diff options
Diffstat (limited to 'drivers/platform/chrome/cros_ec_debugfs.c')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_debugfs.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index 6bf6f0e7b597..92ac9a2f9c88 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -7,6 +7,7 @@ #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/fs.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/platform_data/cros_ec_commands.h> @@ -25,6 +26,10 @@ #define CIRC_ADD(idx, size, value) (((idx) + (value)) & ((size) - 1)) +static unsigned int log_poll_period_ms = LOG_POLL_SEC * MSEC_PER_SEC; +module_param(log_poll_period_ms, uint, 0644); +MODULE_PARM_DESC(log_poll_period_ms, "EC log polling period(ms)"); + /* waitqueue for log readers */ static DECLARE_WAIT_QUEUE_HEAD(cros_ec_debugfs_log_wq); @@ -56,7 +61,7 @@ struct cros_ec_debugfs { /* * We need to make sure that the EC log buffer on the UART is large enough, - * so that it is unlikely enough to overlow within LOG_POLL_SEC. + * so that it is unlikely enough to overlow within log_poll_period_ms. */ static void cros_ec_console_log_work(struct work_struct *__work) { @@ -118,7 +123,7 @@ static void cros_ec_console_log_work(struct work_struct *__work) resched: schedule_delayed_work(&debug_info->log_poll_work, - msecs_to_jiffies(LOG_POLL_SEC * 1000)); + msecs_to_jiffies(log_poll_period_ms)); } static int cros_ec_console_log_open(struct inode *inode, struct file *file) @@ -297,7 +302,6 @@ static const struct file_operations cros_ec_console_log_fops = { .owner = THIS_MODULE, .open = cros_ec_console_log_open, .read = cros_ec_console_log_read, - .llseek = no_llseek, .poll = cros_ec_console_log_poll, .release = cros_ec_console_log_release, }; @@ -329,6 +333,7 @@ static int ec_read_version_supported(struct cros_ec_dev *ec) if (!msg) return 0; + msg->version = 1; msg->command = EC_CMD_GET_CMD_VERSIONS + ec->cmd_offset; msg->outsize = sizeof(*params); msg->insize = sizeof(*response); @@ -564,6 +569,12 @@ static int __maybe_unused cros_ec_debugfs_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(cros_ec_debugfs_pm_ops, cros_ec_debugfs_suspend, cros_ec_debugfs_resume); +static const struct platform_device_id cros_ec_debugfs_id[] = { + { DRV_NAME, 0 }, + {} +}; +MODULE_DEVICE_TABLE(platform, cros_ec_debugfs_id); + static struct platform_driver cros_ec_debugfs_driver = { .driver = { .name = DRV_NAME, @@ -571,11 +582,11 @@ static struct platform_driver cros_ec_debugfs_driver = { .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, .probe = cros_ec_debugfs_probe, - .remove_new = cros_ec_debugfs_remove, + .remove = cros_ec_debugfs_remove, + .id_table = cros_ec_debugfs_id, }; module_platform_driver(cros_ec_debugfs_driver); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Debug logs for ChromeOS EC"); -MODULE_ALIAS("platform:" DRV_NAME); |