diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2010-05-24 23:37:19 +0200 |
|---|---|---|
| committer | Lars-Peter Clausen <lars@metafoo.de> | 2010-06-08 15:37:09 +0200 |
| commit | 4a29094bdf6ff382b7558e242ddb91c67fc200c7 (patch) | |
| tree | a6956e158bdcf88c2b916e2f383a810f81acef86 /drivers/mfd/pcf50633-adc.c | |
| parent | 7c3f9799aa31d974507bf73e8c29172ecc672ecf (diff) | |
MFD: pcf50633: Use mfd cells to register child devices
This patch changes the pcf50633 core code to use mfd cells to register child
devices instead of calling platform_device_{alloc,add} for each child.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Diffstat (limited to 'drivers/mfd/pcf50633-adc.c')
| -rw-r--r-- | drivers/mfd/pcf50633-adc.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/mfd/pcf50633-adc.c b/drivers/mfd/pcf50633-adc.c index aed0d2a9b03..bf77c8f9f6a 100644 --- a/drivers/mfd/pcf50633-adc.c +++ b/drivers/mfd/pcf50633-adc.c @@ -51,11 +51,6 @@ struct pcf50633_adc { struct mutex queue_mutex; }; -static inline struct pcf50633_adc *__to_adc(struct pcf50633 *pcf) -{ - return platform_get_drvdata(pcf->adc_pdev); -} - static void adc_setup(struct pcf50633 *pcf, int channel, int avg) { channel &= PCF50633_ADCC1_ADCMUX_MASK; @@ -71,7 +66,7 @@ static void adc_setup(struct pcf50633 *pcf, int channel, int avg) static void trigger_next_adc_job_if_any(struct pcf50633 *pcf) { - struct pcf50633_adc *adc = __to_adc(pcf); + struct pcf50633_adc *adc = pcf->adc; int head; head = adc->queue_head; @@ -85,7 +80,7 @@ static void trigger_next_adc_job_if_any(struct pcf50633 *pcf) static int adc_enqueue_request(struct pcf50633 *pcf, struct pcf50633_adc_request *req) { - struct pcf50633_adc *adc = __to_adc(pcf); + struct pcf50633_adc *adc = pcf->adc; int head, tail; mutex_lock(&adc->queue_mutex); @@ -201,13 +196,14 @@ static void pcf50633_adc_irq(int irq, void *data) static int __devinit pcf50633_adc_probe(struct platform_device *pdev) { + struct pcf50633 *pcf = dev_to_pcf50633(pdev->dev.parent); struct pcf50633_adc *adc; adc = kzalloc(sizeof(*adc), GFP_KERNEL); if (!adc) return -ENOMEM; - adc->pcf = dev_to_pcf50633(pdev->dev.parent); + adc->pcf = pcf; platform_set_drvdata(pdev, adc); pcf50633_register_irq(adc->pcf, PCF50633_IRQ_ADCRDY, @@ -215,6 +211,8 @@ static int __devinit pcf50633_adc_probe(struct platform_device *pdev) mutex_init(&adc->queue_mutex); + pcf->adc = adc; + return 0; } @@ -223,6 +221,8 @@ static int __devexit pcf50633_adc_remove(struct platform_device *pdev) struct pcf50633_adc *adc = platform_get_drvdata(pdev); int i, head; + adc->pcf->adc = NULL; + pcf50633_free_irq(adc->pcf, PCF50633_IRQ_ADCRDY); mutex_lock(&adc->queue_mutex); |