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authorWilliam Breathitt Gray <william.gray@linaro.org>2023-02-27 11:45:22 -0500
committerMark Brown <broonie@kernel.org>2023-03-05 23:38:50 +0000
commit4d60cac951fd2dfbf261b83abb805748abc8b995 (patch)
tree17d2911ac85ee88660657c38e7f032c437623492 /include/linux/regmap.h
parentfe15c26ee26efa11741a7b632e9f23b01aca4cc6 (diff)
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.h2
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;