Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH 2/4] regmap: irq: Support wake IRQ mask inversion | Date | Fri, 4 Jan 2013 17:19:15 +0000 |
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Support devices which have an enable rather than mask register for wake sources.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> --- drivers/base/regmap/regmap-irq.c | 21 +++++++++++++++++---- include/linux/regmap.h | 1 + 2 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index 7dabfc8..9bbe5ba 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -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) { - ret = regmap_update_bits(d->map, reg, - d->mask_buf_def[i], d->wake_buf[i]); + if (d->chip->wake_invert) + ret = regmap_update_bits(d->map, reg, + 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", @@ -417,8 +423,15 @@ 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], - 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", reg, ret); diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 390d879..5e81abf 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -382,6 +382,7 @@ 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; -- 1.7.10.4
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