diff options
| author | William Breathitt Gray <william.gray@linaro.org> | 2023-02-27 11:45:22 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-03-05 23:38:50 +0000 |
| commit | 4d60cac951fd2dfbf261b83abb805748abc8b995 (patch) | |
| tree | 17d2911ac85ee88660657c38e7f032c437623492 /include/linux/regmap.h | |
| parent | fe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff) | |
| download | linux-stable-4d60cac951fd2dfbf261b83abb805748abc8b995.tar.gz linux-stable-4d60cac951fd2dfbf261b83abb805748abc8b995.tar.bz2 linux-stable-4d60cac951fd2dfbf261b83abb805748abc8b995.zip | |
regmap-irq: Add no_status support
Some devices lack status registers, yet expect to handle interrupts.
Introduce a no_status flag to indicate such a configuration, where
rather than read a status register to verify, all interrupts received
are assumed to be active.
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Link: https://lore.kernel.org/r/bd501b4b5ff88da24d467f75e8c71b4e0e6f21e2.1677515341.git.william.gray@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/regmap.h')
| -rw-r--r-- | include/linux/regmap.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 4d10790adeb0..301286149643 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -1567,6 +1567,7 @@ struct regmap_irq_chip_data; * the need for a @sub_reg_offsets table. * @status_invert: Inverted status register: cleared bits are active interrupts. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. + * @no_status: No status register: all interrupts assumed generated by device. * * @num_regs: Number of registers in each control bank. * @irqs: Descriptors for individual IRQs. Interrupt numbers are @@ -1631,6 +1632,7 @@ struct regmap_irq_chip { unsigned int clear_on_unmask:1; unsigned int not_fixed_stride:1; unsigned int status_invert:1; + unsigned int no_status:1; int num_regs; |