From 011f2c26f1b62e309f2eac6a3101bfe0a3c76c7e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Fri, 2 Dec 2016 11:50:26 +0100 Subject: brcm2708: update linux 4.4 patches to latest version MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas --- ...dalias-uevents-for-the-DSI-devices-we-cre.patch | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 target/linux/brcm2708/patches-4.4/0447-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch (limited to 'target/linux/brcm2708/patches-4.4/0447-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch') diff --git a/target/linux/brcm2708/patches-4.4/0447-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch b/target/linux/brcm2708/patches-4.4/0447-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch new file mode 100644 index 0000000000..a49e71c909 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0447-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch @@ -0,0 +1,48 @@ +From b948504b2bfdcb24e774c8801ee6d118e5e3ca90 Mon Sep 17 00:00:00 2001 +From: Eric Anholt +Date: Tue, 9 Aug 2016 15:13:33 -0700 +Subject: [PATCH] drm: Emit modalias uevents for the DSI devices we create. + +This gets the Raspberry Pi panel module to automatically load at boot +time. + +Signed-off-by: Eric Anholt +--- + drivers/gpu/drm/drm_mipi_dsi.c | 19 +++++++++++++++++++ + 1 file changed, 19 insertions(+) + +--- a/drivers/gpu/drm/drm_mipi_dsi.c ++++ b/drivers/gpu/drm/drm_mipi_dsi.c +@@ -50,6 +50,24 @@ static int mipi_dsi_device_match(struct + return of_driver_match_device(dev, drv); + } + ++/** ++ * Send modalias events when devices are created on the bus, so that ++ * modules can load automatically. ++ */ ++static int mipi_dsi_uevent(struct device *dev, struct kobj_uevent_env *env) ++{ ++ int rc; ++ ++ /* Just do the OF uevent, which emits the compatible string so ++ * that a MODULE_DEVICE_TABLE(of, ...) works. ++ */ ++ rc = of_device_uevent_modalias(dev, env); ++ if (rc != -ENODEV) ++ return rc; ++ ++ return 0; ++} ++ + static const struct dev_pm_ops mipi_dsi_device_pm_ops = { + .runtime_suspend = pm_generic_runtime_suspend, + .runtime_resume = pm_generic_runtime_resume, +@@ -65,6 +83,7 @@ static struct bus_type mipi_dsi_bus_type + .name = "mipi-dsi", + .match = mipi_dsi_device_match, + .pm = &mipi_dsi_device_pm_ops, ++ .uevent = mipi_dsi_uevent, + }; + + static int of_device_match(struct device *dev, void *data) -- cgit v1.2.3