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tests: drivers: dma set correct type for the chan_id

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The chan_id value returned by dma_request_channel
can be negative, changing the type of chan_id to int.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2021-05-04 12:41:39 +02:00 • committed by Kumar Gala
commit cb1ac9e925
1 changed files with 3 additions and 2 deletions
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5
tests/drivers/dma/loop_transfer/src/test_dma_loop.c
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@ -88,7 +88,7 @@ static void dma_user_callback(const struct device *dma_dev, void *arg,
static int test_loop(void)
{
const struct device *dma;
static uint32_t chan_id;
static int chan_id;
TC_PRINT("DMA memory to memory transfer started on %s\n",
DMA_DEVICE_NAME);
@ -124,13 +124,14 @@ static int test_loop(void)
#ifdef CONFIG_DMA_MCUX_TEST_SLOT_START
dma_cfg.dma_slot = CONFIG_DMA_MCUX_TEST_SLOT_START;
#endif
chan_id = dma_request_channel(dma, NULL);
if (chan_id < 0) {
TC_PRINT("this platform do not support the dma channel\n");
chan_id = CONFIG_DMA_LOOP_TRANSFER_CHANNEL_NR;
}
transfer_count = 0;
TC_PRINT("Starting the transfer and waiting for 1 second\n");
TC_PRINT("Starting the transfer on channel %d and waiting for 1 second\n", chan_id);
dma_block_cfg.block_size = strlen(tx_data);
dma_block_cfg.source_address = (uint32_t)tx_data;
dma_block_cfg.dest_address = (uint32_t)rx_data[transfer_count];