resources_2_4_0 {
- struct clk_bulk_data clks[QCOM_PCIE_2_4_0_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
int num_clks;
struct reset_control_bulk_data resets[QCOM_PCIE_2_4_0_MAX_RESETS];
int num_resets;
};
-#define QCOM_PCIE_2_7_0_MAX_CLOCKS 15
#define QCOM_PCIE_2_7_0_MAX_SUPPLIES 2
struct qcom_pcie_resources_2_7_0 {
- struct clk_bulk_data clks[QCOM_PCIE_2_7_0_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
int num_clks;
struct regulator_bulk_data supplies[QCOM_PCIE_2_7_0_MAX_SUPPLIES];
struct reset_control *rst;
};
-#define QCOM_PCIE_2_9_0_MAX_CLOCKS 5
struct qcom_pcie_resources_2_9_0 {
- struct clk_bulk_data clks[QCOM_PCIE_2_9_0_MAX_CLOCKS];
+ struct clk_bulk_data *clks;
+ int num_clks;
struct reset_control *rst;
};
@@ -337,21 +335,11 @@ static int qcom_pcie_get_resources_2_1_0(struct qcom_pcie *pcie)
if (ret)
return ret;
- res->clks[0].id = "iface";
- res->clks[1].id = "core";
- res->clks[2].id = "phy";
- res->clks[3].id = "aux";
- res->clks[4].id = "ref";
-
- /* iface, core, phy are required */
- ret = devm_clk_bulk_get(dev, 3, res->clks);
- if (ret < 0)
- return ret;
-
- /* aux, ref are optional */
- ret = devm_clk_bulk_get_optional(dev, 2, res->clks + 3);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
res->resets[0].id = "pci";
res->resets[1].id = "axi";
@@ -373,7 +361,7 @@ static void qcom_pcie_deinit_2_1_0(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_2_1_0 *res = &pcie->res.v2_1_0;
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
reset_control_bulk_assert(res->num_resets, res->resets);
writel(1, pcie->parf + PARF_PHY_CTRL);
@@ -425,7 +413,7 @@ static int qcom_pcie_post_init_2_1_0(struct qcom_pcie *pcie)
val &= ~PHY_TEST_PWR_DOWN;
writel(val, pcie->parf + PARF_PHY_CTRL);
- ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
+ ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
if (ret)
return ret;
@@ -476,20 +464,16 @@ static int qcom_pcie_get_resources_1_0_0(struct qcom_pcie *pcie)
struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0;
struct dw_pcie *pci = pcie->pci;
struct device *dev = pci->dev;
- int ret;
res->vdda = devm_regulator_get(dev, "vdda");
if (IS_ERR(res->vdda))
return PTR_ERR(res->vdda);
- res->clks[0].id = "iface";
- res->clks[1].id = "aux";
- res->clks[2].id = "master_bus";
- res->clks[3].id = "slave_bus";
-
- ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
res->core = devm_reset_control_get_exclusive(dev, "core");
return PTR_ERR_OR_ZERO(res->core);
@@ -500,7 +484,7 @@ static void qcom_pcie_deinit_1_0_0(struct qcom_pcie *pcie)
struct qcom_pcie_resources_1_0_0 *res = &pcie->res.v1_0_0;
reset_control_assert(res->core);
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
regulator_disable(res->vdda);
}
@@ -517,7 +501,7 @@ static int qcom_pcie_init_1_0_0(struct qcom_pcie *pcie)
return ret;
}
- ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
+ ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
if (ret) {
dev_err(dev, "cannot prepare/enable clocks\n");
goto err_assert_reset;
@@ -532,7 +516,7 @@ static int qcom_pcie_init_1_0_0(struct qcom_pcie *pcie)
return 0;
err_disable_clks:
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
err_assert_reset:
reset_control_assert(res->core);
@@ -580,14 +564,11 @@ static int qcom_pcie_get_resources_2_3_2(struct qcom_pcie *pcie)
if (ret)
return ret;
- res->clks[0].id = "aux";
- res->clks[1].id = "cfg";
- res->clks[2].id = "bus_master";
- res->clks[3].id = "bus_slave";
-
- ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
return 0;
}
@@ -596,7 +577,7 @@ static void qcom_pcie_deinit_2_3_2(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_2_3_2 *res = &pcie->res.v2_3_2;
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
}
@@ -613,7 +594,7 @@ static int qcom_pcie_init_2_3_2(struct qcom_pcie *pcie)
return ret;
}
- ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
+ ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
if (ret) {
dev_err(dev, "cannot prepare/enable clocks\n");
regulator_bulk_disable(ARRAY_SIZE(res->supplies), res->supplies);
@@ -661,17 +642,11 @@ static int qcom_pcie_get_resources_2_4_0(struct qcom_pcie *pcie)
bool is_ipq = of_device_is_compatible(dev->of_node, "qcom,pcie-ipq4019");
int ret;
- res->clks[0].id = "aux";
- res->clks[1].id = "master_bus";
- res->clks[2].id = "slave_bus";
- res->clks[3].id = "iface";
-
- /* qcom,pcie-ipq4019 is defined without "iface" */
- res->num_clks = is_ipq ? 3 : 4;
-
- ret = devm_clk_bulk_get(dev, res->num_clks, res->clks);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
res->resets[0].id = "axi_m";
res->resets[1].id = "axi_s";
@@ -742,15 +717,11 @@ static int qcom_pcie_get_resources_2_3_3(struct qcom_pcie *pcie)
struct device *dev = pci->dev;
int ret;
- res->clks[0].id = "iface";
- res->clks[1].id = "axi_m";
- res->clks[2].id = "axi_s";
- res->clks[3].id = "ahb";
- res->clks[4].id = "aux";
-
- ret = devm_clk_bulk_get(dev, ARRAY_SIZE(res->clks), res->clks);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
res->rst[0].id = "axi_m";
res->rst[1].id = "axi_s";
@@ -771,7 +742,7 @@ static void qcom_pcie_deinit_2_3_3(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_2_3_3 *res = &pcie->res.v2_3_3;
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
}
static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie)
@@ -801,7 +772,7 @@ static int qcom_pcie_init_2_3_3(struct qcom_pcie *pcie)
*/
usleep_range(2000, 2500);
- ret = clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
+ ret = clk_bulk_prepare_enable(res->num_clks, res->clks);
if (ret) {
dev_err(dev, "cannot prepare/enable clocks\n");
goto err_assert_resets;
@@ -862,8 +833,6 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
struct qcom_pcie_resources_2_7_0 *res = &pcie->res.v2_7_0;
struct dw_pcie *pci = pcie->pci;
struct device *dev = pci->dev;
- unsigned int num_clks, num_opt_clks;
- unsigned int idx;
int ret;
res->rst = devm_reset_control_array_get_exclusive(dev);
@@ -877,36 +846,11 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
if (ret)
return ret;
- idx = 0;
- res->clks[idx++].id = "aux";
- res->clks[idx++].id = "cfg";
- res->clks[idx++].id = "bus_master";
- res->clks[idx++].id = "bus_slave";
- res->clks[idx++].id = "slave_q2a";
-
- num_clks = idx;
-
- ret = devm_clk_bulk_get(dev, num_clks, res->clks);
- if (ret < 0)
- return ret;
-
- res->clks[idx++].id = "tbu";
- res->clks[idx++].id = "ddrss_sf_tbu";
- res->clks[idx++].id = "aggre0";
- res->clks[idx++].id = "aggre1";
- res->clks[idx++].id = "noc_aggr";
- res->clks[idx++].id = "noc_aggr_4";
- res->clks[idx++].id = "noc_aggr_south_sf";
- res->clks[idx++].id = "cnoc_qx";
- res->clks[idx++].id = "sleep";
- res->clks[idx++].id = "cnoc_sf_axi";
-
- num_opt_clks = idx - num_clks;
- res->num_clks = idx;
-
- ret = devm_clk_bulk_get_optional(dev, num_opt_clks, res->clks + num_clks);
- if (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
return 0;
}
@@ -1101,17 +1045,12 @@ 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;
-
- res->clks[0].id = "iface";
- 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 (ret < 0)
- return ret;
+ res->num_clks = devm_clk_bulk_get_all(dev, &res->clks);
+ if (res->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return res->num_clks;
+ }
res->rst = devm_reset_control_array_get_exclusive(dev);
if (IS_ERR(res->rst))
@@ -1124,7 +1063,7 @@ static void qcom_pcie_deinit_2_9_0(struct qcom_pcie *pcie)
{
struct qcom_pcie_resources_2_9_0 *res = &pcie->res.v2_9_0;
- clk_bulk_disable_unprepare(ARRAY_SIZE(res->clks), res->clks);
+ clk_bulk_disable_unprepare(res->num_clks, res->clks);
}
static int qcom_pcie_init_2_9_0(struct qcom_pcie *pcie)
@@ -1153,7 +1092,7 @@ static int qcom_pcie_init_2_9_0(struct qcom_pcie *pcie)
usleep_range(2000, 2500);
- return clk_bulk_prepare_enable(ARRAY_SIZE(res->clks), res->clks);
+ return clk_bulk_prepare_enable(res->num_clks, res->clks);
}
static int qcom_pcie_post_init_2_9_0(struct qcom_pcie *pcie)
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-31 23:57:54 +0000