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* [PATCH] clk: spacemit: Fix module build for spacemit common ccu driver
@ 2025-12-14 23:29 Inochi Amaoto
  2025-12-15  2:54 ` Troy Mitchell
  2025-12-15 22:12 ` Yixun Lan
  0 siblings, 2 replies; 6+ messages in thread
From: Inochi Amaoto @ 2025-12-14 23:29 UTC (permalink / raw)
  To: Michael Turquette, Stephen Boyd, Yixun Lan, Haylen Chu,
	Inochi Amaoto, Brian Masney, Troy Mitchell, Alex Elder,
	Akhilesh Patil
  Cc: linux-clk, linux-riscv, spacemit, linux-kernel, Longbin Li

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@gmail.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


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^ permalink raw reply related	[flat|nested] 6+ messages in thread
end of thread, other threads:[~2025-12-16 22:48 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-12-14 23:29 [PATCH] clk: spacemit: Fix module build for spacemit common ccu driver Inochi Amaoto
2025-12-15  2:54 ` Troy Mitchell
2025-12-15 22:18   ` Yixun Lan
2025-12-15 22:12 ` Yixun Lan
2025-12-16 14:48   ` Yixun Lan
2025-12-16 22:47     ` Inochi Amaoto

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