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Commit b4aa93bc authored by Evan Green's avatar Evan Green Committed by Andy Gross
Browse files

soc: qcom: rmtfs-mem: Add class to enable uevents 



Currently the qcom_rmtfs_memN devices are entirely invisible to the udev world.
Add a class to the rmtfs device so that uevents fire when the device is added.

Reviewed-by: default avatarBrian Norris <briannorris@chromium.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarEvan Green <evgreen@chromium.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarAndy Gross <andy.gross@linaro.org>
parent 4eccc154

drivers/soc/qcom/rmtfs_mem.c

+21 −5
Original line number Diff line number Diff line
@@ -132,6 +132,11 @@ static int qcom_rmtfs_mem_release(struct inode *inode, struct file *filp) 
	return 0;

}



static struct class rmtfs_class = {

	.owner          = THIS_MODULE,

	.name           = "rmtfs",

};



static const struct file_operations qcom_rmtfs_mem_fops = {

	.owner = THIS_MODULE,

	.open = qcom_rmtfs_mem_open,
@@ -199,6 +204,7 @@ static int qcom_rmtfs_mem_probe(struct platform_device *pdev) 


	dev_set_name(&rmtfs_mem->dev, "qcom_rmtfs_mem%d", client_id);

	rmtfs_mem->dev.id = client_id;

	rmtfs_mem->dev.class = &rmtfs_class;

	rmtfs_mem->dev.devt = MKDEV(MAJOR(qcom_rmtfs_mem_major), client_id);



	ret = cdev_device_add(&rmtfs_mem->cdev, &rmtfs_mem->dev);
@@ -277,32 +283,42 @@ static struct platform_driver qcom_rmtfs_mem_driver = { 
	},

};



static int qcom_rmtfs_mem_init(void)

static int __init qcom_rmtfs_mem_init(void)

{

	int ret;



	ret = class_register(&rmtfs_class);

	if (ret)

		return ret;



	ret = alloc_chrdev_region(&qcom_rmtfs_mem_major, 0,

				  QCOM_RMTFS_MEM_DEV_MAX, "qcom_rmtfs_mem");

	if (ret < 0) {

		pr_err("qcom_rmtfs_mem: failed to allocate char dev region\n");

		return ret;

		goto unregister_class;

	}



	ret = platform_driver_register(&qcom_rmtfs_mem_driver);

	if (ret < 0) {

		pr_err("qcom_rmtfs_mem: failed to register rmtfs_mem driver\n");

		unregister_chrdev_region(qcom_rmtfs_mem_major,

					 QCOM_RMTFS_MEM_DEV_MAX);

		goto unregister_chrdev;

	}



	return 0;



unregister_chrdev:

	unregister_chrdev_region(qcom_rmtfs_mem_major, QCOM_RMTFS_MEM_DEV_MAX);

unregister_class:

	class_unregister(&rmtfs_class);

	return ret;

}

module_init(qcom_rmtfs_mem_init);



static void qcom_rmtfs_mem_exit(void)

static void __exit qcom_rmtfs_mem_exit(void)

{

	platform_driver_unregister(&qcom_rmtfs_mem_driver);

	unregister_chrdev_region(qcom_rmtfs_mem_major, QCOM_RMTFS_MEM_DEV_MAX);

	class_unregister(&rmtfs_class);

}

module_exit(qcom_rmtfs_mem_exit);