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Date: Thu, 6 Aug 2015 16:11:48 +0200 From: Tomeu Vizoso <tomeu.vizoso@...labora.com> To: linux-kernel@...r.kernel.org Cc: Rob Herring <robh+dt@...nel.org>, Stephen Warren <swarren@...dotorg.org>, Javier Martinez Canillas <javier@....samsung.com>, Mark Brown <broonie@...nel.org>, Thierry Reding <thierry.reding@...il.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, linux-arm-kernel@...ts.infradead.org, Dmitry Torokhov <dmitry.torokhov@...il.com>, devicetree@...r.kernel.org, Linus Walleij <linus.walleij@...aro.org>, linux-acpi@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, Tomeu Vizoso <tomeu.vizoso@...labora.com> Subject: [PATCH v3 11/18] backlight: Probe backlight devices on demand When looking up a backlight device 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@...labora.com> --- Changes in v3: None Changes in v2: None drivers/video/backlight/backlight.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b17a4d8..cad854196ee3 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/fb.h> #include <linux/slab.h> +#include <linux/of_platform.h> #ifdef CONFIG_PMAC_BACKLIGHT #include <asm/backlight.h> @@ -559,6 +560,8 @@ struct backlight_device *of_find_backlight_by_node(struct device_node *node) { struct device *dev; + of_platform_probe(node); + dev = class_find_device(backlight_class, NULL, node, of_parent_match); return dev ? to_backlight_device(dev) : NULL; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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