mfd: ti_am335x: Drop am335x_tsc_se_update() from resume path

The update of the SE register in MFD doesn't look right as it has
nothing to do with it. The better place to do it is in TSC driver (which
is already doing it) and in the ADC driver which needs this only in the
continues mode.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 95eef8e..e0dc2d0 100644 (file)
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -199,6 +199,7 @@ static int tiadc_buffer_predisable(struct iio_dev *indio_dev)
        tiadc_writel(adc_dev, REG_IRQCLR, (IRQENB_FIFO1THRES |
                                IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW));
        am335x_tsc_se_clr(adc_dev->mfd_tscadc, adc_dev->buffer_en_ch_steps);
+       adc_dev->buffer_en_ch_steps = 0;
 
        /* Flush FIFO of leftover data in the time it takes to disable adc */
        fifo1count = tiadc_readl(adc_dev, REG_FIFO1CNT);
@@ -491,6 +492,7 @@ static int tiadc_resume(struct device *dev)
        tiadc_writel(adc_dev, REG_CTRL, restore);
 
        tiadc_step_config(indio_dev);
+       am335x_tsc_se_set(adc_dev->mfd_tscadc, adc_dev->buffer_en_ch_steps);
 
        return 0;
 }

diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index cb0c211..157f569 100644 (file)
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -309,7 +309,6 @@ static int tscadc_resume(struct device *dev)
 
        if (tscadc_dev->tsc_cell != -1)
                tscadc_idle_config(tscadc_dev);
-       am335x_tsc_se_update(tscadc_dev);
        restore = tscadc_readl(tscadc_dev, REG_CTRL);
        tscadc_writel(tscadc_dev, REG_CTRL,
                        (restore | CNTRLREG_TSCSSENB));