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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 <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Mordechay Goodstein 2018-04-09 15:52:16 +03:00 committed by Luca Coelho
parent 4799ea53a5
commit 75e9947ea4
1 changed files with 9 additions and 1 deletions
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10
drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
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@ -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)