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| author | Johan Hovold <johan@kernel.org> | 2018-01-09 19:09:17 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-22 16:19:10 +0300 |
| commit | 7ee69102dbc4eea90f46a24f16961226a477dd4c (patch) | |
| tree | c00b7db06a656fabb01d33b1ea926b1a93554585 /drivers/tty/serdev/core.c | |
| parent | 2460942f51f1f262e77072c9a7c963a1b047a367 (diff) | |
| download | linux-7ee69102dbc4eea90f46a24f16961226a477dd4c.tar.xz | |
serdev: only match serdev devices
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>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serdev/core.c')
| -rw-r--r-- | drivers/tty/serdev/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index c8c43834477b..f710862f5c06 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; |