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author | Evan Green <evgreen@chromium.org> | 2019-01-02 16:02:12 -0800 |
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committer | Andy Gross <andy.gross@linaro.org> | 2019-02-01 16:08:27 -0600 |
commit | b4aa93bca91318a8cf832b9fd34a830e44660d50 (patch) | |
tree | 5350f1d5869ded875a592f3efce28e6d5ba5a86e /drivers/soc/qcom | |
parent | 4eccc154b3866e59358f1102045d23a301dffe0a (diff) | |
download | linux-stable-b4aa93bca91318a8cf832b9fd34a830e44660d50.tar.gz linux-stable-b4aa93bca91318a8cf832b9fd34a830e44660d50.tar.bz2 linux-stable-b4aa93bca91318a8cf832b9fd34a830e44660d50.zip |
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: Brian Norris <briannorris@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/soc/qcom')
-rw-r--r-- | drivers/soc/qcom/rmtfs_mem.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/soc/qcom/rmtfs_mem.c b/drivers/soc/qcom/rmtfs_mem.c index 97bb5989aa21..b2fa8fc8016c 100644 --- a/drivers/soc/qcom/rmtfs_mem.c +++ b/drivers/soc/qcom/rmtfs_mem.c @@ -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); |