dmaengine: ti: k3-udma: Fix BCDMA for case w/o BCHAN

Reusing loop iterator fails if BCHAN is not present as iterator is
uninitialized

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20221213164304.1126945-3-vigneshr@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index ce8b80b..aa50d46 100644 (file)
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -4774,7 +4774,10 @@ static int bcdma_setup_resources(struct udma_dev *ud)
                                irq_res.desc[i].num = rm_res->desc[i].num;
                        }
                }
+       } else {
+               i = 0;
        }
+
        if (ud->tchan_cnt) {
                rm_res = tisci_rm->rm_ranges[RM_RANGE_TCHAN];
                if (IS_ERR(rm_res)) {