diff options
| author | Marek Vasut <[email protected]> | 2023-01-20 17:03:32 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2023-01-31 11:15:01 +0100 |
| commit | 3f6c02fa712bd453871877fe1d1969625617471e (patch) | |
| tree | ec2674ce6c31ef06dacb349bb2b0325951d18151 /include/linux/fpga/fpga-mgr.h | |
| parent | 2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff) | |
serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler
Requesting an interrupt with IRQF_ONESHOT will run the primary handler
in the hard-IRQ context even in the force-threaded mode. The
force-threaded mode is used by PREEMPT_RT in order to avoid acquiring
sleeping locks (spinlock_t) in hard-IRQ context. This combination
makes it impossible and leads to "sleeping while atomic" warnings.
Use one interrupt handler for both handlers (primary and secondary)
and drop the IRQF_ONESHOT flag which is not needed.
Fixes: e359b4411c283 ("serial: stm32: fix threaded interrupt handling")
Reviewed-by: Sebastian Andrzej Siewior <[email protected]>
Tested-by: Valentin Caron <[email protected]> # V3
Signed-off-by: Marek Vasut <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Diffstat (limited to 'include/linux/fpga/fpga-mgr.h')
0 files changed, 0 insertions, 0 deletions