Unverified Commit f627b052 authored by Kai Vehmanen's avatar Kai Vehmanen Committed by Mark Brown
Browse files

ASoC: SOF: trace: remove code duplication in sof_wait_trace_avail() 



Move duplicated code in sof_wait_trace_avail() to a helper function.

Signed-off-by: default avatarKai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b11c5b5e

sound/soc/sof/trace.c

+16 −9
Original line number Diff line number Diff line
@@ -13,10 +13,9 @@ 
#include "sof-priv.h"

#include "ops.h"



static size_t sof_wait_trace_avail(struct snd_sof_dev *sdev,

static size_t sof_trace_avail(struct snd_sof_dev *sdev,

			      loff_t pos, size_t buffer_size)

{

	wait_queue_entry_t wait;

	loff_t host_offset = READ_ONCE(sdev->host_offset);



	/*
@@ -31,6 +30,19 @@ static size_t sof_wait_trace_avail(struct snd_sof_dev *sdev, 
	if (host_offset > pos)

		return host_offset - pos;



	return 0;

}



static size_t sof_wait_trace_avail(struct snd_sof_dev *sdev,

				   loff_t pos, size_t buffer_size)

{

	wait_queue_entry_t wait;

	size_t ret = sof_trace_avail(sdev, pos, buffer_size);



	/* data immediately available */

	if (ret)

		return ret;



	/* wait for available trace data from FW */

	init_waitqueue_entry(&wait, current);

	set_current_state(TASK_INTERRUPTIBLE);
@@ -42,12 +54,7 @@ static size_t sof_wait_trace_avail(struct snd_sof_dev *sdev, 
	}

	remove_wait_queue(&sdev->trace_sleep, &wait);



	/* return bytes available for copy */

	host_offset = READ_ONCE(sdev->host_offset);

	if (host_offset < pos)

		return buffer_size - pos;



	return host_offset - pos;

	return sof_trace_avail(sdev, pos, buffer_size);

}



static ssize_t sof_dfsentry_trace_read(struct file *file, char __user *buffer,

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