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author | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-09-10 14:54:26 +0200 |
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committer | Álvaro Fernández Rojas <noltari@gmail.com> | 2016-09-10 14:54:26 +0200 |
commit | 2b1c6b21b5e6c82ebb55d7fb7df90e60e88cbb14 (patch) | |
tree | ba6d48b4fec219d07110f5d55afc19bc309d2bdb /target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch | |
parent | ac08cb06f6734ebf73ed855cbc836c566f80eaca (diff) | |
download | master-31e0f0ae-2b1c6b21b5e6c82ebb55d7fb7df90e60e88cbb14.tar.gz master-31e0f0ae-2b1c6b21b5e6c82ebb55d7fb7df90e60e88cbb14.tar.bz2 master-31e0f0ae-2b1c6b21b5e6c82ebb55d7fb7df90e60e88cbb14.zip |
brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y
Also adds support for Raspberry Pi Compute Module 3 (untested).
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch')
-rw-r--r-- | target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch b/target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch new file mode 100644 index 0000000000..77b0eca35e --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0448-drm-Emit-modalias-uevents-for-the-DSI-devices-we-cre.patch @@ -0,0 +1,48 @@ +From e46450e232a96665344b825557bacf1d37842174 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +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 <eric@anholt.net> +--- + 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) |