diff options
| -rw-r--r-- | Documentation/driver-api/pps.rst | 3 | ||||
| -rw-r--r-- | drivers/pps/generators/pps_gen-dummy.c | 2 | ||||
| -rw-r--r-- | drivers/pps/generators/pps_gen.c | 14 | ||||
| -rw-r--r-- | drivers/pps/generators/sysfs.c | 6 | ||||
| -rw-r--r-- | include/linux/pps_gen_kernel.h | 4 |
5 files changed, 14 insertions, 15 deletions
diff --git a/Documentation/driver-api/pps.rst b/Documentation/driver-api/pps.rst index 71ad04c82d6c..04f1b88778fc 100644 --- a/Documentation/driver-api/pps.rst +++ b/Documentation/driver-api/pps.rst @@ -206,8 +206,7 @@ To do so the class pps-gen has been added. PPS generators can be registered in the kernel by defining a struct pps_gen_source_info as follows:: - static struct pps_gen_source_info pps_gen_dummy_info = { - .name = "dummy", + static const struct pps_gen_source_info pps_gen_dummy_info = { .use_system_clock = true, .get_time = pps_gen_dummy_get_time, .enable = pps_gen_dummy_enable, diff --git a/drivers/pps/generators/pps_gen-dummy.c b/drivers/pps/generators/pps_gen-dummy.c index b284c200cbe5..55de4aecf35e 100644 --- a/drivers/pps/generators/pps_gen-dummy.c +++ b/drivers/pps/generators/pps_gen-dummy.c @@ -61,7 +61,7 @@ static int pps_gen_dummy_enable(struct pps_gen_device *pps_gen, bool enable) * The PPS info struct */ -static struct pps_gen_source_info pps_gen_dummy_info = { +static const struct pps_gen_source_info pps_gen_dummy_info = { .use_system_clock = true, .get_time = pps_gen_dummy_get_time, .enable = pps_gen_dummy_enable, diff --git a/drivers/pps/generators/pps_gen.c b/drivers/pps/generators/pps_gen.c index ca592f1736f4..5b8bb454913c 100644 --- a/drivers/pps/generators/pps_gen.c +++ b/drivers/pps/generators/pps_gen.c @@ -66,7 +66,7 @@ static long pps_gen_cdev_ioctl(struct file *file, if (ret) return -EFAULT; - ret = pps_gen->info.enable(pps_gen, status); + ret = pps_gen->info->enable(pps_gen, status); if (ret) return ret; pps_gen->enabled = status; @@ -76,7 +76,7 @@ static long pps_gen_cdev_ioctl(struct file *file, case PPS_GEN_USESYSTEMCLOCK: dev_dbg(pps_gen->dev, "PPS_GEN_USESYSTEMCLOCK\n"); - ret = put_user(pps_gen->info.use_system_clock, uiuarg); + ret = put_user(pps_gen->info->use_system_clock, uiuarg); if (ret) return -EFAULT; @@ -175,7 +175,7 @@ static int pps_gen_register_cdev(struct pps_gen_device *pps_gen) devt = MKDEV(MAJOR(pps_gen_devt), pps_gen->id); cdev_init(&pps_gen->cdev, &pps_gen_cdev_fops); - pps_gen->cdev.owner = pps_gen->info.owner; + pps_gen->cdev.owner = pps_gen->info->owner; err = cdev_add(&pps_gen->cdev, devt, 1); if (err) { @@ -183,8 +183,8 @@ static int pps_gen_register_cdev(struct pps_gen_device *pps_gen) MAJOR(pps_gen_devt), pps_gen->id); goto free_ida; } - pps_gen->dev = device_create(pps_gen_class, pps_gen->info.parent, devt, - pps_gen, "pps-gen%d", pps_gen->id); + pps_gen->dev = device_create(pps_gen_class, pps_gen->info->parent, devt, + pps_gen, "pps-gen%d", pps_gen->id); if (IS_ERR(pps_gen->dev)) { err = PTR_ERR(pps_gen->dev); goto del_cdev; @@ -225,7 +225,7 @@ static void pps_gen_unregister_cdev(struct pps_gen_device *pps_gen) * Return: the PPS generator device in case of success, and ERR_PTR(errno) * otherwise. */ -struct pps_gen_device *pps_gen_register_source(struct pps_gen_source_info *info) +struct pps_gen_device *pps_gen_register_source(const struct pps_gen_source_info *info) { struct pps_gen_device *pps_gen; int err; @@ -235,7 +235,7 @@ struct pps_gen_device *pps_gen_register_source(struct pps_gen_source_info *info) err = -ENOMEM; goto pps_gen_register_source_exit; } - pps_gen->info = *info; + pps_gen->info = info; pps_gen->enabled = false; init_waitqueue_head(&pps_gen->queue); diff --git a/drivers/pps/generators/sysfs.c b/drivers/pps/generators/sysfs.c index faf8b1c6d202..6d6bc0006fea 100644 --- a/drivers/pps/generators/sysfs.c +++ b/drivers/pps/generators/sysfs.c @@ -19,7 +19,7 @@ static ssize_t system_show(struct device *dev, struct device_attribute *attr, { struct pps_gen_device *pps_gen = dev_get_drvdata(dev); - return sysfs_emit(buf, "%d\n", pps_gen->info.use_system_clock); + return sysfs_emit(buf, "%d\n", pps_gen->info->use_system_clock); } static DEVICE_ATTR_RO(system); @@ -30,7 +30,7 @@ static ssize_t time_show(struct device *dev, struct device_attribute *attr, struct timespec64 time; int ret; - ret = pps_gen->info.get_time(pps_gen, &time); + ret = pps_gen->info->get_time(pps_gen, &time); if (ret) return ret; @@ -49,7 +49,7 @@ static ssize_t enable_store(struct device *dev, struct device_attribute *attr, if (ret) return ret; - ret = pps_gen->info.enable(pps_gen, status); + ret = pps_gen->info->enable(pps_gen, status); if (ret) return ret; pps_gen->enabled = status; diff --git a/include/linux/pps_gen_kernel.h b/include/linux/pps_gen_kernel.h index 022ea0ac4440..6214c8aa2e02 100644 --- a/include/linux/pps_gen_kernel.h +++ b/include/linux/pps_gen_kernel.h @@ -43,7 +43,7 @@ struct pps_gen_source_info { /* The main struct */ struct pps_gen_device { - struct pps_gen_source_info info; /* PSS generator info */ + const struct pps_gen_source_info *info; /* PSS generator info */ bool enabled; /* PSS generator status */ unsigned int event; @@ -70,7 +70,7 @@ extern const struct attribute_group *pps_gen_groups[]; */ extern struct pps_gen_device *pps_gen_register_source( - struct pps_gen_source_info *info); + const struct pps_gen_source_info *info); extern void pps_gen_unregister_source(struct pps_gen_device *pps_gen); extern void pps_gen_event(struct pps_gen_device *pps_gen, unsigned int event, void *data); |