svn commit: r299564 - head/sys/dev/gpio
Oleksandr Tymoshenko
gonzo at FreeBSD.org
Thu May 12 20:13:17 UTC 2016
Author: gonzo
Date: Thu May 12 20:13:16 2016
New Revision: 299564
URL: https://svnweb.freebsd.org/changeset/base/299564
Log:
Properly release mapped pin in gpio_pin_release
Modified:
head/sys/dev/gpio/ofw_gpiobus.c
Modified: head/sys/dev/gpio/ofw_gpiobus.c
==============================================================================
--- head/sys/dev/gpio/ofw_gpiobus.c Thu May 12 20:12:45 2016 (r299563)
+++ head/sys/dev/gpio/ofw_gpiobus.c Thu May 12 20:13:16 2016 (r299564)
@@ -139,10 +139,17 @@ gpio_pin_get_by_ofw_name(device_t consum
void
gpio_pin_release(gpio_pin_t gpio)
{
+ device_t busdev;
if (gpio == NULL)
return;
+ KASSERT(gpio->dev != NULL, ("invalid pin state"));
+
+ busdev = GPIO_GET_BUS(gpio->dev);
+ if (busdev != NULL)
+ gpiobus_release_pin(busdev, gpio->pin);
+
/* XXXX Unreserve pin. */
free(gpio, M_DEVBUF);
}
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