| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- From b948504b2bfdcb24e774c8801ee6d118e5e3ca90 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)
|
