[PATCH 17/21] clk: Probe clk providers on demand

[Tomeu Vizoso]

When looking up a clk through its DT node, ensure that the corresponding
device has been registered.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
---
 drivers/clk/clk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 5b0f418..f9e8a8d 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -18,6 +18,7 @@
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/sched.h>
@@ -2985,6 +2986,8 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec,
 	if (!clkspec)
 		return ERR_PTR(-EINVAL);
 
+	of_platform_device_ensure(clkspec->np);
+
 	/* Check if we have such a provider in our array */
 	mutex_lock(&of_clk_mutex);
 	list_for_each_entry(provider, &of_clk_providers, link) {
-- 
2.4.1

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