AcoSail/kernel_optimize_test
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mfd: ezx-pcap: Drop devm_free_irq of devm_ allocated irq

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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>
This commit is contained in:
Wei Yongjun 2013-09-25 15:37:45 +08:00 committed by Lee Jones
parent e90f875419
commit 89720264a1
1 changed files with 1 additions and 7 deletions
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8
drivers/mfd/ezx-pcap.c
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@ -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);