This switches the driver to using managed resources to simplify
error handling and to do away with remove function.
Also fixes some indentations by replacing spaces with tabs.
CC: Dmitry Torokhov <[email protected]>
CC: Paul Gortmaker <[email protected]>
Signed-off-by: Pramod Gurav <[email protected]>
---
drivers/input/touchscreen/jornada720_ts.c | 62 ++++++++++-------------------
1 file changed, 20 insertions(+), 42 deletions(-)
diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c
index 7324c5c..0c23bba 100644
--- a/drivers/input/touchscreen/jornada720_ts.c
+++ b/drivers/input/touchscreen/jornada720_ts.c
@@ -37,21 +37,21 @@ struct jornada_ts {
static void jornada720_ts_collect_data(struct jornada_ts *jornada_ts)
{
- /* 3 low word X samples */
- jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
- jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
- jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
+ /* 3 low word X samples */
+ jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
+ jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
+ jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
- /* 3 low word Y samples */
- jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
- jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
- jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
+ /* 3 low word Y samples */
+ jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
+ jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
+ jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
- /* combined x samples bits */
- jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
+ /* combined x samples bits */
+ jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
- /* combined y samples bits */
- jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
+ /* combined y samples bits */
+ jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
}
static int jornada720_ts_average(int coords[4])
@@ -104,13 +104,10 @@ static int jornada720_ts_probe(struct platform_device *pdev)
struct input_dev *input_dev;
int error;
- jornada_ts = kzalloc(sizeof(struct jornada_ts), GFP_KERNEL);
- input_dev = input_allocate_device();
-
- if (!jornada_ts || !input_dev) {
- error = -ENOMEM;
- goto fail1;
- }
+ jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL);
+ input_dev = devm_input_allocate_device(&pdev->dev);
+ if (!jornada_ts || !input_dev)
+ return -ENOMEM;
platform_set_drvdata(pdev, jornada_ts);
@@ -126,36 +123,18 @@ static int jornada720_ts_probe(struct platform_device *pdev)
input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0);
input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0);
- error = request_irq(IRQ_GPIO9,
+ error = devm_request_irq(&pdev->dev, IRQ_GPIO9,
jornada720_ts_interrupt,
IRQF_TRIGGER_RISING,
"HP7XX Touchscreen driver", pdev);
if (error) {
- printk(KERN_INFO "HP7XX TS : Unable to acquire irq!\n");
- goto fail1;
+ dev_err(&pdev->dev, "HP7XX TS : Unable to acquire irq!\n");
+ return error;
}
error = input_register_device(jornada_ts->dev);
if (error)
- goto fail2;
-
- return 0;
-
- fail2:
- free_irq(IRQ_GPIO9, pdev);
- fail1:
- input_free_device(input_dev);
- kfree(jornada_ts);
- return error;
-}
-
-static int jornada720_ts_remove(struct platform_device *pdev)
-{
- struct jornada_ts *jornada_ts = platform_get_drvdata(pdev);
-
- free_irq(IRQ_GPIO9, pdev);
- input_unregister_device(jornada_ts->dev);
- kfree(jornada_ts);
+ return error;
return 0;
}
@@ -165,7 +144,6 @@ MODULE_ALIAS("platform:jornada_ts");
static struct platform_driver jornada720_ts_driver = {
.probe = jornada720_ts_probe,
- .remove = jornada720_ts_remove,
.driver = {
.name = "jornada_ts",
.owner = THIS_MODULE,
--
1.7.9.5
On 14-07-30 08:09 AM, Pramod Gurav wrote:
> This switches the driver to using managed resources to simplify
> error handling and to do away with remove function.
>
> Also fixes some indentations by replacing spaces with tabs.
>
> CC: Dmitry Torokhov <[email protected]>
> CC: Paul Gortmaker <[email protected]>
>
> Signed-off-by: Pramod Gurav <[email protected]>
> ---
> drivers/input/touchscreen/jornada720_ts.c | 62 ++++++++++-------------------
> 1 file changed, 20 insertions(+), 42 deletions(-)
>
> diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c
> index 7324c5c..0c23bba 100644
> --- a/drivers/input/touchscreen/jornada720_ts.c
> +++ b/drivers/input/touchscreen/jornada720_ts.c
> @@ -37,21 +37,21 @@ struct jornada_ts {
> static void jornada720_ts_collect_data(struct jornada_ts *jornada_ts)
> {
>
> - /* 3 low word X samples */
> - jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
> - jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
> - jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
> + /* 3 low word X samples */
> + jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
> + jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
> + jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
Please don't mix pure whitespace changes with technical changes.
While I can't fault you for wanting to get rid of the 4 space
tabs, it makes review more complicated when they are mixed in
a single commit.
P.
--
>
> - /* 3 low word Y samples */
> - jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
> - jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
> - jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
> + /* 3 low word Y samples */
> + jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
> + jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
> + jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
>
> - /* combined x samples bits */
> - jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
> + /* combined x samples bits */
> + jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
>
> - /* combined y samples bits */
> - jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
> + /* combined y samples bits */
> + jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
> }
>
> static int jornada720_ts_average(int coords[4])
> @@ -104,13 +104,10 @@ static int jornada720_ts_probe(struct platform_device *pdev)
> struct input_dev *input_dev;
> int error;
>
> - jornada_ts = kzalloc(sizeof(struct jornada_ts), GFP_KERNEL);
> - input_dev = input_allocate_device();
> -
> - if (!jornada_ts || !input_dev) {
> - error = -ENOMEM;
> - goto fail1;
> - }
> + jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL);
> + input_dev = devm_input_allocate_device(&pdev->dev);
> + if (!jornada_ts || !input_dev)
> + return -ENOMEM;
>
> platform_set_drvdata(pdev, jornada_ts);
>
> @@ -126,36 +123,18 @@ static int jornada720_ts_probe(struct platform_device *pdev)
> input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0);
> input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0);
>
> - error = request_irq(IRQ_GPIO9,
> + error = devm_request_irq(&pdev->dev, IRQ_GPIO9,
> jornada720_ts_interrupt,
> IRQF_TRIGGER_RISING,
> "HP7XX Touchscreen driver", pdev);
> if (error) {
> - printk(KERN_INFO "HP7XX TS : Unable to acquire irq!\n");
> - goto fail1;
> + dev_err(&pdev->dev, "HP7XX TS : Unable to acquire irq!\n");
> + return error;
> }
>
> error = input_register_device(jornada_ts->dev);
> if (error)
> - goto fail2;
> -
> - return 0;
> -
> - fail2:
> - free_irq(IRQ_GPIO9, pdev);
> - fail1:
> - input_free_device(input_dev);
> - kfree(jornada_ts);
> - return error;
> -}
> -
> -static int jornada720_ts_remove(struct platform_device *pdev)
> -{
> - struct jornada_ts *jornada_ts = platform_get_drvdata(pdev);
> -
> - free_irq(IRQ_GPIO9, pdev);
> - input_unregister_device(jornada_ts->dev);
> - kfree(jornada_ts);
> + return error;
>
> return 0;
> }
> @@ -165,7 +144,6 @@ MODULE_ALIAS("platform:jornada_ts");
>
> static struct platform_driver jornada720_ts_driver = {
> .probe = jornada720_ts_probe,
> - .remove = jornada720_ts_remove,
> .driver = {
> .name = "jornada_ts",
> .owner = THIS_MODULE,
>
On Wed, Jul 30, 2014 at 6:48 PM, Paul Gortmaker
<[email protected]> wrote:
> On 14-07-30 08:09 AM, Pramod Gurav wrote:
>> This switches the driver to using managed resources to simplify
>> error handling and to do away with remove function.
>>
>> Also fixes some indentations by replacing spaces with tabs.
>>
>> CC: Dmitry Torokhov <[email protected]>
>> CC: Paul Gortmaker <[email protected]>
>>
>> Signed-off-by: Pramod Gurav <[email protected]>
>> ---
>> drivers/input/touchscreen/jornada720_ts.c | 62 ++++++++++-------------------
>> 1 file changed, 20 insertions(+), 42 deletions(-)
>>
>> diff --git a/drivers/input/touchscreen/jornada720_ts.c b/drivers/input/touchscreen/jornada720_ts.c
>> index 7324c5c..0c23bba 100644
>> --- a/drivers/input/touchscreen/jornada720_ts.c
>> +++ b/drivers/input/touchscreen/jornada720_ts.c
>> @@ -37,21 +37,21 @@ struct jornada_ts {
>> static void jornada720_ts_collect_data(struct jornada_ts *jornada_ts)
>> {
>>
>> - /* 3 low word X samples */
>> - jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
>> - jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
>> - jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
>> + /* 3 low word X samples */
>> + jornada_ts->x_data[0] = jornada_ssp_byte(TXDUMMY);
>> + jornada_ts->x_data[1] = jornada_ssp_byte(TXDUMMY);
>> + jornada_ts->x_data[2] = jornada_ssp_byte(TXDUMMY);
>
> Please don't mix pure whitespace changes with technical changes.
> While I can't fault you for wanting to get rid of the 4 space
> tabs, it makes review more complicated when they are mixed in
> a single commit.
Thanks for highlighting that. Will send two patches then.
>
> P.
> --
>
>>
>> - /* 3 low word Y samples */
>> - jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
>> - jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
>> - jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
>> + /* 3 low word Y samples */
>> + jornada_ts->y_data[0] = jornada_ssp_byte(TXDUMMY);
>> + jornada_ts->y_data[1] = jornada_ssp_byte(TXDUMMY);
>> + jornada_ts->y_data[2] = jornada_ssp_byte(TXDUMMY);
>>
>> - /* combined x samples bits */
>> - jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
>> + /* combined x samples bits */
>> + jornada_ts->x_data[3] = jornada_ssp_byte(TXDUMMY);
>>
>> - /* combined y samples bits */
>> - jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
>> + /* combined y samples bits */
>> + jornada_ts->y_data[3] = jornada_ssp_byte(TXDUMMY);
>> }
>>
>> static int jornada720_ts_average(int coords[4])
>> @@ -104,13 +104,10 @@ static int jornada720_ts_probe(struct platform_device *pdev)
>> struct input_dev *input_dev;
>> int error;
>>
>> - jornada_ts = kzalloc(sizeof(struct jornada_ts), GFP_KERNEL);
>> - input_dev = input_allocate_device();
>> -
>> - if (!jornada_ts || !input_dev) {
>> - error = -ENOMEM;
>> - goto fail1;
>> - }
>> + jornada_ts = devm_kzalloc(&pdev->dev, sizeof(*jornada_ts), GFP_KERNEL);
>> + input_dev = devm_input_allocate_device(&pdev->dev);
>> + if (!jornada_ts || !input_dev)
>> + return -ENOMEM;
>>
>> platform_set_drvdata(pdev, jornada_ts);
>>
>> @@ -126,36 +123,18 @@ static int jornada720_ts_probe(struct platform_device *pdev)
>> input_set_abs_params(input_dev, ABS_X, 270, 3900, 0, 0);
>> input_set_abs_params(input_dev, ABS_Y, 180, 3700, 0, 0);
>>
>> - error = request_irq(IRQ_GPIO9,
>> + error = devm_request_irq(&pdev->dev, IRQ_GPIO9,
>> jornada720_ts_interrupt,
>> IRQF_TRIGGER_RISING,
>> "HP7XX Touchscreen driver", pdev);
>> if (error) {
>> - printk(KERN_INFO "HP7XX TS : Unable to acquire irq!\n");
>> - goto fail1;
>> + dev_err(&pdev->dev, "HP7XX TS : Unable to acquire irq!\n");
>> + return error;
>> }
>>
>> error = input_register_device(jornada_ts->dev);
>> if (error)
>> - goto fail2;
>> -
>> - return 0;
>> -
>> - fail2:
>> - free_irq(IRQ_GPIO9, pdev);
>> - fail1:
>> - input_free_device(input_dev);
>> - kfree(jornada_ts);
>> - return error;
>> -}
>> -
>> -static int jornada720_ts_remove(struct platform_device *pdev)
>> -{
>> - struct jornada_ts *jornada_ts = platform_get_drvdata(pdev);
>> -
>> - free_irq(IRQ_GPIO9, pdev);
>> - input_unregister_device(jornada_ts->dev);
>> - kfree(jornada_ts);
>> + return error;
>>
>> return 0;
>> }
>> @@ -165,7 +144,6 @@ MODULE_ALIAS("platform:jornada_ts");
>>
>> static struct platform_driver jornada720_ts_driver = {
>> .probe = jornada720_ts_probe,
>> - .remove = jornada720_ts_remove,
>> .driver = {
>> .name = "jornada_ts",
>> .owner = THIS_MODULE,
>>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-input" in
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> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
Thanks and Regards
Pramod