linux-kernel - [PATCH] clk: spacemit: Fix module build for spacemit common ccu driver

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Message-ID: <20251214232938.668293-1-inochiama@gmail.com>
Date: Mon, 15 Dec 2025 07:29:37 +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>,
	Inochi Amaoto <inochiama@...il.com>,
	Brian Masney <bmasney@...hat.com>,
	Troy Mitchell <troy.mitchell@...ux.spacemit.com>,
	Alex Elder <elder@...cstar.com>,
	Akhilesh Patil <akhilesh@...iitb.ac.in>
Cc: linux-clk@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	spacemit@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Longbin Li <looong.bin@...il.com>
Subject: [PATCH] clk: spacemit: Fix module build for spacemit common ccu driver

For build spacemit common clock driver as a module, the build
process require MODULE_LICENSE()/MODULE_DESCRIPTION() globally
and EXPORT_SYMBOL() for every exposed symbol. Otherwise, the
build will fail.

Add these missing hints, so the driver can be built as a module.

Fixes: 1b72c59db0ad ("clk: spacemit: Add clock support for SpacemiT K1 SoC")
Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 drivers/clk/spacemit/ccu_ddn.c | 1 +
 drivers/clk/spacemit/ccu_mix.c | 9 +++++++++
 drivers/clk/spacemit/ccu_pll.c | 5 +++++
 3 files changed, 15 insertions(+)

diff --git a/drivers/clk/spacemit/ccu_ddn.c b/drivers/clk/spacemit/ccu_ddn.c
index 5b16e273bee5..9b6dc6910284 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(spacemit_ccu_ddn_ops);
diff --git a/drivers/clk/spacemit/ccu_mix.c b/drivers/clk/spacemit/ccu_mix.c
index 7b7990875372..09f377a6a4f5 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(spacemit_ccu_gate_ops);
 
 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(spacemit_ccu_factor_ops);
 
 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(spacemit_ccu_mux_ops);
 
 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(spacemit_ccu_div_ops);
 
 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(spacemit_ccu_factor_gate_ops);
 
 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(spacemit_ccu_mux_gate_ops);
 
 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(spacemit_ccu_div_gate_ops);
 
 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(spacemit_ccu_mux_div_gate_ops);
 
 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(spacemit_ccu_mux_div_ops);
diff --git a/drivers/clk/spacemit/ccu_pll.c b/drivers/clk/spacemit/ccu_pll.c
index d92f0dae65a4..f8fc53887189 100644
--- a/drivers/clk/spacemit/ccu_pll.c
+++ b/drivers/clk/spacemit/ccu_pll.c
@@ -7,6 +7,7 @@
 #include <linux/clk-provider.h>
 #include <linux/math.h>
 #include <linux/regmap.h>
+#include <linux/module.h>
 
 #include "ccu_common.h"
 #include "ccu_pll.h"
@@ -157,3 +158,7 @@ const struct clk_ops spacemit_ccu_pll_ops = {
 	.determine_rate = ccu_pll_determine_rate,
 	.is_enabled	= ccu_pll_is_enabled,
 };
+EXPORT_SYMBOL(spacemit_ccu_pll_ops);
+
+MODULE_DESCRIPTION("SpacemiT CCU PLL/MIX/DDN common driver");
+MODULE_LICENSE("GPL");
-- 
2.52.0