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Date: Fri, 24 Apr 2015 16:47:26 +0200 From: Tomeu Vizoso <tomeu.vizoso@...labora.com> To: linux-kernel@...r.kernel.org Cc: Thierry Reding <thierry.reding@...il.com>, Stéphane Marchesin <marcheu@...omium.org>, Alexander Holler <holler@...oftware.de>, Olof Johansson <olof@...om.net>, Grant Likely <grant.likely@...aro.org>, Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org, Mark Rutland <mark.rutland@....com>, Tomeu Vizoso <tomeu.vizoso@...labora.com> Subject: [RFC 10/12] pwm: Probe PWM chip devices on demand When looking up a PWM chip through its DT node, ensure that the corresponding device has been registered. --- drivers/pwm/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index ba34c7d..31f486c 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -24,6 +24,7 @@ #include <linux/radix-tree.h> #include <linux/list.h> #include <linux/mutex.h> +#include <linux/of_platform.h> #include <linux/err.h> #include <linux/slab.h> #include <linux/device.h> @@ -479,6 +480,8 @@ static struct pwm_chip *of_node_to_pwmchip(struct device_node *np) { struct pwm_chip *chip; + of_platform_device_ensure(np); + mutex_lock(&pwm_lock); list_for_each_entry(chip, &pwm_chips, list) -- 2.3.6 -- 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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