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Message-ID: <20251219012819.440972-2-inochiama@gmail.com>
Date: Fri, 19 Dec 2025 09:28:17 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Yixun Lan <dlan@...too.org>,
Haylen Chu <heylenay@....org>,
Alex Elder <elder@...cstar.com>,
Inochi Amaoto <inochiama@...il.com>,
Troy Mitchell <troy.mitchell@...ux.spacemit.com>,
Charles Mirabile <cmirabil@...hat.com>,
Brian Masney <bmasney@...hat.com>,
Akhilesh Patil <akhilesh@...iitb.ac.in>
Cc: linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org,
linux-riscv@...ts.infradead.org,
spacemit@...ts.linux.dev,
Longbin Li <looong.bin@...il.com>
Subject: [PATCH v4 1/2] clk: spacemit: Respect Kconfig setting when building modules
Currently, the SPACEMIT_CCU entry is only a switch for enabling entry
SPACEMIT_K1_CCU. It does not guide the build for common clock codes
even if it is a tristate entry. This makes this entry useless.
Change the Makefile to add a separate build for common clock logic,
so the SPACEMIT_CCU entry takes effect, also add necessary
MODULE_LICENSE()/MODULE_DESCRIPTION()/EXPORT_SYMBOL() for the module
build.
Fixes: 1b72c59db0ad ("clk: spacemit: Add clock support for SpacemiT K1 SoC")
Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
drivers/clk/spacemit/Makefile | 9 +++++++--
drivers/clk/spacemit/ccu-k1.c | 1 +
drivers/clk/spacemit/ccu_common.c | 6 ++++++
drivers/clk/spacemit/ccu_ddn.c | 1 +
drivers/clk/spacemit/ccu_mix.c | 9 +++++++++
drivers/clk/spacemit/ccu_pll.c | 1 +
6 files changed, 25 insertions(+), 2 deletions(-)
create mode 100644 drivers/clk/spacemit/ccu_common.c
diff --git a/drivers/clk/spacemit/Makefile b/drivers/clk/spacemit/Makefile
index 5ec6da61db98..ad2bf315109b 100644
--- a/drivers/clk/spacemit/Makefile
+++ b/drivers/clk/spacemit/Makefile
@@ -1,5 +1,10 @@
# SPDX-License-Identifier: GPL-2.0
-obj-$(CONFIG_SPACEMIT_K1_CCU) = spacemit-ccu-k1.o
-spacemit-ccu-k1-y = ccu_pll.o ccu_mix.o ccu_ddn.o
+obj-$(CONFIG_SPACEMIT_CCU) += spacemit-ccu.o
+spacemit-ccu-y += ccu_common.o
+spacemit-ccu-y += ccu_pll.o
+spacemit-ccu-y += ccu_mix.o
+spacemit-ccu-y += ccu_ddn.o
+
+obj-$(CONFIG_SPACEMIT_K1_CCU) += spacemit-ccu-k1.o
spacemit-ccu-k1-y += ccu-k1.o
diff --git a/drivers/clk/spacemit/ccu-k1.c b/drivers/clk/spacemit/ccu-k1.c
index 4761bc1e3b6e..01d9485b615d 100644
--- a/drivers/clk/spacemit/ccu-k1.c
+++ b/drivers/clk/spacemit/ccu-k1.c
@@ -1204,6 +1204,7 @@ static struct platform_driver k1_ccu_driver = {
};
module_platform_driver(k1_ccu_driver);
+MODULE_IMPORT_NS("CLK_SPACEMIT");
MODULE_DESCRIPTION("SpacemiT K1 CCU driver");
MODULE_AUTHOR("Haylen Chu <heylenay@....org>");
MODULE_LICENSE("GPL");
diff --git a/drivers/clk/spacemit/ccu_common.c b/drivers/clk/spacemit/ccu_common.c
new file mode 100644
index 000000000000..4412c4104dab
--- /dev/null
+++ b/drivers/clk/spacemit/ccu_common.c
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/module.h>
+
+MODULE_DESCRIPTION("SpacemiT CCU common clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/spacemit/ccu_ddn.c b/drivers/clk/spacemit/ccu_ddn.c
index 5b16e273bee5..b5540e0781ff 100644
--- a/drivers/clk/spacemit/ccu_ddn.c
+++ b/drivers/clk/spacemit/ccu_ddn.c
@@ -84,3 +84,4 @@ const struct clk_ops spacemit_ccu_ddn_ops = {
.determine_rate = ccu_ddn_determine_rate,
.set_rate = ccu_ddn_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_ddn_ops, "CLK_SPACEMIT");
diff --git a/drivers/clk/spacemit/ccu_mix.c b/drivers/clk/spacemit/ccu_mix.c
index 7b7990875372..67f8b12b4f5b 100644
--- a/drivers/clk/spacemit/ccu_mix.c
+++ b/drivers/clk/spacemit/ccu_mix.c
@@ -198,24 +198,28 @@ const struct clk_ops spacemit_ccu_gate_ops = {
.enable = ccu_gate_enable,
.is_enabled = ccu_gate_is_enabled,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_gate_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_factor_ops = {
.determine_rate = ccu_factor_determine_rate,
.recalc_rate = ccu_factor_recalc_rate,
.set_rate = ccu_factor_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_factor_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_mux_ops = {
.determine_rate = ccu_mix_determine_rate,
.get_parent = ccu_mux_get_parent,
.set_parent = ccu_mux_set_parent,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_div_ops = {
.determine_rate = ccu_mix_determine_rate,
.recalc_rate = ccu_div_recalc_rate,
.set_rate = ccu_mix_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_div_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_factor_gate_ops = {
.disable = ccu_gate_disable,
@@ -226,6 +230,7 @@ const struct clk_ops spacemit_ccu_factor_gate_ops = {
.recalc_rate = ccu_factor_recalc_rate,
.set_rate = ccu_factor_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_factor_gate_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_mux_gate_ops = {
.disable = ccu_gate_disable,
@@ -236,6 +241,7 @@ const struct clk_ops spacemit_ccu_mux_gate_ops = {
.get_parent = ccu_mux_get_parent,
.set_parent = ccu_mux_set_parent,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_gate_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_div_gate_ops = {
.disable = ccu_gate_disable,
@@ -246,6 +252,7 @@ const struct clk_ops spacemit_ccu_div_gate_ops = {
.recalc_rate = ccu_div_recalc_rate,
.set_rate = ccu_mix_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_div_gate_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_mux_div_gate_ops = {
.disable = ccu_gate_disable,
@@ -259,6 +266,7 @@ const struct clk_ops spacemit_ccu_mux_div_gate_ops = {
.recalc_rate = ccu_div_recalc_rate,
.set_rate = ccu_mix_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_div_gate_ops, "CLK_SPACEMIT");
const struct clk_ops spacemit_ccu_mux_div_ops = {
.get_parent = ccu_mux_get_parent,
@@ -268,3 +276,4 @@ const struct clk_ops spacemit_ccu_mux_div_ops = {
.recalc_rate = ccu_div_recalc_rate,
.set_rate = ccu_mix_set_rate,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_mux_div_ops, "CLK_SPACEMIT");
diff --git a/drivers/clk/spacemit/ccu_pll.c b/drivers/clk/spacemit/ccu_pll.c
index d92f0dae65a4..76d0244873d8 100644
--- a/drivers/clk/spacemit/ccu_pll.c
+++ b/drivers/clk/spacemit/ccu_pll.c
@@ -157,3 +157,4 @@ const struct clk_ops spacemit_ccu_pll_ops = {
.determine_rate = ccu_pll_determine_rate,
.is_enabled = ccu_pll_is_enabled,
};
+EXPORT_SYMBOL_NS_GPL(spacemit_ccu_pll_ops, "CLK_SPACEMIT");
--
2.52.0
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