Commit 0fab5ee0 authored by Giovanni Cabiddu's avatar Giovanni Cabiddu Committed by Herbert Xu
Browse files

crypto: qat - refactor ring-related debug functions 



Refactor the functions `adf_ring_start()` and `adf_ring_next()` to
improve readability.

This does not introduce any functional change.

Signed-off-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: default avatarAhsan Atta <ahsan.atta@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 6908c5f4

drivers/crypto/intel/qat/qat_common/adf_transport_debug.c

+14 −9
Original line number Diff line number Diff line
@@ -10,16 +10,21 @@ 
static DEFINE_MUTEX(ring_read_lock);

static DEFINE_MUTEX(bank_read_lock);



#define ADF_RING_NUM_MSGS(ring)					\

	(ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size) /	\

	ADF_MSG_SIZE_TO_BYTES(ring->msg_size))



static void *adf_ring_start(struct seq_file *sfile, loff_t *pos)

{

	struct adf_etr_ring_data *ring = sfile->private;

	unsigned int num_msg = ADF_RING_NUM_MSGS(ring);

	loff_t val = *pos;



	mutex_lock(&ring_read_lock);

	if (*pos == 0)

	if (val == 0)

		return SEQ_START_TOKEN;



	if (*pos >= (ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size) /

		     ADF_MSG_SIZE_TO_BYTES(ring->msg_size)))

	if (val >= num_msg)

		return NULL;



	return ring->base_addr +
@@ -29,15 +34,15 @@ static void *adf_ring_start(struct seq_file *sfile, loff_t *pos) 
static void *adf_ring_next(struct seq_file *sfile, void *v, loff_t *pos)

{

	struct adf_etr_ring_data *ring = sfile->private;

	unsigned int num_msg = ADF_RING_NUM_MSGS(ring);

	loff_t val = *pos;



	if (*pos >= (ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size) /

		     ADF_MSG_SIZE_TO_BYTES(ring->msg_size))) {

	(*pos)++;



	if (val >= num_msg)

		return NULL;

	}



	return ring->base_addr +

		(ADF_MSG_SIZE_TO_BYTES(ring->msg_size) * (*pos)++);

	return ring->base_addr + (ADF_MSG_SIZE_TO_BYTES(ring->msg_size) * val);

}



static int adf_ring_show(struct seq_file *sfile, void *v)