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path: root/drivers/mfd/ezx-pcap.c
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Diffstat (limited to 'drivers/mfd/ezx-pcap.c')
-rw-r--r--drivers/mfd/ezx-pcap.c39
1 files changed, 15 insertions, 24 deletions
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 43a76c41cfc..2ed774e7d34 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -177,7 +177,7 @@ static void pcap_msr_work(struct work_struct *work)
static void pcap_isr_work(struct work_struct *work)
{
struct pcap_chip *pcap = container_of(work, struct pcap_chip, isr_work);
- struct pcap_platform_data *pdata = pcap->spi->dev.platform_data;
+ struct pcap_platform_data *pdata = dev_get_platdata(&pcap->spi->dev);
u32 msr, isr, int_sel, service;
int irq;
@@ -202,7 +202,7 @@ static void pcap_isr_work(struct work_struct *work)
}
local_irq_enable();
ezx_pcap_write(pcap, PCAP_REG_MSR, pcap->msr);
- } while (gpio_get_value(irq_to_gpio(pcap->spi->irq)));
+ } while (gpio_get_value(pdata->gpio));
}
static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
@@ -371,7 +371,7 @@ static int pcap_remove_subdev(struct device *dev, void *unused)
return 0;
}
-static int __devinit pcap_add_subdev(struct pcap_chip *pcap,
+static int pcap_add_subdev(struct pcap_chip *pcap,
struct pcap_subdev *subdev)
{
struct platform_device *pdev;
@@ -391,19 +391,15 @@ static int __devinit pcap_add_subdev(struct pcap_chip *pcap,
return ret;
}
-static int __devexit ezx_pcap_remove(struct spi_device *spi)
+static int ezx_pcap_remove(struct spi_device *spi)
{
- struct pcap_chip *pcap = dev_get_drvdata(&spi->dev);
- struct pcap_platform_data *pdata = spi->dev.platform_data;
- int i, adc_irq;
+ struct pcap_chip *pcap = spi_get_drvdata(spi);
+ int i;
/* remove all registered subdevs */
device_for_each_child(&spi->dev, NULL, pcap_remove_subdev);
/* cleanup ADC */
- adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
- PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE);
- free_irq(adc_irq, pcap);
mutex_lock(&pcap->adc_mutex);
for (i = 0; i < PCAP_ADC_MAXQ; i++)
kfree(pcap->adc_queue[i]);
@@ -415,14 +411,12 @@ static int __devexit ezx_pcap_remove(struct spi_device *spi)
destroy_workqueue(pcap->workqueue);
- kfree(pcap);
-
return 0;
}
-static int __devinit ezx_pcap_probe(struct spi_device *spi)
+static int ezx_pcap_probe(struct spi_device *spi)
{
- struct pcap_platform_data *pdata = spi->dev.platform_data;
+ struct pcap_platform_data *pdata = dev_get_platdata(&spi->dev);
struct pcap_chip *pcap;
int i, adc_irq;
int ret = -ENODEV;
@@ -431,7 +425,7 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
if (!pdata)
goto ret;
- pcap = kzalloc(sizeof(*pcap), GFP_KERNEL);
+ pcap = devm_kzalloc(&spi->dev, sizeof(*pcap), GFP_KERNEL);
if (!pcap) {
ret = -ENOMEM;
goto ret;
@@ -441,14 +435,14 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
mutex_init(&pcap->adc_mutex);
INIT_WORK(&pcap->isr_work, pcap_isr_work);
INIT_WORK(&pcap->msr_work, pcap_msr_work);
- dev_set_drvdata(&spi->dev, pcap);
+ spi_set_drvdata(spi, pcap);
/* setup spi */
spi->bits_per_word = 32;
spi->mode = SPI_MODE_0 | (pdata->config & PCAP_CS_AH ? SPI_CS_HIGH : 0);
ret = spi_setup(spi);
if (ret)
- goto free_pcap;
+ goto ret;
pcap->spi = spi;
@@ -458,7 +452,7 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
if (!pcap->workqueue) {
ret = -ENOMEM;
dev_err(&spi->dev, "can't create pcap thread\n");
- goto free_pcap;
+ goto ret;
}
/* redirect interrupts to AP, except adcdone2 */
@@ -491,7 +485,8 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
adc_irq = pcap_to_irq(pcap, (pdata->config & PCAP_SECOND_PORT) ?
PCAP_IRQ_ADCDONE2 : PCAP_IRQ_ADCDONE);
- ret = request_irq(adc_irq, pcap_adc_irq, 0, "ADC", pcap);
+ ret = devm_request_irq(&spi->dev, adc_irq, pcap_adc_irq, 0, "ADC",
+ pcap);
if (ret)
goto free_irqchip;
@@ -510,22 +505,18 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
remove_subdevs:
device_for_each_child(&spi->dev, NULL, pcap_remove_subdev);
-/* free_adc: */
- free_irq(adc_irq, pcap);
free_irqchip:
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
irq_set_chip_and_handler(i, NULL, NULL);
/* destroy_workqueue: */
destroy_workqueue(pcap->workqueue);
-free_pcap:
- kfree(pcap);
ret:
return ret;
}
static struct spi_driver ezxpcap_driver = {
.probe = ezx_pcap_probe,
- .remove = __devexit_p(ezx_pcap_remove),
+ .remove = ezx_pcap_remove,
.driver = {
.name = "ezx-pcap",
.owner = THIS_MODULE,