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regmap-irq: Deprecate the not_fixed_stride flag

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This flag is a bit of a hack and the same thing can be accomplished
using a custom ->get_irq_reg() callback. Add a warning to catch any
use of the flag.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Link: https://lore.kernel.org/r/20220623211420.918875-13-aidanmacdonald.0x0@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Aidan MacDonald 2022-06-23 22:14:20 +01:00 committed by Mark Brown
parent bdf9b86cd3
commit 48e014ee9a
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GPG key ID: 24D68B725D5487D0
2 changed files with 6 additions and 2 deletions
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2
drivers/base/regmap/regmap-irq.c
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@ -739,6 +739,8 @@ int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
}
if (chip->not_fixed_stride) {
dev_warn(map->dev, "not_fixed_stride is deprecated; use ->get_irq_reg() instead");
for (i = 0; i < chip->num_regs; i++)
if (chip->sub_reg_offsets[i].num_regs != 1)
return -EINVAL;

6
include/linux/regmap.h
View file

@ -1509,8 +1509,10 @@ struct regmap_irq_chip_data;
* registers before unmasking interrupts to clear any bits
* set when they were masked.
* @not_fixed_stride: Used when chip peripherals are not laid out with fixed
* stride. Must be used with sub_reg_offsets containing the
* offsets to each peripheral.
* stride. Must be used with sub_reg_offsets containing the
* offsets to each peripheral. Deprecated; the same thing
* can be accomplished with a @get_irq_reg callback, without
* 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.
*