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[RESEND] spmi: Include OF based modalias in device uevent

Message ID 20170629214644.16876-1-bjorn.andersson@linaro.org
State New
Headers show

Commit Message

Bjorn Andersson June 29, 2017, 9:46 p.m. UTC 
Include the OF-based modalias in the uevent sent when registering SPMI
devices, so that user space has a chance to autoload the kernel module
for the device.

Tested-by: Rob Clark <robdclark@gmail.com>

Reported-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

---

Resend to collect Rob's T-b and Stephen's R-b, and add Greg as recipient.

 drivers/spmi/spmi.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

-- 
2.12.0
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Patch

diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
index 2b9b0941d9eb..6d23226e5f69 100644
--- a/drivers/spmi/spmi.c
+++ b/drivers/spmi/spmi.c
@@ -365,11 +365,23 @@  static int spmi_drv_remove(struct device *dev)
 	return 0;
 }
 
+static int spmi_drv_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+	int ret;
+
+	ret = of_device_uevent_modalias(dev, env);
+	if (ret != -ENODEV)
+		return ret;
+
+	return 0;
+}
+
 static struct bus_type spmi_bus_type = {
 	.name		= "spmi",
 	.match		= spmi_device_match,
 	.probe		= spmi_drv_probe,
 	.remove		= spmi_drv_remove,
+	.uevent		= spmi_drv_uevent,
 };
 
 /**