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mfd: input: iio: ti_am335x_adc: use one structure for ti_tscadc_dev

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The mfd driver creates platform data for the child devices and it is the
ti_tscadc_dev struct. This struct is copied for the two devices.
The copy of the structure makes a common lock in this structure a little
less usefull. Therefore the platform data is not a pointer to the
structure and the same structure is used.
While doing the change I noticed that the suspend/resume code assumes
the wrong pointer for ti_tscadc_dev and this has been fixed as well.

Signed-off-by: Sebastian Andrzej Siewior <[email protected]>
This commit is contained in:
Sebastian Andrzej Siewior 2013-06-05 16:13:47 +02:00
commit a9bce1b03c
4 changed files with 23 additions and 13 deletions
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5
drivers/iio/adc/ti_am335x_adc.c
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@ -140,7 +140,7 @@ static int tiadc_probe(struct platform_device *pdev)
{
struct iio_dev *indio_dev;
struct tiadc_device *adc_dev;
struct ti_tscadc_dev *tscadc_dev = pdev->dev.platform_data;
struct ti_tscadc_dev *tscadc_dev = ti_tscadc_dev_get(pdev);
struct mfd_tscadc_board *pdata;
int err;
@ -205,9 +205,10 @@ static int tiadc_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct tiadc_device *adc_dev = iio_priv(indio_dev);
struct ti_tscadc_dev *tscadc_dev = dev->platform_data;
struct ti_tscadc_dev *tscadc_dev;
unsigned int idle;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
if (!device_may_wakeup(tscadc_dev->dev)) {
idle = tiadc_readl(adc_dev, REG_CTRL);
idle &= ~(CNTRLREG_TSCSSENB);