summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/pci/controller/dwc/pcie-qcom-ep.c33
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
index 98c64a85d01f..e6ba781594a6 100644
--- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
+++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
@@ -130,16 +130,6 @@ enum qcom_pcie_ep_link_status {
QCOM_PCIE_EP_LINK_DOWN,
};
-static struct clk_bulk_data qcom_pcie_ep_clks[] = {
- { .id = "cfg" },
- { .id = "aux" },
- { .id = "bus_master" },
- { .id = "bus_slave" },
- { .id = "ref" },
- { .id = "sleep" },
- { .id = "slave_q2a" },
-};
-
/**
* struct qcom_pcie_ep - Qualcomm PCIe Endpoint Controller
* @pci: Designware PCIe controller struct
@@ -151,6 +141,8 @@ static struct clk_bulk_data qcom_pcie_ep_clks[] = {
* @reset: PERST# GPIO
* @wake: WAKE# GPIO
* @phy: PHY controller block
+ * @clks: PCIe clocks
+ * @num_clks: PCIe clocks count
* @perst_en: Flag for PERST enable
* @perst_sep_en: Flag for PERST separation enable
* @link_status: PCIe Link status
@@ -170,6 +162,9 @@ struct qcom_pcie_ep {
struct gpio_desc *wake;
struct phy *phy;
+ struct clk_bulk_data *clks;
+ int num_clks;
+
u32 perst_en;
u32 perst_sep_en;
@@ -244,8 +239,7 @@ static int qcom_pcie_enable_resources(struct qcom_pcie_ep *pcie_ep)
{
int ret;
- ret = clk_bulk_prepare_enable(ARRAY_SIZE(qcom_pcie_ep_clks),
- qcom_pcie_ep_clks);
+ ret = clk_bulk_prepare_enable(pcie_ep->num_clks, pcie_ep->clks);
if (ret)
return ret;
@@ -266,8 +260,7 @@ static int qcom_pcie_enable_resources(struct qcom_pcie_ep *pcie_ep)
err_phy_exit:
phy_exit(pcie_ep->phy);
err_disable_clk:
- clk_bulk_disable_unprepare(ARRAY_SIZE(qcom_pcie_ep_clks),
- qcom_pcie_ep_clks);
+ clk_bulk_disable_unprepare(pcie_ep->num_clks, pcie_ep->clks);
return ret;
}
@@ -276,8 +269,7 @@ static void qcom_pcie_disable_resources(struct qcom_pcie_ep *pcie_ep)
{
phy_power_off(pcie_ep->phy);
phy_exit(pcie_ep->phy);
- clk_bulk_disable_unprepare(ARRAY_SIZE(qcom_pcie_ep_clks),
- qcom_pcie_ep_clks);
+ clk_bulk_disable_unprepare(pcie_ep->num_clks, pcie_ep->clks);
}
static int qcom_pcie_perst_deassert(struct dw_pcie *pci)
@@ -495,10 +487,11 @@ static int qcom_pcie_ep_get_resources(struct platform_device *pdev,
return ret;
}
- ret = devm_clk_bulk_get(dev, ARRAY_SIZE(qcom_pcie_ep_clks),
- qcom_pcie_ep_clks);
- if (ret)
- return ret;
+ pcie_ep->num_clks = devm_clk_bulk_get_all(dev, &pcie_ep->clks);
+ if (pcie_ep->num_clks < 0) {
+ dev_err(dev, "Failed to get clocks\n");
+ return pcie_ep->num_clks;
+ }
pcie_ep->core_reset = devm_reset_control_get_exclusive(dev, "core");
if (IS_ERR(pcie_ep->core_reset))