From: Mordechay Goodstein <mordechay.goodst...@intel.com>
The user can validate what was written to the file by reading it,
and check what is the default value before changing it.
Signed-off-by: Mordechay Goodstein <mordechay.goodst...@intel.com>
Signed-off-by: Luca Coelho <luciano.coe...@intel.com>
---
drivers/net/wireless/intel/iwlwifi/fw/debugfs.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
index 2dd534b474b8..c1f087c50cc9 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
@@ -251,7 +251,15 @@ static ssize_t iwl_dbgfs_timestamp_marker_write(struct
iwl_fw_runtime *fwrt,
return count;
}
-FWRT_DEBUGFS_WRITE_FILE_OPS(timestamp_marker, 10);
+static ssize_t iwl_dbgfs_timestamp_marker_read(struct iwl_fw_runtime *fwrt,
+ size_t size, char *buf)
+{
+ u32 delay_secs = jiffies_to_msecs(fwrt->timestamp.delay) / 1000;
+
+ return scnprintf(buf, size, "%d\n", delay_secs);
+}
+
+FWRT_DEBUGFS_READ_WRITE_FILE_OPS(timestamp_marker, 16);
int iwl_fwrt_dbgfs_register(struct iwl_fw_runtime *fwrt,
struct dentry *dbgfs_dir)
--
2.18.0
