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Date:   Thu, 30 Aug 2018 14:20:04 +0100
From:   Richard Fitzgerald <>
To:     <>, <>,
        <>, <>
CC:     <>, <>,
        "Richard Fitzgerald" <>
Subject: [PATCH v11 1/2] mfd: madera: Add irqchip data pointer into struct madera

Put the pointer to struct regmap_irq_chip_data into the parent
mfd structure so that the child irqchip driver does not need
a trivial private structure to store only this pointer. As
the irqchip child driver already has a pointer to the parent
struct madera it can use that to store the pointer. This also
means that the irqchip driver does not need a double-indirection
from its local struct to get at the parent struct madera.

Signed-off-by: Richard Fitzgerald <>
 include/linux/mfd/madera/core.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/mfd/madera/core.h b/include/linux/mfd/madera/core.h
index c332681848ef..fe69c0f4398f 100644
--- a/include/linux/mfd/madera/core.h
+++ b/include/linux/mfd/madera/core.h
@@ -148,6 +148,7 @@ struct snd_soc_dapm_context;
  * @internal_dcvdd:	true if DCVDD is supplied from the internal LDO1
  * @pdata:		our pdata
  * @irq_dev:		the irqchip child driver device
+ * @irq_data:		pointer to irqchip data for the child irqchip driver
  * @irq:		host irq number from SPI or I2C configuration
  * @out_clamp:		indicates output clamp state for each analogue output
  * @out_shorted:	indicates short circuit state for each analogue output
@@ -175,6 +176,7 @@ struct madera {
 	struct madera_pdata pdata;
 	struct device *irq_dev;
+	struct regmap_irq_chip_data *irq_data;
 	int irq;
 	unsigned int num_micbias;

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