From 75e9947ea42de92ab330a9761bc6f5862720260d Mon Sep 17 00:00:00 2001 From: Mordechay Goodstein Date: Mon, 9 Apr 2018 15:52:16 +0300 Subject: [PATCH] iwlwifi: enable reading the value of delay in timestamp_marker cmd 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 Signed-off-by: Luca Coelho --- 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 2dd534b..c1f087c 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) -- 2.7.4