Messages in this thread Patch in this message | | | From | Corentin Labbe <> | Subject | [PATCH] mfd: palmas: constify struct regmap_irq_chip | Date | Mon, 19 Dec 2016 16:16:23 +0100 |
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From: LABBE Corentin <clabbe.montjoie@gmail.com>
The regmap_irq_chip struct is never modified and so can be set as const. This permit to remove a casted access to match->data and use the proper of_device_get_match_data()
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> --- drivers/mfd/palmas.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index 8f8bacb..66f3aa0 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -300,7 +300,7 @@ static const struct regmap_irq palmas_irqs[] = { }, }; -static struct regmap_irq_chip palmas_irq_chip = { +static const struct regmap_irq_chip palmas_irq_chip = { .name = "palmas", .irqs = palmas_irqs, .num_irqs = ARRAY_SIZE(palmas_irqs), @@ -313,7 +313,7 @@ static struct regmap_irq_chip palmas_irq_chip = { PALMAS_INT1_MASK), }; -static struct regmap_irq_chip tps65917_irq_chip = { +static const struct regmap_irq_chip tps65917_irq_chip = { .name = "tps65917", .irqs = tps65917_irqs, .num_irqs = ARRAY_SIZE(tps65917_irqs), @@ -453,20 +453,20 @@ static unsigned int tps659038_features; struct palmas_driver_data { unsigned int *features; - struct regmap_irq_chip *irq_chip; + const struct regmap_irq_chip *irq_chip; }; -static struct palmas_driver_data palmas_data = { +static const struct palmas_driver_data palmas_data = { .features = &palmas_features, .irq_chip = &palmas_irq_chip, }; -static struct palmas_driver_data tps659038_data = { +static const struct palmas_driver_data tps659038_data = { .features = &tps659038_features, .irq_chip = &palmas_irq_chip, }; -static struct palmas_driver_data tps65917_data = { +static const struct palmas_driver_data tps65917_data = { .features = &tps659038_features, .irq_chip = &tps65917_irq_chip, }; @@ -493,12 +493,11 @@ static int palmas_i2c_probe(struct i2c_client *i2c, { struct palmas *palmas; struct palmas_platform_data *pdata; - struct palmas_driver_data *driver_data; + const struct palmas_driver_data *driver_data; struct device_node *node = i2c->dev.of_node; int ret = 0, i; unsigned int reg, addr; int slave; - const struct of_device_id *match; pdata = dev_get_platdata(&i2c->dev); @@ -522,12 +521,9 @@ static int palmas_i2c_probe(struct i2c_client *i2c, palmas->dev = &i2c->dev; palmas->irq = i2c->irq; - match = of_match_device(of_palmas_match_tbl, &i2c->dev); - - if (!match) + driver_data = of_device_get_match_data(&i2c->dev); + if (!driver_data) return -ENODATA; - - driver_data = (struct palmas_driver_data *)match->data; palmas->features = *driver_data->features; for (i = 0; i < PALMAS_NUM_CLIENTS; i++) { -- 2.10.2
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