diff options
author | Max Filippov <jcmvbkbc@gmail.com> | 2021-09-27 09:46:33 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-13 09:41:54 +0200 |
commit | 8979fa2c43b07e26ed9764e31fbdeb2b08037361 (patch) | |
tree | 9d0ddc915408bc12c6240ce5bdfcc78b96fc1d9b | |
parent | c4a9836c9dd6e9a7afed4ea7b537a766f95fbaac (diff) |
xtensa: call irqchip_init only when CONFIG_USE_OF is selected
[ Upstream commit 6489f8d0e1d93a3603d8dad8125797559e4cf2a2 ]
During boot time kernel configured with OF=y but USE_OF=n displays the
following warnings and hangs shortly after starting userspace:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at kernel/irq/irqdomain.c:695 irq_create_mapping_affinity+0x29/0xc0
irq_create_mapping_affinity(, 6) called with NULL domain
CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.0-rc3-00001-gd67ed2510d28 #30
Call Trace:
__warn+0x69/0xc4
warn_slowpath_fmt+0x6c/0x94
irq_create_mapping_affinity+0x29/0xc0
local_timer_setup+0x40/0x88
time_init+0xb1/0xe8
start_kernel+0x31d/0x3f4
_startup+0x13b/0x13b
---[ end trace 1e6630e1c5eda35b ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at arch/xtensa/kernel/time.c:141 local_timer_setup+0x58/0x88
error: can't map timer irq
CPU: 0 PID: 0 Comm: swapper Tainted: G W 5.15.0-rc3-00001-gd67ed2510d28 #30
Call Trace:
__warn+0x69/0xc4
warn_slowpath_fmt+0x6c/0x94
local_timer_setup+0x58/0x88
time_init+0xb1/0xe8
start_kernel+0x31d/0x3f4
_startup+0x13b/0x13b
---[ end trace 1e6630e1c5eda35c ]---
Failed to request irq 0 (timer)
Fix that by calling irqchip_init only when CONFIG_USE_OF is selected and
calling legacy interrupt controller init otherwise.
Fixes: da844a81779e ("xtensa: add device trees support")
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
-rw-r--r-- | arch/xtensa/kernel/irq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a48bf2d10ac2..80cc9770a8d2 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -145,7 +145,7 @@ unsigned xtensa_get_ext_irq_no(unsigned irq) void __init init_IRQ(void) { -#ifdef CONFIG_OF +#ifdef CONFIG_USE_OF irqchip_init(); #else #ifdef CONFIG_HAVE_SMP |