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path: root/drivers/net/wireless/intel/iwlwifi/fw/debugfs.c
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2019-02-20iwlwifi: fw: no need to check return value of debugfs_create functionsGreg Kroah-Hartman1-8/+3
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Johannes Berg <johannes.berg@intel.com> Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Cc: Luca Coelho <luciano.coelho@intel.com> Cc: Intel Linux Wireless <linuxwifi@intel.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: linux-wireless@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-10-06iwlwifi: add debugfs to send host commandShahar S Matityahu1-0/+64
Add debugfs to send host command in mvm and fmac op modes. Allows to send host command at runtime via send_hcmd debugfs file. The command is received as a string that represents hex values. The struct of the command is as follows: [cmd_id][flags][length][data] cmd_id and flags are 8 chars long each. length is 4 chars long. data is length * 2 chars long. Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-08-31iwlwifi: remove all occurrences of the FSF address paragraphLuca Coelho1-3/+0
The Free Software Foundation address is superfluous and causes checkpatch to issue a warning when present. Remove all paragraphs with FSF's address to prevent that. Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-08-31iwlwifi: enable reading the value of delay in timestamp_marker cmdMordechay Goodstein1-1/+9
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>
2018-08-31iwlwifi: runtime: avoid calling debugfs read functions more than onceNaftali Goldstein1-24/+87
Upon first calling read() on a debugfs file, invoke iwl_dbgfs_##name##_read and store the response buffer on the heap, so subsequent read() calls don't need to invoke said function again. This is done because cat etc will call read() repeatedly until EOF is reached (or read() returns 0), which in the current implementation will cause said function to be invoked multiple times. With the current implementation this can also cause buggy behavior in some weird edge cases where the first invocation returns a string of length n, and the second of length m>n: The last m-n characters of the second invocation will be printed to screen. Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-04-20iwlwifi: move timestamp functions from debugfs.h to dbg.hHaim Dreyfuss1-0/+1
These functions are not debugfs functions so they should be in dbg.h instad in debugfs.h. Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-28iwlwifi: set default timstamp marker cmdMordechay Goodstein1-9/+15
In case debug configuration is started with LDBG cmd also start timestamp marker for syncing logs witn the FW. Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
2018-03-27wireless: Use octal not symbolic permissionsJoe Perches1-1/+1
Prefer the direct use of octal for permissions. Done with checkpatch -f --types=SYMBOLIC_PERMS --fix-inplace and some typing. Miscellanea: o Whitespace neatening around these conversions. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2017-12-20iwlwifi: runtime: sync FW and host clocks for logsMordechay Goodstein1-0/+195
For sync we send a marker cmd every <defined throughout debugfs> seconds. The trigger for getting gp2 clock values from the FW is set by writing to debugfs a periodic time in seconds, if value zero is written, only one request would be sent and the timer would be canceled. Also added a small infrastructure for debugfs runtime code. Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>