Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

clk: Disable KUNIT_UML_PCI

commit 031cdd3bc3f3 ("kunit: Enable PCI on UML without triggering WARN()")
enables KUNIT_UML_PCI, but clk driver could not work with it.
Deselect KUNIT_UML_PCI to avoid the failure. Dump as below:
WARNING: CPU: 0 PID: 227 at lib/logic_iomem.c:141 __raw_readl+0xac/0xe0
CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G
Tainted: [N]=TEST
Stack:
a0883d00 00000001 00000000 ffffff00
603ef142 60044832 6002598b 00000000
00000000 600211b3 00000001 00000000
Call Trace:
[<6032534c>] ? __raw_readl+0xac/0xe0
[<60044832>] ? dump_stack_lvl+0x57/0x73
[<6002598b>] ? _printk+0x0/0x61
[<600211b3>] ? __warn.cold+0x61/0xeb
[<600212cc>] ? warn_slowpath_fmt+0x8f/0x9c
[<6002123d>] ? warn_slowpath_fmt+0x0/0x9c
[<6032534c>] ? __raw_readl+0xac/0xe0
[<6002123d>] ? warn_slowpath_fmt+0x0/0x9c
[<6029e2ad>] ? clk_gate_endisable+0xcd/0x110
[<6029e315>] ? clk_gate_enable+0x15/0x20
[<6028795e>] ? clk_core_enable+0x6e/0xf0
[<60289f1f>] ? clk_enable+0x4f/0xa0
[<602a06af>] ? clk_gate_test_enable+0xbf/0x360
[<60053df9>] ? os_nsecs+0x29/0x40
[<600cd300>] ? ktime_get_ts64+0x0/0x130
[<600816c0>] ? to_kthread+0x0/0x50
[<602507bb>] ? kunit_try_run_case+0x7b/0x100
[<600816c0>] ? to_kthread+0x0/0x50
[<60252aa0>] ? kunit_generic_run_threadfn_adapter+0x0/0x30
[<60252ab2>] ? kunit_generic_run_threadfn_adapter+0x12/0x30
[<60082091>] ? kthread+0xf1/0x270
[<60047591>] ? new_thread_handler+0x41/0x60
---[ end trace 0000000000000000 ]---

Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

authored by

Peng Fan and committed by
Stephen Boyd
b079e4e6 750e0e0a

+1 -1
+1 -1
drivers/clk/.kunitconfig
··· 1 1 CONFIG_KUNIT=y 2 + CONFIG_KUNIT_UML_PCI=n 2 3 CONFIG_OF=y 3 4 CONFIG_OF_OVERLAY=y 4 5 CONFIG_COMMON_CLK=y ··· 7 6 CONFIG_CLK_FIXED_RATE_KUNIT_TEST=y 8 7 CONFIG_CLK_GATE_KUNIT_TEST=y 9 8 CONFIG_CLK_FD_KUNIT_TEST=y 10 - CONFIG_UML_PCI_OVER_VIRTIO=n