[PATCH v7 15/20] pinctrl: Probe pinctrl devices on demand
From: Tomeu Vizoso <hidden>
Date: 2015-09-29 09:15:13
Also in:
linux-acpi, linux-arm-kernel, lkml
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
When looking up a pin controller 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> Acked-by: Linus Walleij <redacted> --- drivers/pinctrl/devicetree.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index fe04e748dfe4..f5340b8e1dbe 100644
--- a/drivers/pinctrl/devicetree.c
+++ b/drivers/pinctrl/devicetree.c@@ -18,6 +18,7 @@ #include <linux/device.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/pinctrl/pinctrl.h> #include <linux/slab.h>
@@ -110,6 +111,8 @@ static int dt_to_map_one_config(struct pinctrl *p, const char *statename, struct pinctrl_map *map; unsigned num_maps; + of_device_probe(np_config); + /* Find the pin controller containing np_config */ np_pctldev = of_node_get(np_config); for (;;) {
--
2.4.3