From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ricardo Ribalda Delgado Subject: [PATCH 09/19] serdev: Provide modalias uevent for modalias devices Date: Tue, 29 May 2018 15:10:04 +0200 Message-ID: <20180529131014.18641-10-ricardo.ribalda@gmail.com> References: <20180529131014.18641-1-ricardo.ribalda@gmail.com> Return-path: In-Reply-To: <20180529131014.18641-1-ricardo.ribalda@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Cc: Ricardo Ribalda Delgado , Rob Herring , Johan Hovold , Greg Kroah-Hartman , Jiri Slaby List-Id: linux-serial@vger.kernel.org Create the sysfs uevent for modalias devices. This is required by newer versions of udev for autoload modules. Cc: Rob Herring Cc: Johan Hovold Cc: Greg Kroah-Hartman Cc: Jiri Slaby Signed-off-by: Ricardo Ribalda Delgado --- drivers/tty/serdev/core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index a9c935f68076..9414700e6442 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -46,6 +46,7 @@ ATTRIBUTE_GROUPS(serdev_device); static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) { int rc; + struct serdev_device *serdev = to_serdev_device(dev); /* TODO: platform modalias */ @@ -53,7 +54,11 @@ static int serdev_device_uevent(struct device *dev, struct kobj_uevent_env *env) if (rc != -ENODEV) return rc; - return of_device_uevent_modalias(dev, env); + if (rc != of_device_uevent_modalias(dev, env)) + return rc; + + return add_uevent_var(env, "MODALIAS=%s%s", SERDEV_MODULE_PREFIX, + serdev->modalias); } static void serdev_device_release(struct device *dev) -- 2.17.0