linux-kernel - [PATCH v2 2/3] iio: adc: at91-sama5d2_adc: remove predisable/postenable hooks

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Message-ID: <20200525113855.178821-2-alexandru.ardelean@analog.com>
Date:   Mon, 25 May 2020 14:38:54 +0300
From:   Alexandru Ardelean <alexandru.ardelean@...log.com>
To:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>
CC:     <jic23@...nel.org>, <shawnguo@...nel.org>,
        <s.hauer@...gutronix.de>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <linus.walleij@...aro.org>,
        <lorenzo.bianconi83@...il.com>, <songqiang1304521@...il.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>
Subject: [PATCH v2 2/3] iio: adc: at91-sama5d2_adc: remove predisable/postenable hooks

This should be squashed into the first patch, but it's the more peculiar of
the changes.
I am not sure whether this is correct. The touchscreen channels shouldn't
be enabled by the IIO framework. So, we may need a different way to handle
those if needed.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@...log.com>
---
 drivers/iio/adc/at91-sama5d2_adc.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 9abbbdcc7420..f71071096392 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -937,14 +937,6 @@ static int at91_adc_buffer_preenable(struct iio_dev *indio_dev)
 	return 0;
 }
 
-static int at91_adc_buffer_postenable(struct iio_dev *indio_dev)
-{
-	if (at91_adc_current_chan_is_touch(indio_dev))
-		return 0;
-
-	return iio_triggered_buffer_postenable(indio_dev);
-}
-
 static int at91_adc_buffer_postdisable(struct iio_dev *indio_dev)
 {
 	struct at91_adc_state *st = iio_priv(indio_dev);
@@ -995,19 +987,9 @@ static int at91_adc_buffer_postdisable(struct iio_dev *indio_dev)
 	return 0;
 }
 
-static int at91_adc_buffer_predisable(struct iio_dev *indio_dev)
-{
-	if (at91_adc_current_chan_is_touch(indio_dev))
-		return 0;
-
-	return iio_triggered_buffer_predisable(indio_dev);
-}
-
 static const struct iio_buffer_setup_ops at91_buffer_setup_ops = {
 	.preenable = &at91_adc_buffer_preenable,
 	.postdisable = &at91_adc_buffer_postdisable,
-	.postenable = &at91_adc_buffer_postenable,
-	.predisable = &at91_adc_buffer_predisable,
 };
 
 static struct iio_trigger *at91_adc_allocate_trigger(struct iio_dev *indio,
-- 
2.25.1