Messages in this thread Patch in this message | | | From | Tomeu Vizoso <> | Subject | [PATCH v4 06/22] gpio: Probe pinctrl devices on demand | Date | Mon, 7 Sep 2015 14:23:31 +0200 |
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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 <tomeu.vizoso@collabora.com> ---
Changes in v4: None Changes in v3: None Changes in v2: None
drivers/gpio/gpiolib-of.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 9a439dab7a87..05da9a56608d 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -359,6 +359,8 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; + of_device_probe(pinspec.np); + pctldev = of_pinctrl_get(pinspec.np); if (!pctldev) return -EPROBE_DEFER; -- 2.4.3
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