[PATCH v6 19/22] power-supply: Probe power supplies on demand
From: Tomeu Vizoso <hidden>
Date: 2015-09-21 14:04:55
Also in:
linux-acpi, linux-arm-kernel, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
When looking up a power supply 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> --- drivers/power/power_supply_core.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c
index 456987c88baa..80bc89f4ae89 100644
--- a/drivers/power/power_supply_core.c
+++ b/drivers/power/power_supply_core.c@@ -19,6 +19,7 @@ #include <linux/err.h> #include <linux/power_supply.h> #include <linux/thermal.h> +#include <linux/of_device.h> #include "power_supply.h" /* exported for the APM Power driver, APM emulation */
@@ -206,6 +207,8 @@ static int power_supply_find_supply_from_node(struct device_node *supply_node) { int error; + of_device_probe(supply_node); + /* * class_for_each_device() either returns its own errors or values * returned by __power_supply_find_supply_from_node().
--
2.4.3