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-rw-r--r--drivers/clk/Kconfig6
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/clk-clps711x.c61
-rw-r--r--drivers/clk/clk-fixed-mmio.c101
-rw-r--r--drivers/clk/clk-highbank.c1
-rw-r--r--drivers/clk/clk-qoriq.c1
-rw-r--r--drivers/clk/imx/clk-imx6q.c1
-rw-r--r--drivers/clk/imx/clk-imx6sx.c1
-rw-r--r--drivers/clk/imx/clk-imx7d.c1
-rw-r--r--drivers/clk/imx/clk-imx7ulp.c16
-rw-r--r--drivers/clk/imx/clk-vf610.c1
-rw-r--r--drivers/clk/mvebu/armada-370.c4
-rw-r--r--drivers/clk/mvebu/armada-xp.c4
-rw-r--r--drivers/clk/mvebu/dove.c8
-rw-r--r--drivers/clk/mvebu/kirkwood.c2
-rw-r--r--drivers/clk/mvebu/mv98dx3236.c4
-rw-r--r--drivers/clk/samsung/clk-exynos4.c1
-rw-r--r--drivers/clk/socfpga/clk-gate.c22
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c1
-rw-r--r--drivers/clk/socfpga/clk-pll.c1
-rw-r--r--drivers/clk/ti/clk.c8
21 files changed, 172 insertions, 74 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index d2f0bb5ba47e..e705aab9e38b 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -290,6 +290,12 @@ config COMMON_CLK_BD718XX
This driver supports ROHM BD71837 and ROHM BD71847
PMICs clock gates.
+config COMMON_CLK_FIXED_MMIO
+ bool "Clock driver for Memory Mapped Fixed values"
+ depends on COMMON_CLK && OF
+ help
+ Support for Memory Mapped IO Fixed clocks
+
source "drivers/clk/actions/Kconfig"
source "drivers/clk/bcm/Kconfig"
source "drivers/clk/hisilicon/Kconfig"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 8a9440a97500..d6cd32bda771 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o
obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o
obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o
obj-$(CONFIG_ARCH_EFM32) += clk-efm32gg.o
+obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o
obj-$(CONFIG_COMMON_CLK_GEMINI) += clk-gemini.o
obj-$(CONFIG_COMMON_CLK_ASPEED) += clk-aspeed.o
obj-$(CONFIG_ARCH_HIGHBANK) += clk-highbank.o
diff --git a/drivers/clk/clk-clps711x.c b/drivers/clk/clk-clps711x.c
index 2c04396402ab..c36c47bdba02 100644
--- a/drivers/clk/clk-clps711x.c
+++ b/drivers/clk/clk-clps711x.c
@@ -44,21 +44,21 @@ struct clps711x_clk {
struct clk_hw_onecell_data clk_data;
};
-static struct clps711x_clk * __init _clps711x_clk_init(void __iomem *base,
- u32 fref)
+static void __init clps711x_clk_init_dt(struct device_node *np)
{
- u32 tmp, f_cpu, f_pll, f_bus, f_tim, f_pwm, f_spi;
+ u32 tmp, f_cpu, f_pll, f_bus, f_tim, f_pwm, f_spi, fref = 0;
struct clps711x_clk *clps711x_clk;
- unsigned i;
+ void __iomem *base;
+
+ WARN_ON(of_property_read_u32(np, "startup-frequency", &fref));
- if (!base)
- return ERR_PTR(-ENOMEM);
+ base = of_iomap(np, 0);
+ BUG_ON(!base);
clps711x_clk = kzalloc(struct_size(clps711x_clk, clk_data.hws,
CLPS711X_CLK_MAX),
GFP_KERNEL);
- if (!clps711x_clk)
- return ERR_PTR(-ENOMEM);
+ BUG_ON(!clps711x_clk);
spin_lock_init(&clps711x_clk->lock);
@@ -137,52 +137,13 @@ static struct clps711x_clk * __init _clps711x_clk_init(void __iomem *base,
clk_hw_register_fixed_factor(NULL, "uart", "bus", 0, 1, 10);
clps711x_clk->clk_data.hws[CLPS711X_CLK_TICK] =
clk_hw_register_fixed_rate(NULL, "tick", NULL, 0, 64);
- for (i = 0; i < CLPS711X_CLK_MAX; i++)
- if (IS_ERR(clps711x_clk->clk_data.hws[i]))
+ for (tmp = 0; tmp < CLPS711X_CLK_MAX; tmp++)
+ if (IS_ERR(clps711x_clk->clk_data.hws[tmp]))
pr_err("clk %i: register failed with %ld\n",
- i, PTR_ERR(clps711x_clk->clk_data.hws[i]));
-
- return clps711x_clk;
-}
-
-void __init clps711x_clk_init(void __iomem *base)
-{
- struct clps711x_clk *clps711x_clk;
-
- clps711x_clk = _clps711x_clk_init(base, 73728000);
-
- BUG_ON(IS_ERR(clps711x_clk));
-
- /* Clocksource */
- clk_hw_register_clkdev(clps711x_clk->clk_data.hws[CLPS711X_CLK_TIMER1],
- NULL, "clps711x-timer.0");
- clk_hw_register_clkdev(clps711x_clk->clk_data.hws[CLPS711X_CLK_TIMER2],
- NULL, "clps711x-timer.1");
-
- /* Drivers */
- clk_hw_register_clkdev(clps711x_clk->clk_data.hws[CLPS711X_CLK_PWM],
- NULL, "clps711x-pwm");
- clk_hw_register_clkdev(clps711x_clk->clk_data.hws[CLPS711X_CLK_UART],
- NULL, "clps711x-uart.0");
- clk_hw_register_clkdev(clps711x_clk->clk_data.hws[CLPS711X_CLK_UART],
- NULL, "clps711x-uart.1");
-}
-
-#ifdef CONFIG_OF
-static void __init clps711x_clk_init_dt(struct device_node *np)
-{
- void __iomem *base = of_iomap(np, 0);
- struct clps711x_clk *clps711x_clk;
- u32 fref = 0;
-
- WARN_ON(of_property_read_u32(np, "startup-frequency", &fref));
-
- clps711x_clk = _clps711x_clk_init(base, fref);
- BUG_ON(IS_ERR(clps711x_clk));
+ tmp, PTR_ERR(clps711x_clk->clk_data.hws[tmp]));
clps711x_clk->clk_data.num = CLPS711X_CLK_MAX;
of_clk_add_hw_provider(np, of_clk_hw_onecell_get,
&clps711x_clk->clk_data);
}
CLK_OF_DECLARE(clps711x, "cirrus,ep7209-clk", clps711x_clk_init_dt);
-#endif
diff --git a/drivers/clk/clk-fixed-mmio.c b/drivers/clk/clk-fixed-mmio.c
new file mode 100644
index 000000000000..d1a97d971183
--- /dev/null
+++ b/drivers/clk/clk-fixed-mmio.c
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/*
+ * Memory Mapped IO Fixed clock driver
+ *
+ * Copyright (C) 2018 Cadence Design Systems, Inc.
+ *
+ * Authors:
+ * Jan Kotas <jank@cadence.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_address.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+static struct clk_hw *fixed_mmio_clk_setup(struct device_node *node)
+{
+ struct clk_hw *clk;
+ const char *clk_name = node->name;
+ void __iomem *base;
+ u32 freq;
+ int ret;
+
+ base = of_iomap(node, 0);
+ if (!base) {
+ pr_err("%pOFn: failed to map address\n", node);
+ return ERR_PTR(-EIO);
+ }
+
+ freq = readl(base);
+ iounmap(base);
+ of_property_read_string(node, "clock-output-names", &clk_name);
+
+ clk = clk_hw_register_fixed_rate(NULL, clk_name, NULL, 0, freq);
+ if (IS_ERR(clk)) {
+ pr_err("%pOFn: failed to register fixed rate clock\n", node);
+ return clk;
+ }
+
+ ret = of_clk_add_hw_provider(node, of_clk_hw_simple_get, clk);
+ if (ret) {
+ pr_err("%pOFn: failed to add clock provider\n", node);
+ clk_hw_unregister(clk);
+ clk = ERR_PTR(ret);
+ }
+
+ return clk;
+}
+
+static void __init of_fixed_mmio_clk_setup(struct device_node *node)
+{
+ fixed_mmio_clk_setup(node);
+}
+CLK_OF_DECLARE(fixed_mmio_clk, "fixed-mmio-clock", of_fixed_mmio_clk_setup);
+
+/**
+ * This is not executed when of_fixed_mmio_clk_setup succeeded.
+ */
+static int of_fixed_mmio_clk_probe(struct platform_device *pdev)
+{
+ struct clk_hw *clk;
+
+ clk = fixed_mmio_clk_setup(pdev->dev.of_node);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ platform_set_drvdata(pdev, clk);
+
+ return 0;
+}
+
+static int of_fixed_mmio_clk_remove(struct platform_device *pdev)
+{
+ struct clk_hw *clk = platform_get_drvdata(pdev);
+
+ of_clk_del_provider(pdev->dev.of_node);
+ clk_hw_unregister_fixed_rate(clk);
+
+ return 0;
+}
+
+static const struct of_device_id of_fixed_mmio_clk_ids[] = {
+ { .compatible = "fixed-mmio-clock" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, of_fixed_mmio_clk_ids);
+
+static struct platform_driver of_fixed_mmio_clk_driver = {
+ .driver = {
+ .name = "of_fixed_mmio_clk",
+ .of_match_table = of_fixed_mmio_clk_ids,
+ },
+ .probe = of_fixed_mmio_clk_probe,
+ .remove = of_fixed_mmio_clk_remove,
+};
+module_platform_driver(of_fixed_mmio_clk_driver);
+
+MODULE_AUTHOR("Jan Kotas <jank@cadence.com>");
+MODULE_DESCRIPTION("Memory Mapped IO Fixed clock driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/clk-highbank.c b/drivers/clk/clk-highbank.c
index 727ed8e1bb72..8e4581004695 100644
--- a/drivers/clk/clk-highbank.c
+++ b/drivers/clk/clk-highbank.c
@@ -293,6 +293,7 @@ static __init struct clk *hb_clk_init(struct device_node *node, const struct clk
/* Map system registers */
srnp = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
hb_clk->reg = of_iomap(srnp, 0);
+ of_node_put(srnp);
BUG_ON(!hb_clk->reg);
hb_clk->reg += reg;
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 5baa9e051110..0e84f6dfa54e 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -1389,6 +1389,7 @@ static void __init clockgen_init(struct device_node *np)
pr_err("%s: Couldn't map %pOF regs\n", __func__,
guts);
}
+ of_node_put(guts);
}
}
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 716eac3136b4..708e7c5590dd 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -471,6 +471,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop");
anatop_base = base = of_iomap(np, 0);
WARN_ON(!base);
+ of_node_put(np);
/* Audio/video PLL post dividers do not work on i.MX6q revision 1.0 */
if (clk_on_imx6q() && imx_get_soc_revision() == IMX_CHIP_REVISION_1_0) {
diff --git a/drivers/clk/imx/clk-imx6sx.c b/drivers/clk/imx/clk-imx6sx.c
index 18527a335ace..91558b09bf9e 100644
--- a/drivers/clk/imx/clk-imx6sx.c
+++ b/drivers/clk/imx/clk-imx6sx.c
@@ -151,6 +151,7 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,imx6sx-anatop");
base = of_iomap(np, 0);
WARN_ON(!base);
+ of_node_put(np);
clks[IMX6SX_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
clks[IMX6SX_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels));
diff --git a/drivers/clk/imx/clk-imx7d.c b/drivers/clk/imx/clk-imx7d.c
index 06c105d580a4..cfbd8d4edb85 100644
--- a/drivers/clk/imx/clk-imx7d.c
+++ b/drivers/clk/imx/clk-imx7d.c
@@ -404,6 +404,7 @@ static void __init imx7d_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,imx7d-anatop");
base = of_iomap(np, 0);
WARN_ON(!base);
+ of_node_put(np);
clks[IMX7D_PLL_ARM_MAIN_SRC] = imx_clk_mux("pll_arm_main_src", base + 0x60, 14, 2, pll_bypass_src_sel, ARRAY_SIZE(pll_bypass_src_sel));
clks[IMX7D_PLL_DRAM_MAIN_SRC] = imx_clk_mux("pll_dram_main_src", base + 0x70, 14, 2, pll_bypass_src_sel, ARRAY_SIZE(pll_bypass_src_sel));
diff --git a/drivers/clk/imx/clk-imx7ulp.c b/drivers/clk/imx/clk-imx7ulp.c
index 4e18f629f823..ce306631e844 100644
--- a/drivers/clk/imx/clk-imx7ulp.c
+++ b/drivers/clk/imx/clk-imx7ulp.c
@@ -48,8 +48,8 @@ static void __init imx7ulp_clk_scg1_init(struct device_node *np)
struct clk_hw **clks;
void __iomem *base;
- clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
- IMX7ULP_CLK_SCG1_END, GFP_KERNEL);
+ clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_SCG1_END),
+ GFP_KERNEL);
if (!clk_data)
return;
@@ -136,8 +136,8 @@ static void __init imx7ulp_clk_pcc2_init(struct device_node *np)
struct clk_hw **clks;
void __iomem *base;
- clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
- IMX7ULP_CLK_PCC2_END, GFP_KERNEL);
+ clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_PCC2_END),
+ GFP_KERNEL);
if (!clk_data)
return;
@@ -183,8 +183,8 @@ static void __init imx7ulp_clk_pcc3_init(struct device_node *np)
struct clk_hw **clks;
void __iomem *base;
- clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
- IMX7ULP_CLK_PCC3_END, GFP_KERNEL);
+ clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_PCC3_END),
+ GFP_KERNEL);
if (!clk_data)
return;
@@ -228,8 +228,8 @@ static void __init imx7ulp_clk_smc1_init(struct device_node *np)
struct clk_hw **clks;
void __iomem *base;
- clk_data = kzalloc(sizeof(*clk_data) + sizeof(*clk_data->hws) *
- IMX7ULP_CLK_SMC1_END, GFP_KERNEL);
+ clk_data = kzalloc(struct_size(clk_data, hws, IMX7ULP_CLK_SMC1_END),
+ GFP_KERNEL);
if (!clk_data)
return;
diff --git a/drivers/clk/imx/clk-vf610.c b/drivers/clk/imx/clk-vf610.c
index 6dae54325a91..a334667c450a 100644
--- a/drivers/clk/imx/clk-vf610.c
+++ b/drivers/clk/imx/clk-vf610.c
@@ -203,6 +203,7 @@ static void __init vf610_clocks_init(struct device_node *ccm_node)
np = of_find_compatible_node(NULL, NULL, "fsl,vf610-anatop");
anatop_base = of_iomap(np, 0);
BUG_ON(!anatop_base);
+ of_node_put(np);
np = ccm_node;
ccm_base = of_iomap(np, 0);
diff --git a/drivers/clk/mvebu/armada-370.c b/drivers/clk/mvebu/armada-370.c
index 7dedfaa6e152..5c6bbee396b3 100644
--- a/drivers/clk/mvebu/armada-370.c
+++ b/drivers/clk/mvebu/armada-370.c
@@ -175,8 +175,10 @@ static void __init a370_clk_init(struct device_node *np)
mvebu_coreclk_setup(np, &a370_coreclks);
- if (cgnp)
+ if (cgnp) {
mvebu_clk_gating_setup(cgnp, a370_gating_desc);
+ of_node_put(cgnp);
+ }
}
CLK_OF_DECLARE(a370_clk, "marvell,armada-370-core-clock", a370_clk_init);
diff --git a/drivers/clk/mvebu/armada-xp.c b/drivers/clk/mvebu/armada-xp.c
index e8f03293ec83..fa1568279c23 100644
--- a/drivers/clk/mvebu/armada-xp.c
+++ b/drivers/clk/mvebu/armada-xp.c
@@ -226,7 +226,9 @@ static void __init axp_clk_init(struct device_node *np)
mvebu_coreclk_setup(np, &axp_coreclks);
- if (cgnp)
+ if (cgnp) {
mvebu_clk_gating_setup(cgnp, axp_gating_desc);
+ of_node_put(cgnp);
+ }
}
CLK_OF_DECLARE(axp_clk, "marvell,armada-xp-core-clock", axp_clk_init);
diff --git a/drivers/clk/mvebu/dove.c b/drivers/clk/mvebu/dove.c
index e0dd99f36bf4..0bd09d33f9cf 100644
--- a/drivers/clk/mvebu/dove.c
+++ b/drivers/clk/mvebu/dove.c
@@ -188,10 +188,14 @@ static void __init dove_clk_init(struct device_node *np)
mvebu_coreclk_setup(np, &dove_coreclks);
- if (ddnp)
+ if (ddnp) {
dove_divider_clk_init(ddnp);
+ of_node_put(ddnp);
+ }
- if (cgnp)
+ if (cgnp) {
mvebu_clk_gating_setup(cgnp, dove_gating_desc);
+ of_node_put(cgnp);
+ }
}
CLK_OF_DECLARE(dove_clk, "marvell,dove-core-clock", dove_clk_init);
diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
index 6f784167bda4..35af3aa18f1c 100644
--- a/drivers/clk/mvebu/kirkwood.c
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -331,6 +331,8 @@ static void __init kirkwood_clk_init(struct device_node *np)
if (cgnp) {
mvebu_clk_gating_setup(cgnp, kirkwood_gating_desc);
kirkwood_clk_muxing_setup(cgnp, kirkwood_mux_desc);
+
+ of_node_put(cgnp);
}
}
CLK_OF_DECLARE(kirkwood_clk, "marvell,kirkwood-core-clock",
diff --git a/drivers/clk/mvebu/mv98dx3236.c b/drivers/clk/mvebu/mv98dx3236.c
index 0a74cf7a7725..1c8ab4f834ba 100644
--- a/drivers/clk/mvebu/mv98dx3236.c
+++ b/drivers/clk/mvebu/mv98dx3236.c
@@ -172,7 +172,9 @@ static void __init mv98dx3236_clk_init(struct device_node *np)
mvebu_coreclk_setup(np, &mv98dx3236_core_clocks);
- if (cgnp)
+ if (cgnp) {
mvebu_clk_gating_setup(cgnp, mv98dx3236_gating_desc);
+ of_node_put(cgnp);
+ }
}
CLK_OF_DECLARE(mv98dx3236_clk, "marvell,mv98dx3236-core-clock", mv98dx3236_clk_init);
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 59d4d46667ce..54066e6508d3 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -1028,6 +1028,7 @@ static unsigned long __init exynos4_get_xom(void)
xom = readl(chipid_base + 8);
iounmap(chipid_base);
+ of_node_put(np);
}
return xom;
diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
index aa7a6e6a15b6..73e03328d5c5 100644
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -176,8 +176,7 @@ static struct clk_ops gateclk_ops = {
.set_parent = socfpga_clk_set_parent,
};
-static void __init __socfpga_gate_init(struct device_node *node,
- const struct clk_ops *ops)
+void __init socfpga_gate_init(struct device_node *node)
{
u32 clk_gate[2];
u32 div_reg[3];
@@ -188,12 +187,17 @@ static void __init __socfpga_gate_init(struct device_node *node,
const char *clk_name = node->name;
const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
+ struct clk_ops *ops;
int rc;
socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
if (WARN_ON(!socfpga_clk))
return;
+ ops = kmemdup(&gateclk_ops, sizeof(gateclk_ops), GFP_KERNEL);
+ if (WARN_ON(!ops))
+ return;
+
rc = of_property_read_u32_array(node, "clk-gate", clk_gate, 2);
if (rc)
clk_gate[0] = 0;
@@ -202,8 +206,8 @@ static void __init __socfpga_gate_init(struct device_node *node,
socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0];
socfpga_clk->hw.bit_idx = clk_gate[1];
- gateclk_ops.enable = clk_gate_ops.enable;
- gateclk_ops.disable = clk_gate_ops.disable;
+ ops->enable = clk_gate_ops.enable;
+ ops->disable = clk_gate_ops.disable;
}
rc = of_property_read_u32(node, "fixed-divider", &fixed_div);
@@ -234,6 +238,11 @@ static void __init __socfpga_gate_init(struct device_node *node,
init.flags = 0;
init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ if (init.num_parents < 2) {
+ ops->get_parent = NULL;
+ ops->set_parent = NULL;
+ }
+
init.parent_names = parent_name;
socfpga_clk->hw.hw.init = &init;
@@ -246,8 +255,3 @@ static void __init __socfpga_gate_init(struct device_node *node,
if (WARN_ON(rc))
return;
}
-
-void __init socfpga_gate_init(struct device_node *node)
-{
- __socfpga_gate_init(node, &gateclk_ops);
-}
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
index 35fabe1a32c3..269467e8e07e 100644
--- a/drivers/clk/socfpga/clk-pll-a10.c
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -95,6 +95,7 @@ static struct clk * __init __socfpga_pll_init(struct device_node *node,
clkmgr_np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
clk_mgr_a10_base_addr = of_iomap(clkmgr_np, 0);
+ of_node_put(clkmgr_np);
BUG_ON(!clk_mgr_a10_base_addr);
pll_clk->hw.reg = clk_mgr_a10_base_addr + reg;
diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c
index c7f463172e4b..b4b44e9b5901 100644
--- a/drivers/clk/socfpga/clk-pll.c
+++ b/drivers/clk/socfpga/clk-pll.c
@@ -100,6 +100,7 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node,
clkmgr_np = of_find_compatible_node(NULL, NULL, "altr,clk-mgr");
clk_mgr_base_addr = of_iomap(clkmgr_np, 0);
+ of_node_put(clkmgr_np);
BUG_ON(!clk_mgr_base_addr);
pll_clk->hw.reg = clk_mgr_base_addr + reg;
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index d0cd58534781..5174f9a91679 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -191,9 +191,13 @@ void __init ti_dt_clocks_register(struct ti_dt_clk oclks[])
clkdev_add(&c->lk);
} else {
if (num_args && !has_clkctrl_data) {
- if (of_find_compatible_node(NULL, NULL,
- "ti,clkctrl")) {
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL,
+ "ti,clkctrl");
+ if (np) {
has_clkctrl_data = true;
+ of_node_put(np);
} else {
clkctrl_nodes_missing = true;