[PATCH 02/13] gpio-sx150x: Remove 'irq_summary' parameter

2016-10-17 Thread Andrey Smirnov
Information conveyed by 'irq_summary' paramter can be obtained from
struct i2c_client's irq field. Remove any uses of the former and replace
it with the latter.

Signed-off-by: Andrey Smirnov 
---
 drivers/gpio/gpio-sx150x.c | 19 +++
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index f9d6bec..e80c115 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -105,12 +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_summary: The 'summary IRQ' line to which the GPIO expander's INT line
- *   is connected, via which it reports interrupt events
- *   across all GPIO lines.  This must be a real,
- *   pre-existing IRQ line.
- *   Setting this value < 0 disables the irq_chip functionality
- *   of the driver.
  * @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.
@@ -124,7 +118,6 @@ struct sx150x_platform_data {
u16  io_pullup_ena;
u16  io_pulldn_ena;
u16  io_polarity;
-   int  irq_summary;
unsigned irq_base;
bool reset_during_probe;
 };
@@ -133,7 +126,6 @@ struct sx150x_chip {
struct gpio_chip gpio_chip;
struct i2c_client   *client;
const struct sx150x_device_data *dev_cfg;
-   int  irq_summary;
int  irq_base;
int  irq_update;
u32  irq_sense;
@@ -598,7 +590,6 @@ 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_summary  = -1;
chip->irq_base = -1;
chip->irq_masked   = ~0;
chip->irq_sense= 0;
@@ -699,12 +690,10 @@ static int sx150x_init_hw(struct sx150x_chip *chip,
 }
 
 static int sx150x_install_irq_chip(struct sx150x_chip *chip,
-   int irq_summary,
-   int irq_base)
+  int irq_base)
 {
int err;
 
-   chip->irq_summary = irq_summary;
chip->irq_base= irq_base;
 
/* Add gpio chip to irq subsystem */
@@ -718,11 +707,10 @@ static int sx150x_install_irq_chip(struct sx150x_chip 
*chip,
}
 
err = devm_request_threaded_irq(>client->dev,
-   irq_summary, NULL, sx150x_irq_thread_fn,
+   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_summary = -1;
chip->irq_base= -1;
}
 
@@ -759,9 +747,8 @@ static int sx150x_probe(struct i2c_client *client,
if (rc)
return rc;
 
-   if (pdata->irq_summary >= 0) {
+   if (client->irq) {
rc = sx150x_install_irq_chip(chip,
-   pdata->irq_summary,
pdata->irq_base);
if (rc < 0)
return rc;
-- 
2.5.5



[PATCH 02/13] gpio-sx150x: Remove 'irq_summary' parameter

2016-10-17 Thread Andrey Smirnov
Information conveyed by 'irq_summary' paramter can be obtained from
struct i2c_client's irq field. Remove any uses of the former and replace
it with the latter.

Signed-off-by: Andrey Smirnov 
---
 drivers/gpio/gpio-sx150x.c | 19 +++
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index f9d6bec..e80c115 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -105,12 +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_summary: The 'summary IRQ' line to which the GPIO expander's INT line
- *   is connected, via which it reports interrupt events
- *   across all GPIO lines.  This must be a real,
- *   pre-existing IRQ line.
- *   Setting this value < 0 disables the irq_chip functionality
- *   of the driver.
  * @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.
@@ -124,7 +118,6 @@ struct sx150x_platform_data {
u16  io_pullup_ena;
u16  io_pulldn_ena;
u16  io_polarity;
-   int  irq_summary;
unsigned irq_base;
bool reset_during_probe;
 };
@@ -133,7 +126,6 @@ struct sx150x_chip {
struct gpio_chip gpio_chip;
struct i2c_client   *client;
const struct sx150x_device_data *dev_cfg;
-   int  irq_summary;
int  irq_base;
int  irq_update;
u32  irq_sense;
@@ -598,7 +590,6 @@ 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_summary  = -1;
chip->irq_base = -1;
chip->irq_masked   = ~0;
chip->irq_sense= 0;
@@ -699,12 +690,10 @@ static int sx150x_init_hw(struct sx150x_chip *chip,
 }
 
 static int sx150x_install_irq_chip(struct sx150x_chip *chip,
-   int irq_summary,
-   int irq_base)
+  int irq_base)
 {
int err;
 
-   chip->irq_summary = irq_summary;
chip->irq_base= irq_base;
 
/* Add gpio chip to irq subsystem */
@@ -718,11 +707,10 @@ static int sx150x_install_irq_chip(struct sx150x_chip 
*chip,
}
 
err = devm_request_threaded_irq(>client->dev,
-   irq_summary, NULL, sx150x_irq_thread_fn,
+   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_summary = -1;
chip->irq_base= -1;
}
 
@@ -759,9 +747,8 @@ static int sx150x_probe(struct i2c_client *client,
if (rc)
return rc;
 
-   if (pdata->irq_summary >= 0) {
+   if (client->irq) {
rc = sx150x_install_irq_chip(chip,
-   pdata->irq_summary,
pdata->irq_base);
if (rc < 0)
return rc;
-- 
2.5.5