[PATCH 18/21] pinctrl: Probe pinctrl devices on demand
From: Tomeu Vizoso <hidden>
Date: 2015-05-25 14:58:43
Also in:
linux-gpio, lkml
Subsystem:
pin control subsystem, the rest · Maintainers:
Linus Walleij, Linus Torvalds
When looking up a pin controller through its DT node, ensure that the corresponding device has been registered. Signed-off-by: Tomeu Vizoso <redacted> --- drivers/pinctrl/devicetree.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c
index 0bbf7d7..17231ea 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_platform.h> #include <linux/pinctrl/pinctrl.h> #include <linux/slab.h>
@@ -118,6 +119,7 @@ static int dt_to_map_one_config(struct pinctrl *p, const char *statename, /* Find the pin controller containing np_config */ np_pctldev = of_node_get(np_config); + of_platform_device_ensure(np_pctldev); for (;;) { np_pctldev = of_get_next_parent(np_pctldev); if (!np_pctldev || of_node_is_root(np_pctldev)) {
--
2.4.1