This patch ensures DT clock providers are only initialized once by
using a static bool that is set after first call to of_clk_init().
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselba...@gmail.com>
---
Cc: Mike Turquette <mturque...@linaro.org>
Cc: Russell King <li...@arm.linux.org.uk>
Cc: Arnd Bergmann <a...@arndb.de>
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
drivers/clk/clk.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 56a00db..0a8a750 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2117,9 +2117,15 @@ EXPORT_SYMBOL_GPL(of_clk_get_parent_name);
void __init of_clk_init(const struct of_device_id *matches)
{
struct device_node *np;
+ static bool table_done;
- if (!matches)
+ if (!matches) {
+ /* init __clk_of_table drivers only once */
+ if (table_done)
+ return;
matches = __clk_of_table;
+ table_done = true;
+ }
for_each_matching_node(np, matches) {
const struct of_device_id *match = of_match_node(matches, np);
--
1.7.10.4
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