diff options
Diffstat (limited to 'drivers/input/touchscreen/ad7877.c')
| -rw-r--r-- | drivers/input/touchscreen/ad7877.c | 34 |
1 files changed, 8 insertions, 26 deletions
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c index 49a36df0b75..523865daa1d 100644 --- a/drivers/input/touchscreen/ad7877.c +++ b/drivers/input/touchscreen/ad7877.c @@ -37,7 +37,6 @@ #include <linux/device.h> -#include <linux/init.h> #include <linux/delay.h> #include <linux/input.h> #include <linux/interrupt.h> @@ -211,11 +210,6 @@ static bool gpio3; module_param(gpio3, bool, 0); MODULE_PARM_DESC(gpio3, "If gpio3 is set to 1 AUX3 acts as GPIO3"); -/* - * ad7877_read/write are only used for initial setup and for sysfs controls. - * The main traffic is done using spi_async() in the interrupt handler. - */ - static int ad7877_read(struct spi_device *spi, u16 reg) { struct ser_req *req; @@ -273,7 +267,7 @@ static int ad7877_write(struct spi_device *spi, u16 reg, u16 val) static int ad7877_read_adc(struct spi_device *spi, unsigned command) { - struct ad7877 *ts = dev_get_drvdata(&spi->dev); + struct ad7877 *ts = spi_get_drvdata(spi); struct ser_req *req; int status; int sample; @@ -682,11 +676,11 @@ static void ad7877_setup_ts_def_msg(struct spi_device *spi, struct ad7877 *ts) } } -static int __devinit ad7877_probe(struct spi_device *spi) +static int ad7877_probe(struct spi_device *spi) { struct ad7877 *ts; struct input_dev *input_dev; - struct ad7877_platform_data *pdata = spi->dev.platform_data; + struct ad7877_platform_data *pdata = dev_get_platdata(&spi->dev); int err; u16 verify; @@ -720,7 +714,7 @@ static int __devinit ad7877_probe(struct spi_device *spi) goto err_free_mem; } - dev_set_drvdata(&spi->dev, ts); + spi_set_drvdata(spi, ts); ts->spi = spi; ts->input = input_dev; @@ -806,13 +800,12 @@ err_free_irq: err_free_mem: input_free_device(input_dev); kfree(ts); - dev_set_drvdata(&spi->dev, NULL); return err; } -static int __devexit ad7877_remove(struct spi_device *spi) +static int ad7877_remove(struct spi_device *spi) { - struct ad7877 *ts = dev_get_drvdata(&spi->dev); + struct ad7877 *ts = spi_get_drvdata(spi); sysfs_remove_group(&spi->dev.kobj, &ad7877_attr_group); @@ -823,7 +816,6 @@ static int __devexit ad7877_remove(struct spi_device *spi) kfree(ts); dev_dbg(&spi->dev, "unregistered touchscreen\n"); - dev_set_drvdata(&spi->dev, NULL); return 0; } @@ -857,20 +849,10 @@ static struct spi_driver ad7877_driver = { .pm = &ad7877_pm, }, .probe = ad7877_probe, - .remove = __devexit_p(ad7877_remove), + .remove = ad7877_remove, }; -static int __init ad7877_init(void) -{ - return spi_register_driver(&ad7877_driver); -} -module_init(ad7877_init); - -static void __exit ad7877_exit(void) -{ - spi_unregister_driver(&ad7877_driver); -} -module_exit(ad7877_exit); +module_spi_driver(ad7877_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("AD7877 touchscreen Driver"); |
