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lib-manager: Add timeout handling in lib_manager_load_data_from_host() 

It is better to have some sort of timeout handling while waiting for the
DMA transfer of the library from host.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
This commit is contained in:
Peter Ujfalusi 2023-07-28 11:32:11 +03:00 committed by Liam Girdwood
parent 6ba343691a
commit 9dd3f10481
1 changed files with 15 additions and 10 deletions
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25
src/library_manager/lib_manager.c
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@ -444,23 +444,28 @@ static int lib_manager_dma_deinit(struct lib_manager_dma_ext *dma_ext, uint32_t
static int lib_manager_load_data_from_host(struct lib_manager_dma_ext *dma_ext, uint32_t size)
{
uint64_t timeout = k_ms_to_cyc_ceil64(200);
struct dma_status stat;
int ret;
ret = dma_get_status(dma_ext->chan->dma->z_dev, dma_ext->chan->index, &stat);
if (ret < 0)
return ret;
/* Wait till whole data acquired with timeout of 200ms */
timeout += sof_cycle_get_64();
/* Wait till whole data acquired */
while (stat.pending_length < size) {
k_usleep(100);
ret = dma_get_status(dma_ext->chan->dma->z_dev, dma_ext->chan->index, &stat);
if (ret < 0)
for (;;) {
ret = dma_get_status(dma_ext->chan->dma->z_dev,
dma_ext->chan->index, &stat);
if (ret < 0 || stat.pending_length >= size)
return ret;
if (sof_cycle_get_64() > timeout)
break;
k_usleep(100);
}
return 0;
tr_err(&lib_manager_tr,
"lib_manager_load_data_from_host(): timeout during DMA transfer");
return -ETIMEDOUT;
}
static int lib_manager_store_data(struct lib_manager_dma_ext *dma_ext,