Re: [PATCH 2/2] gpio: pca953x: use managed resources
On Mon, Jan 28, 2013 at 11:17:48AM +0100, Linus Walleij wrote: > On Fri, Jan 25, 2013 at 5:59 PM, Gregory CLEMENT > wrote: > > > From: Linus Walleij > > > > Using the devm_* managed resources the pca driver can be simplified > > and cut down on boilerplate code. > > > > [gcl: fixed a inccorect reference to a removed label, "goto fail_out" > > became "return ret"] > > Oh now "gcl" means both Grant C. Likely and Gregory CLement :-) I'd say gcl means Grant C. Likely. gc would be Gregory Clement. Initials. :) Using anything else results in yet more many namespace clashes. Maybe we should switch to a numeric namespace instead? :) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 2/2] gpio: pca953x: use managed resources
On Fri, Jan 25, 2013 at 5:59 PM, Gregory CLEMENT wrote: > From: Linus Walleij > > Using the devm_* managed resources the pca driver can be simplified > and cut down on boilerplate code. > > [gcl: fixed a inccorect reference to a removed label, "goto fail_out" > became "return ret"] Oh now "gcl" means both Grant C. Likely and Gregory CLement :-) > Signed-off-by: Linus Walleij > Signed-off-by: Gregory CLEMENT Patch applied, thanks! Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 2/2] gpio: pca953x: use managed resources
On Fri, Jan 25, 2013 at 5:59 PM, Gregory CLEMENT gregory.clem...@free-electrons.com wrote: From: Linus Walleij linus.wall...@linaro.org Using the devm_* managed resources the pca driver can be simplified and cut down on boilerplate code. [gcl: fixed a inccorect reference to a removed label, goto fail_out became return ret] Oh now gcl means both Grant C. Likely and Gregory CLement :-) Signed-off-by: Linus Walleij linus.wall...@linaro.org Signed-off-by: Gregory CLEMENT gregory.clem...@free-electrons.com Patch applied, thanks! Yours, Linus Walleij -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 2/2] gpio: pca953x: use managed resources
On Mon, Jan 28, 2013 at 11:17:48AM +0100, Linus Walleij wrote: On Fri, Jan 25, 2013 at 5:59 PM, Gregory CLEMENT gregory.clem...@free-electrons.com wrote: From: Linus Walleij linus.wall...@linaro.org Using the devm_* managed resources the pca driver can be simplified and cut down on boilerplate code. [gcl: fixed a inccorect reference to a removed label, goto fail_out became return ret] Oh now gcl means both Grant C. Likely and Gregory CLement :-) I'd say gcl means Grant C. Likely. gc would be Gregory Clement. Initials. :) Using anything else results in yet more many namespace clashes. Maybe we should switch to a numeric namespace instead? :) -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 2/2] gpio: pca953x: use managed resources
From: Linus Walleij
Using the devm_* managed resources the pca driver can be simplified
and cut down on boilerplate code.
[gcl: fixed a inccorect reference to a removed label, "goto fail_out"
became "return ret"]
Signed-off-by: Linus Walleij
Signed-off-by: Gregory CLEMENT
---
drivers/gpio/gpio-pca953x.c | 32
1 file changed, 8 insertions(+), 24 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 1dc9906..2405946 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -560,7 +560,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
}
ret = pca953x_read_regs(chip, offset, chip->irq_stat);
if (ret)
- goto out_failed;
+ return ret;
/*
* There is no way to know which GPIO line generated the
@@ -579,7 +579,8 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
if (!chip->domain)
return -ENODEV;
- ret = request_threaded_irq(client->irq,
+ ret = devm_request_threaded_irq(>dev,
+ client->irq,
NULL,
pca953x_irq_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
@@ -596,12 +597,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
- if (chip->irq_base != -1) {
- free_irq(chip->client->irq, chip);
- }
-}
#else /* CONFIG_GPIO_PCA953X_IRQ */
static int pca953x_irq_setup(struct pca953x_chip *chip,
const struct i2c_device_id *id,
@@ -614,10 +609,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
-}
#endif
/*
@@ -736,7 +727,8 @@ static int pca953x_probe(struct i2c_client *client,
int ret;
u32 invert = 0;
- chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(>dev,
+ sizeof(struct pca953x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
@@ -771,15 +763,15 @@ static int pca953x_probe(struct i2c_client *client,
else
ret = device_pca957x_init(chip, invert);
if (ret)
- goto out_failed;
+ return ret;
ret = pca953x_irq_setup(chip, id, irq_base);
if (ret)
- goto out_failed;
+ return ret;
ret = gpiochip_add(>gpio_chip);
if (ret)
- goto out_failed_irq;
+ return ret;
if (pdata && pdata->setup) {
ret = pdata->setup(client, chip->gpio_chip.base,
@@ -790,12 +782,6 @@ static int pca953x_probe(struct i2c_client *client,
i2c_set_clientdata(client, chip);
return 0;
-
-out_failed_irq:
- pca953x_irq_teardown(chip);
-out_failed:
- kfree(chip);
- return ret;
}
static int pca953x_remove(struct i2c_client *client)
@@ -821,8 +807,6 @@ static int pca953x_remove(struct i2c_client *client)
return ret;
}
- pca953x_irq_teardown(chip);
- kfree(chip);
return 0;
}
--
1.7.9.5
--
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[PATCH 2/2] gpio: pca953x: use managed resources
Using the devm_* managed resources the pca driver can be simplified
and cut down on boilerplate code.
Signed-off-by: Linus Walleij
---
drivers/gpio/gpio-pca953x.c | 30 +++---
1 file changed, 7 insertions(+), 23 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 51e7f15..2b04a8f 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -573,7 +573,8 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
#endif
}
- ret = request_threaded_irq(client->irq,
+ ret = devm_request_threaded_irq(>dev,
+ client->irq,
NULL,
pca953x_irq_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
@@ -590,12 +591,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
- if (chip->irq_base != -1) {
- free_irq(chip->client->irq, chip);
- }
-}
#else /* CONFIG_GPIO_PCA953X_IRQ */
static int pca953x_irq_setup(struct pca953x_chip *chip,
const struct i2c_device_id *id,
@@ -608,10 +603,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
-}
#endif
/*
@@ -730,7 +721,8 @@ static int pca953x_probe(struct i2c_client *client,
int ret;
u32 invert = 0;
- chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(>dev,
+ sizeof(struct pca953x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
@@ -765,15 +757,15 @@ static int pca953x_probe(struct i2c_client *client,
else
ret = device_pca957x_init(chip, invert);
if (ret)
- goto out_failed;
+ return ret;
ret = pca953x_irq_setup(chip, id, irq_base);
if (ret)
- goto out_failed;
+ return ret;
ret = gpiochip_add(>gpio_chip);
if (ret)
- goto out_failed_irq;
+ return ret;
if (pdata && pdata->setup) {
ret = pdata->setup(client, chip->gpio_chip.base,
@@ -784,12 +776,6 @@ static int pca953x_probe(struct i2c_client *client,
i2c_set_clientdata(client, chip);
return 0;
-
-out_failed_irq:
- pca953x_irq_teardown(chip);
-out_failed:
- kfree(chip);
- return ret;
}
static int pca953x_remove(struct i2c_client *client)
@@ -815,8 +801,6 @@ static int pca953x_remove(struct i2c_client *client)
return ret;
}
- pca953x_irq_teardown(chip);
- kfree(chip);
return 0;
}
--
1.8.1
--
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Please read the FAQ at http://www.tux.org/lkml/
[PATCH 2/2] gpio: pca953x: use managed resources
Using the devm_* managed resources the pca driver can be simplified
and cut down on boilerplate code.
Signed-off-by: Linus Walleij linus.wall...@linaro.org
---
drivers/gpio/gpio-pca953x.c | 30 +++---
1 file changed, 7 insertions(+), 23 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 51e7f15..2b04a8f 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -573,7 +573,8 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
#endif
}
- ret = request_threaded_irq(client-irq,
+ ret = devm_request_threaded_irq(client-dev,
+ client-irq,
NULL,
pca953x_irq_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
@@ -590,12 +591,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
- if (chip-irq_base != -1) {
- free_irq(chip-client-irq, chip);
- }
-}
#else /* CONFIG_GPIO_PCA953X_IRQ */
static int pca953x_irq_setup(struct pca953x_chip *chip,
const struct i2c_device_id *id,
@@ -608,10 +603,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
-}
#endif
/*
@@ -730,7 +721,8 @@ static int pca953x_probe(struct i2c_client *client,
int ret;
u32 invert = 0;
- chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(client-dev,
+ sizeof(struct pca953x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
@@ -765,15 +757,15 @@ static int pca953x_probe(struct i2c_client *client,
else
ret = device_pca957x_init(chip, invert);
if (ret)
- goto out_failed;
+ return ret;
ret = pca953x_irq_setup(chip, id, irq_base);
if (ret)
- goto out_failed;
+ return ret;
ret = gpiochip_add(chip-gpio_chip);
if (ret)
- goto out_failed_irq;
+ return ret;
if (pdata pdata-setup) {
ret = pdata-setup(client, chip-gpio_chip.base,
@@ -784,12 +776,6 @@ static int pca953x_probe(struct i2c_client *client,
i2c_set_clientdata(client, chip);
return 0;
-
-out_failed_irq:
- pca953x_irq_teardown(chip);
-out_failed:
- kfree(chip);
- return ret;
}
static int pca953x_remove(struct i2c_client *client)
@@ -815,8 +801,6 @@ static int pca953x_remove(struct i2c_client *client)
return ret;
}
- pca953x_irq_teardown(chip);
- kfree(chip);
return 0;
}
--
1.8.1
--
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the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH 2/2] gpio: pca953x: use managed resources
From: Linus Walleij linus.wall...@linaro.org
Using the devm_* managed resources the pca driver can be simplified
and cut down on boilerplate code.
[gcl: fixed a inccorect reference to a removed label, goto fail_out
became return ret]
Signed-off-by: Linus Walleij linus.wall...@linaro.org
Signed-off-by: Gregory CLEMENT gregory.clem...@free-electrons.com
---
drivers/gpio/gpio-pca953x.c | 32
1 file changed, 8 insertions(+), 24 deletions(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 1dc9906..2405946 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -560,7 +560,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
}
ret = pca953x_read_regs(chip, offset, chip-irq_stat);
if (ret)
- goto out_failed;
+ return ret;
/*
* There is no way to know which GPIO line generated the
@@ -579,7 +579,8 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
if (!chip-domain)
return -ENODEV;
- ret = request_threaded_irq(client-irq,
+ ret = devm_request_threaded_irq(client-dev,
+ client-irq,
NULL,
pca953x_irq_handler,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
@@ -596,12 +597,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
- if (chip-irq_base != -1) {
- free_irq(chip-client-irq, chip);
- }
-}
#else /* CONFIG_GPIO_PCA953X_IRQ */
static int pca953x_irq_setup(struct pca953x_chip *chip,
const struct i2c_device_id *id,
@@ -614,10 +609,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
return 0;
}
-
-static void pca953x_irq_teardown(struct pca953x_chip *chip)
-{
-}
#endif
/*
@@ -736,7 +727,8 @@ static int pca953x_probe(struct i2c_client *client,
int ret;
u32 invert = 0;
- chip = kzalloc(sizeof(struct pca953x_chip), GFP_KERNEL);
+ chip = devm_kzalloc(client-dev,
+ sizeof(struct pca953x_chip), GFP_KERNEL);
if (chip == NULL)
return -ENOMEM;
@@ -771,15 +763,15 @@ static int pca953x_probe(struct i2c_client *client,
else
ret = device_pca957x_init(chip, invert);
if (ret)
- goto out_failed;
+ return ret;
ret = pca953x_irq_setup(chip, id, irq_base);
if (ret)
- goto out_failed;
+ return ret;
ret = gpiochip_add(chip-gpio_chip);
if (ret)
- goto out_failed_irq;
+ return ret;
if (pdata pdata-setup) {
ret = pdata-setup(client, chip-gpio_chip.base,
@@ -790,12 +782,6 @@ static int pca953x_probe(struct i2c_client *client,
i2c_set_clientdata(client, chip);
return 0;
-
-out_failed_irq:
- pca953x_irq_teardown(chip);
-out_failed:
- kfree(chip);
- return ret;
}
static int pca953x_remove(struct i2c_client *client)
@@ -821,8 +807,6 @@ static int pca953x_remove(struct i2c_client *client)
return ret;
}
- pca953x_irq_teardown(chip);
- kfree(chip);
return 0;
}
--
1.7.9.5
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