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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.c100
1 files changed, 41 insertions, 59 deletions
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index c2b698d69a9..2ed774e7d34 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -144,26 +144,27 @@ int pcap_to_irq(struct pcap_chip *pcap, int irq)
}
EXPORT_SYMBOL_GPL(pcap_to_irq);
-static void pcap_mask_irq(unsigned int irq)
+static void pcap_mask_irq(struct irq_data *d)
{
- struct pcap_chip *pcap = get_irq_chip_data(irq);
+ struct pcap_chip *pcap = irq_data_get_irq_chip_data(d);
- pcap->msr |= 1 << irq_to_pcap(pcap, irq);
+ pcap->msr |= 1 << irq_to_pcap(pcap, d->irq);
queue_work(pcap->workqueue, &pcap->msr_work);
}
-static void pcap_unmask_irq(unsigned int irq)
+static void pcap_unmask_irq(struct irq_data *d)
{
- struct pcap_chip *pcap = get_irq_chip_data(irq);
+ struct pcap_chip *pcap = irq_data_get_irq_chip_data(d);
- pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));
+ pcap->msr &= ~(1 << irq_to_pcap(pcap, d->irq));
queue_work(pcap->workqueue, &pcap->msr_work);
}
static struct irq_chip pcap_irq_chip = {
- .name = "pcap",
- .mask = pcap_mask_irq,
- .unmask = pcap_unmask_irq,
+ .name = "pcap",
+ .irq_disable = pcap_mask_irq,
+ .irq_mask = pcap_mask_irq,
+ .irq_unmask = pcap_unmask_irq,
};
static void pcap_msr_work(struct work_struct *work)
@@ -176,7 +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;
@@ -184,7 +185,7 @@ static void pcap_isr_work(struct work_struct *work)
ezx_pcap_read(pcap, PCAP_REG_MSR, &msr);
ezx_pcap_read(pcap, PCAP_REG_ISR, &isr);
- /* We cant service/ack irqs that are assigned to port 2 */
+ /* We can't service/ack irqs that are assigned to port 2 */
if (!(pdata->config & PCAP_SECOND_PORT)) {
ezx_pcap_read(pcap, PCAP_REG_INT_SEL, &int_sel);
isr &= ~int_sel;
@@ -196,29 +197,19 @@ static void pcap_isr_work(struct work_struct *work)
local_irq_disable();
service = isr & ~msr;
for (irq = pcap->irq_base; service; service >>= 1, irq++) {
- if (service & 1) {
- struct irq_desc *desc = irq_to_desc(irq);
-
- if (WARN(!desc, KERN_WARNING
- "Invalid PCAP IRQ %d\n", irq))
- break;
-
- if (desc->status & IRQ_DISABLED)
- note_interrupt(irq, desc, IRQ_NONE);
- else
- desc->handle_irq(irq, desc);
- }
+ if (service & 1)
+ generic_handle_irq(irq);
}
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)
{
- struct pcap_chip *pcap = get_irq_data(irq);
+ struct pcap_chip *pcap = irq_get_handler_data(irq);
- desc->chip->ack(irq);
+ desc->irq_data.chip->irq_ack(&desc->irq_data);
queue_work(pcap->workqueue, &pcap->isr_work);
return;
}
@@ -282,7 +273,7 @@ static irqreturn_t pcap_adc_irq(int irq, void *_pcap)
mutex_lock(&pcap->adc_mutex);
req = pcap->adc_queue[pcap->adc_head];
- if (WARN(!req, KERN_WARNING "adc irq without pending request\n")) {
+ if (WARN(!req, "adc irq without pending request\n")) {
mutex_unlock(&pcap->adc_mutex);
return IRQ_HANDLED;
}
@@ -380,7 +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;
@@ -400,19 +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]);
@@ -420,18 +407,16 @@ static int __devexit ezx_pcap_remove(struct spi_device *spi)
/* cleanup irqchip */
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++)
- set_irq_chip_and_handler(i, NULL, NULL);
+ irq_set_chip_and_handler(i, NULL, NULL);
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;
@@ -440,7 +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;
@@ -450,14 +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;
@@ -466,8 +451,8 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
pcap->workqueue = create_singlethread_workqueue("pcapd");
if (!pcap->workqueue) {
ret = -ENOMEM;
- dev_err(&spi->dev, "cant create pcap thread\n");
- goto free_pcap;
+ dev_err(&spi->dev, "can't create pcap thread\n");
+ goto ret;
}
/* redirect interrupts to AP, except adcdone2 */
@@ -477,12 +462,12 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
/* setup irq chip */
for (i = pcap->irq_base; i < (pcap->irq_base + PCAP_NIRQS); i++) {
- set_irq_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq);
- set_irq_chip_data(i, pcap);
+ irq_set_chip_and_handler(i, &pcap_irq_chip, handle_simple_irq);
+ irq_set_chip_data(i, pcap);
#ifdef CONFIG_ARM
set_irq_flags(i, IRQF_VALID);
#else
- set_irq_noprobe(i);
+ irq_set_noprobe(i);
#endif
}
@@ -491,16 +476,17 @@ static int __devinit ezx_pcap_probe(struct spi_device *spi)
ezx_pcap_write(pcap, PCAP_REG_ISR, PCAP_CLEAR_INTERRUPT_REGISTER);
pcap->msr = PCAP_MASK_ALL_INTERRUPT;
- set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING);
- set_irq_data(spi->irq, pcap);
- set_irq_chained_handler(spi->irq, pcap_irq_handler);
- set_irq_wake(spi->irq, 1);
+ irq_set_irq_type(spi->irq, IRQ_TYPE_EDGE_RISING);
+ irq_set_handler_data(spi->irq, pcap);
+ irq_set_chained_handler(spi->irq, pcap_irq_handler);
+ irq_set_irq_wake(spi->irq, 1);
/* ADC */
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;
@@ -519,22 +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++)
- set_irq_chip_and_handler(i, NULL, NULL);
+ 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,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:37:57 +0000