scripts/gdb: bail early if there are no generic PD
authorFlorian Fainelli <f.fainelli@gmail.com>
Thu, 23 Mar 2023 23:16:57 +0000 (16:16 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 11 May 2023 14:03:28 +0000 (23:03 +0900)
commit7035d8b73af22a2cf82ec8055af0577464b533e4
treea5524d681feec87e45aa518f3f0782c5f4f78197
parentce813763646407b1e6ca80a3b79b2d7675e94c3d
scripts/gdb: bail early if there are no generic PD

[ Upstream commit f19c3c2959e465209ade1a7a699e6cbf4359ce78 ]

Avoid generating an exception if there are no generic power domain(s)
registered:

(gdb) lx-genpd-summary
domain                          status          children
    /device                                             runtime status
----------------------------------------------------------------------
Python Exception <class 'gdb.error'>: No symbol "gpd_list" in current context.
Error occurred in Python: No symbol "gpd_list" in current context.
(gdb) quit

[f.fainelli@gmail.com: correctly invoke gdb_eval_or_none]
Link: https://lkml.kernel.org/r/20230327185746.3856407-1-f.fainelli@gmail.com
Link: https://lkml.kernel.org/r/20230323231659.3319941-1-f.fainelli@gmail.com
Fixes: 8207d4a88e1e ("scripts/gdb: add lx-genpd-summary command")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Leonard Crestez <leonard.crestez@nxp.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
scripts/gdb/linux/genpd.py