simplicity_sdk: Patch to handle DMA stop on error

added dma stop transfer handling in leader &
follower dispatch interrupt functions during
error state in sl_i2c.c to stop dma transfer
upon failure

Upstream-Status: Pending
Signed-off-by: S Mohamed Fiaz <[email protected]>

Author: fimohame

simplicity_sdk/platform/driver/i2c/src/sl_i2c.c

@@ -1649,6 +1649,11 @@ void sli_i2c_leader_dispatch_interrupt(sli_i2c_instance_t *sl_i2c_instance)
     }
     sl_i2c_instance->state = SLI_I2C_STATE_ERROR;
     sl_hal_i2c_clear_interrupts(i2c_base_addr, _I2C_IF_MASK);
+    if (sl_i2c_instance->transfer_seq == SL_I2C_WRITE) {
+      DMADRV_StopTransfer(sl_i2c_instance->dma_channel.dma_tx_channel);
+    } else if (sl_i2c_instance->transfer_seq == SL_I2C_READ) {
+      DMADRV_StopTransfer(sl_i2c_instance->dma_channel.dma_rx_channel);
+    }    
     // Abort on error
     (i2c_base_addr)->CMD = I2C_CMD_ABORT;
   }
@@ -1732,6 +1737,11 @@ void sli_i2c_follower_dispatch_interrupt(sli_i2c_instance_t *sl_i2c_instance)
     }
     sl_i2c_instance->state = SLI_I2C_STATE_ERROR;
     sl_hal_i2c_clear_interrupts(i2c_base_addr, _I2C_IF_MASK);
+    if (sl_i2c_instance->transfer_seq == SL_I2C_WRITE) {
+      DMADRV_StopTransfer(sl_i2c_instance->dma_channel.dma_tx_channel);
+    } else if (sl_i2c_instance->transfer_seq == SL_I2C_READ) {
+      DMADRV_StopTransfer(sl_i2c_instance->dma_channel.dma_rx_channel);
+    } 
     // Abort on error
     (i2c_base_addr)->CMD = I2C_CMD_ABORT;
   }