[PATCH v4 15/22] clk: Probe clk providers on demand
From: Tomeu Vizoso <hidden>
Date: 2015-09-07 12:29:19
Also in:
linux-acpi, linux-clk, linux-devicetree, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Linus Torvalds
When looking up a clock through its OF node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso <redacted> --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/clk/clk.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 43e2c3ad6c31..e5fe02a11c36 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c@@ -19,6 +19,7 @@ #include <linux/list.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/device.h> #include <linux/init.h> #include <linux/sched.h>
@@ -3004,6 +3005,8 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, if (!clkspec) return ERR_PTR(-EINVAL); + of_device_probe(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) {
--
2.4.3