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Message-ID: <6cd337fb-38f0-41cb-b942-5844b84433db@roeck-us.net>
Date: Thu, 26 Sep 2024 21:14:08 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Stephen Boyd <sboyd@...nel.org>
Cc: Michael Turquette <mturquette@...libre.com>,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	patches@...ts.linux.dev, kunit-dev@...glegroups.com,
	linux-kselftest@...r.kernel.org, devicetree@...r.kernel.org,
	Brendan Higgins <brendan.higgins@...ux.dev>,
	David Gow <davidgow@...gle.com>, Rae Moar <rmoar@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Saravana Kannan <saravanak@...gle.com>,
	Daniel Latypov <dlatypov@...gle.com>,
	Christian Marangi <ansuelsmth@...il.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Maxime Ripard <maxime@...no.tech>,
	Geert Uytterhoeven <geert+renesas@...der.be>
Subject: Re: [PATCH v8 8/8] clk: Add KUnit tests for clks registered with
 struct clk_parent_data

Hi Stephen,

On Thu, Jul 18, 2024 at 02:05:07PM -0700, Stephen Boyd wrote:
> Test that clks registered with 'struct clk_parent_data' work as
> intended and can find their parents.
> 

When testing this on arm64, I see the error below. The error is only
seen if I boot through efi, i.e., with "-bios QEMU_EFI-aarch64.fd"
qemu parameter.

Any idea what might cause the problem ?

Thanks,
Guenter

---
[   20.464809]     KTAP version 1
[   20.464865]     # Subtest: clk_register_clk_parent_data_of
[   20.464936]     # module: clk_test
[   20.464979]     1..1
[   20.465098]         KTAP version 1
[   20.465208]         # Subtest: clk_register_clk_parent_data_of_test
[   20.468964] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.469558] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.470177]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.470177]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.470177]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.471793]         not ok 1 clk_parent_data_of_index_test
[   20.474095] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.474373] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.474737]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.474737]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.474737]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.477677]         not ok 2 clk_parent_data_of_fwname_test
[   20.479773] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.479941] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.480160]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.480160]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.480160]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.481513]         not ok 3 clk_parent_data_of_name_test
[   20.483711] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.483878] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.484100]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.484100]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.484100]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.485444]         not ok 4 clk_parent_data_of_fwname_name_test
[   20.487432] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.487600] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.487841]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.487841]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.487841]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.489207]         not ok 5 clk_parent_data_of_index_name_priority_test
[   20.490998] OF: overlay: find target, node: /fragment@0, path '/' not found
[   20.491504] OF: overlay: init_overlay_changeset() failed, ret = -22
[   20.491725]     # clk_register_clk_parent_data_of_test: ASSERTION FAILED at drivers/clk/clk_test.c:2760
[   20.491725]     Expected 0 == ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }), but
[   20.491725]         ({ extern uint8_t __dtbo_kunit_clk_parent_data_test_begin[]; extern uint8_t __dtbo_kunit_clk_parent_data_test_end[]; __of_overlay_apply_kunit((test), __dtbo_kunit_clk_parent_data_test_begin, __dtbo_kunit_clk_parent_data_test_end); }) == -22 (0xffffffffffffffea)
[   20.493053]         not ok 6 clk_parent_data_of_index_fwname_name_priority_test
[   20.493583]     # clk_register_clk_parent_data_of_test: pass:0 fail:6 skip:0 total:6
[   20.493701]     not ok 1 clk_register_clk_parent_data_of_test
[   20.493822] # clk_register_clk_parent_data_of: pass:0 fail:1 skip:0 total:1
[   20.493920] # Totals: pass:0 fail:6 skip:0 total:6
[   20.494032] not ok 49 clk_register_clk_parent_data_of

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