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Groups > linux.kernel > #1220112
| From | Tomeu Vizoso <tomeu.vizoso@collabora.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 06/22] gpio: Probe pinctrl devices on demand |
| Date | 2015-09-07 14:30 +0200 |
| Message-ID | <q63IC-5sL-13@gated-at.bofh.it> (permalink) |
| References | <q63IB-5sL-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v4 06/22] gpio: Probe pinctrl devices on demand Tomeu Vizoso <tomeu.vizoso@collabora.com> - 2015-09-07 14:30 +0200
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