[PATCH 03/13] gpio-sx150x: Remove 'irq_base' parameter

From: Andrey Smirnov
Date: Mon Oct 17 2016 - 10:30:49 EST


Remove 'irq_base' parameter and call 'gpiochip_irqchip_add' with '0' as
irq base to automatically assign it.

Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
drivers/gpio/gpio-sx150x.c | 21 +++------------------
1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index e80c115..e01afd8 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -105,10 +105,6 @@ struct sx150x_device_data {
* the polarity of that IO line, while clearing it results
* in normal polarity. For chips with fewer than 16 IO pins,
* high-end bits are ignored.
- * @irq_base: The first 'virtual IRQ' line at which our block of GPIO-based
- * IRQ lines will appear. Similarly to gpio_base, the expander
- * will create a block of irqs beginning at this number.
- * This value is ignored if irq_summary is < 0.
* @reset_during_probe: If set to true, the driver will trigger a full
* reset of the chip at the beginning of the probe
* in order to place it in a known state.
@@ -118,7 +114,6 @@ struct sx150x_platform_data {
u16 io_pullup_ena;
u16 io_pulldn_ena;
u16 io_polarity;
- unsigned irq_base;
bool reset_during_probe;
};

@@ -126,7 +121,6 @@ struct sx150x_chip {
struct gpio_chip gpio_chip;
struct i2c_client *client;
const struct sx150x_device_data *dev_cfg;
- int irq_base;
int irq_update;
u32 irq_sense;
u32 irq_masked;
@@ -590,7 +584,6 @@ static void sx150x_init_chip(struct sx150x_chip *chip,
chip->irq_chip.irq_set_type = sx150x_irq_set_type;
chip->irq_chip.irq_bus_lock = sx150x_irq_bus_lock;
chip->irq_chip.irq_bus_sync_unlock = sx150x_irq_bus_sync_unlock;
- chip->irq_base = -1;
chip->irq_masked = ~0;
chip->irq_sense = 0;
chip->dev_masked = ~0;
@@ -689,16 +682,13 @@ static int sx150x_init_hw(struct sx150x_chip *chip,
return err;
}

-static int sx150x_install_irq_chip(struct sx150x_chip *chip,
- int irq_base)
+static int sx150x_install_irq_chip(struct sx150x_chip *chip)
{
int err;

- chip->irq_base = irq_base;
-
/* Add gpio chip to irq subsystem */
err = gpiochip_irqchip_add(&chip->gpio_chip,
- &chip->irq_chip, chip->irq_base,
+ &chip->irq_chip, 0,
handle_edge_irq, IRQ_TYPE_EDGE_BOTH);
if (err) {
dev_err(&chip->client->dev,
@@ -710,10 +700,6 @@ static int sx150x_install_irq_chip(struct sx150x_chip *chip,
chip->client->irq, NULL, sx150x_irq_thread_fn,
IRQF_ONESHOT | IRQF_SHARED | IRQF_TRIGGER_FALLING,
chip->irq_chip.name, chip);
- if (err < 0) {
- chip->irq_base = -1;
- }
-
return err;
}

@@ -748,8 +734,7 @@ static int sx150x_probe(struct i2c_client *client,
return rc;

if (client->irq) {
- rc = sx150x_install_irq_chip(chip,
- pdata->irq_base);
+ rc = sx150x_install_irq_chip(chip);
if (rc < 0)
return rc;
}
--
2.5.5