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 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
