Messages in this thread Patch in this message | | | From | Johan Hovold <> | Subject | [PATCH 2/2] serdev: only match serdev devices | Date | Mon, 8 Jan 2018 13:42:33 +0100 |
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Only serdev devices (a.k.a. clients or slaves) are bound to drivers so bail out early from match() in case the device is not a serdev device (i.e. if it's a serdev controller).
Signed-off-by: Johan Hovold <johan@kernel.org> --- drivers/tty/serdev/core.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 61c85e49e178..a30e237eb98c 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -63,6 +63,11 @@ static const struct device_type serdev_device_type = { .release = serdev_device_release, }; +static bool is_serdev_device(const struct device *dev) +{ + return dev->type == &serdev_device_type; +} + static void serdev_ctrl_release(struct device *dev) { struct serdev_controller *ctrl = to_serdev_controller(dev); @@ -76,6 +81,9 @@ static const struct device_type serdev_ctrl_type = { static int serdev_device_match(struct device *dev, struct device_driver *drv) { + if (!is_serdev_device(dev)) + return 0; + /* TODO: platform matching */ if (acpi_driver_match_device(dev, drv)) return 1; -- 2.15.1
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