dma: add error check on peripheral to peripheral
add dma direction check for dma_sam0 Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>
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1 changed files with 5 additions and 1 deletions
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@ -149,10 +149,14 @@ static int dma_sam0_config(struct device *dev, uint32_t channel,
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*/
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chcfg->CHCTRLA.reg = DMAC_CHCTRLA_TRIGACT_TRANSACTION |
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DMAC_CHCTRLA_TRIGSRC(config->dma_slot);
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} else {
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} else if ((config->channel_direction == MEMORY_TO_PERIPHERAL) ||
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(config->channel_direction == PERIPHERAL_TO_MEMORY)) {
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/* One peripheral trigger per beat */
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chcfg->CHCTRLA.reg = DMAC_CHCTRLA_TRIGACT_BURST |
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DMAC_CHCTRLA_TRIGSRC(config->dma_slot);
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} else {
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LOG_ERR("Direction error. %d", config->channel_direction);
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goto inval;
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}
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/* Set the priority */
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