| Message ID | 1441628627-5143-7-git-send-email-tomeu.vizoso@collabora.com |
|---|---|
| State | New |
| Headers | show |
On Mon, Sep 7, 2015 at 5:23 AM, Tomeu Vizoso <tomeu.vizoso@collabora.com> wrote: Nit: prefix patch with "pinctrl:" > 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 Acked-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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;
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(+)