mfd: ezx-pcap: Drop devm_free_irq of devm_ allocated irq

The devm_request_irq function allocates irq that is released
when a driver detaches. Thus, there is no reason to explicitly
call devm_free_irq in probe or remove functions.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 7245b0c5b794..2ed774e7d342 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -394,16 +394,12 @@ static int pcap_add_subdev(struct pcap_chip *pcap,
 static int ezx_pcap_remove(struct spi_device *spi)
 {
         struct pcap_chip *pcap = spi_get_drvdata(spi);
-        struct pcap_platform_data *pdata = dev_get_platdata(&spi->dev);
-        int i, adc_irq;
+        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);
-        devm_free_irq(&spi->dev, adc_irq, pcap);
         mutex_lock(&pcap->adc_mutex);
         for (i = 0; i < PCAP_ADC_MAXQ; i++)
                 kfree(pcap->adc_queue[i]);
@@ -509,8 +505,6 @@ static int ezx_pcap_probe(struct spi_device *spi)
 
 remove_subdevs:
         device_for_each_child(&spi->dev, NULL, pcap_remove_subdev);
-/* free_adc: */
-        devm_free_irq(&spi->dev, 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);