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pinctrl: make range registration defer properly
[firefly-linux-kernel-4.4.55.git]
/
drivers
/
pinctrl
/
core.c
diff --git
a/drivers/pinctrl/core.c
b/drivers/pinctrl/core.c
index 15f5ac864f14fb50b52ef0da22212e877a9e9690..33af811a6a3cd19cf32cd84655b80d2bc8fe3321 100644
(file)
--- a/
drivers/pinctrl/core.c
+++ b/
drivers/pinctrl/core.c
@@
-350,8
+350,13
@@
struct pinctrl_dev *pinctrl_find_and_add_gpio_range(const char *devname,
{
struct pinctrl_dev *pctldev = get_pinctrl_dev_from_devname(devname);
{
struct pinctrl_dev *pctldev = get_pinctrl_dev_from_devname(devname);
+ /*
+ * If we can't find this device, let's assume that is because
+ * it has not probed yet, so the driver trying to register this
+ * range need to defer probing.
+ */
if (!pctldev)
if (!pctldev)
- return
NULL
;
+ return
ERR_PTR(-EPROBE_DEFER)
;
pinctrl_add_gpio_range(pctldev, range);
return pctldev;
pinctrl_add_gpio_range(pctldev, range);
return pctldev;