linux-kernel - [PATCH 17/21] Revert "IIO: ti_adc: Correct wrong samples received on 1st read in continuous mode"

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Date:	Wed, 17 Jul 2013 18:26:46 +0100
From:	Zubair Lutfullah <zubair.lutfullah@...il.com>
To:	jic23@....ac.uk
Cc:	linux-iio@...r.kernel.org, gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org, koen@...inion.thruhere.net,
	zubair.lutfullah@...il.com
Subject: [PATCH 17/21] Revert "IIO: ti_adc: Correct wrong samples received on 1st read in continuous mode"

With a proper fix to this code, this is no longer neccessary.

Signed-off-by: Russ Dill <Russ.Dill@...com>
Signed-off-by: Zubair Lutfullah <zubair.lutfullah@...il.com>
---
 drivers/iio/adc/ti_am335x_adc.c |    8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index 21294f2..1f42e0a 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -36,7 +36,6 @@
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/kfifo_buf.h>
 #include <linux/iio/sysfs.h>
-#include <linux/delay.h>
 
 struct tiadc_device {
 	struct ti_tscadc_dev *mfd_tscadc;
@@ -222,13 +221,6 @@ static void tiadc_poll_handler(struct work_struct *work_s)
         iBuf = kmalloc((fifo1count) * sizeof(u32), GFP_KERNEL);
         if (iBuf == NULL)
                 goto out;
-        /*
-         * Wait for ADC sequencer to settle down.
-         * There could be a scenario where in we
-         * try to read data from ADC before
-         * it is available.
-         */
-        udelay(500);
 
         for (i = 0; i < fifo1count; i++) {
                 readx1 = tiadc_readl(adc_dev, REG_FIFO1);
-- 
1.7.9.5

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