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Commit 9442490a authored by Mark Brown's avatar Mark Brown
Browse files

regmap: irq: Support wake IRQ mask inversion 



Support devices which have an enable rather than mask register for wake
sources.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 33be4932

drivers/base/regmap/regmap-irq.c

+17 −4
Original line number Diff line number Diff line
@@ -92,8 +92,14 @@ static void regmap_irq_sync_unlock(struct irq_data *data) 
		reg = d->chip->wake_base +

			(i * map->reg_stride * d->irq_reg_stride);

		if (d->wake_buf) {

			if (d->chip->wake_invert)

				ret = regmap_update_bits(d->map, reg,

					 d->mask_buf_def[i], d->wake_buf[i]);

							 d->mask_buf_def[i],

							 ~d->wake_buf[i]);

			else

				ret = regmap_update_bits(d->map, reg,

							 d->mask_buf_def[i],

							 d->wake_buf[i]);

			if (ret != 0)

				dev_err(d->map->dev,

					"Failed to sync wakes in %x: %d\n",
@@ -419,7 +425,14 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, 
			d->wake_buf[i] = d->mask_buf_def[i];

			reg = chip->wake_base +

				(i * map->reg_stride * d->irq_reg_stride);

			ret = regmap_update_bits(map, reg, d->wake_buf[i],



			if (chip->wake_invert)

				ret = regmap_update_bits(map, reg,

							 d->mask_buf_def[i],

							 0);

			else

				ret = regmap_update_bits(map, reg,

							 d->mask_buf_def[i],

							 d->wake_buf[i]);

			if (ret != 0) {

				dev_err(map->dev, "Failed to set masks in 0x%x: %d\n",

include/linux/regmap.h

+1 −0
Original line number Diff line number Diff line
@@ -381,6 +381,7 @@ struct regmap_irq_chip { 
	unsigned int wake_base;

	unsigned int irq_reg_stride;

	unsigned int mask_invert;

	unsigned int wake_invert;

	bool runtime_pm;



	int num_regs;