Commit 988b2686 authored May 14, 2019 by Leonard Crestez Committed by Linus Torvalds May 14, 2019

scripts/gdb: add $lx_clk_core_lookup function

Finding an individual clk_core requires walking the tree which can be
quite complicated so add a helper for easy access.

(gdb) print *(struct clk_scu*)$lx_clk_core_lookup("uart0_clk")->hw

Link: http://lkml.kernel.org/r/Message-ID

:
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent d1e9710b

scripts/gdb/linux/clk.py

+23 −0

Original line number	Diff line number	Diff line
		@@ -44,3 +44,26 @@ class LxClkSummary(gdb.Command):


		LxClkSummary()


		class LxClkCoreLookup(gdb.Function):
		"""Find struct clk_core by name"""

		def __init__(self):
		super(LxClkCoreLookup, self).__init__("lx_clk_core_lookup")

		def lookup_hlist(self, hlist_head, name):
		for child in clk_core_for_each_child(hlist_head):
		if child['name'].string() == name:
		return child
		result = self.lookup_hlist(child['children'], name)
		if result:
		return result

		def invoke(self, name):
		name = name.string()
		return (self.lookup_hlist(gdb.parse_and_eval("clk_root_list"), name) or
		self.lookup_hlist(gdb.parse_and_eval("clk_orphan_list"), name))


		LxClkCoreLookup()