diff options
| author | Rob Barnes <robbarnes@google.com> | 2024-05-07 15:58:09 +0000 |
|---|---|---|
| committer | Tzung-Bi Shih <tzungbi@kernel.org> | 2024-05-29 05:09:28 +0000 |
| commit | 7b44d5381e541de3da3cee2e948456b250f41f25 (patch) | |
| tree | aafc6bf94c102b79e6211923e87ee0fbe645d612 /drivers/platform/chrome | |
| parent | 47ef58cdbd7fae42f1adcb6015fdc05ce2b2471e (diff) | |
platform/chrome: cros_ec_debugfs: Make log polling period a parameter
Make EC log polling period a module parameter. This allows the polling
period to be set via the kernel command line. Keeping the default at
the current 10 second period. The optimal polling period will differ by
board.
Signed-off-by: Rob Barnes <robbarnes@google.com>
Link: https://lore.kernel.org/r/20240507155809.525701-1-robbarnes@google.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Diffstat (limited to 'drivers/platform/chrome')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_debugfs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/platform/chrome/cros_ec_debugfs.c b/drivers/platform/chrome/cros_ec_debugfs.c index e1d313246beb..f0e9efb543df 100644 --- a/drivers/platform/chrome/cros_ec_debugfs.c +++ b/drivers/platform/chrome/cros_ec_debugfs.c @@ -26,6 +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); @@ -57,7 +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) { @@ -119,7 +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) |