regmap: store irq_chip inside regmap_irq_chip_data
Stephen Warren [Wed, 1 Aug 2012 17:40:47 +0000 (11:40 -0600)]
This will allow later patches to adjust portions of the irq_chip
individually for each regmap_irq_chip that is created.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
(cherry picked from commit 7ac140ec426ed304237205be77f99eedfc1186b5)

Signed-off-by: Mallikarjun Kasoju <mkasoju@nvidia.com>
Change-Id: Ib73deca2d8ca01d1ec49bdc94ebe20053c97981c
Reviewed-on: http://git-master/r/161550
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Stephen Warren <swarren@nvidia.com>

drivers/base/regmap/regmap-irq.c

index 4a52743..72a6f31 100644 (file)
@@ -22,6 +22,7 @@
 
 struct regmap_irq_chip_data {
        struct mutex lock;
+       struct irq_chip irq_chip;
 
        struct regmap *map;
        const struct regmap_irq_chip *chip;
@@ -129,7 +130,7 @@ static int regmap_irq_set_wake(struct irq_data *data, unsigned int on)
        return 0;
 }
 
-static struct irq_chip regmap_irq_chip = {
+static const struct irq_chip regmap_irq_chip = {
        .name                   = "regmap",
        .irq_bus_lock           = regmap_irq_lock,
        .irq_bus_sync_unlock    = regmap_irq_sync_unlock,
@@ -197,7 +198,7 @@ static int regmap_irq_map(struct irq_domain *h, unsigned int virq,
        struct regmap_irq_chip_data *data = h->host_data;
 
        irq_set_chip_data(virq, data);
-       irq_set_chip_and_handler(virq, &regmap_irq_chip, handle_edge_irq);
+       irq_set_chip_and_handler(virq, &data->irq_chip, handle_edge_irq);
        irq_set_nested_thread(virq, 1);
 
        /* ARM needs us to explicitly flag the IRQ as valid
@@ -285,6 +286,7 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
                        goto err_alloc;
        }
 
+       d->irq_chip = regmap_irq_chip;
        d->irq = irq;
        d->map = map;
        d->chip = chip;