diff options
| author | Rajat Jain <rajatja@google.com> | 2018-04-26 17:43:50 -0700 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2018-09-28 08:57:26 +0300 |
| commit | 9a098a89df79e4cc5e743d7d4acf42bdbcc32ee7 (patch) | |
| tree | 9fbae686783cc09c1e440c47030560d0cb696dc8 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | bb03927e0eafef4d2509ff3df7550acf98efea97 (diff) | |
iwlwifi: pcie: Fail fast if HW is inaccessible at probe
If the HW is not responding at probe time, fail immediately complaining
about it. Without this, we see that the kernel spends > 100ms trying to
load firmware (even gives an incorrect impression that it actually
loaded a firmware) and do unnecesary processing before concluding that
the device is not accessible:
INFO kernel: [ 34.092678] iwlwifi 0000:01:00.0: enabling device (0000 -> 0002)
WARNING kernel: [ 34.093560] iwlwifi 0000:01:00.0: Direct firmware load for iwl-dbg-cfg.ini failed with error -2
INFO kernel: [ 34.111523] iwlwifi 0000:01:00.0: loaded firmware version 17.318154.0 op_mode iwlmvm
INFO kernel: [ 34.173250] iwlwifi 0000:01:00.0: Detected Intel(R) Dual Band Wireless AC 7265, REV=0xFFFFFFFF
ERR kernel: [ 34.198023] iwlwifi 0000:01:00.0: iwlwifi transaction failed, dumping registers
ERR kernel: [ 34.198044] iwlwifi 0000:01:00.0: iwlwifi device config registers:
Signed-off-by: Rajat Jain <rajatja@google.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions