From: Vignesh Raghavendra <vigneshr@ti.com>
To: Peter Ujfalusi <peter.ujfalusi@gmail.com>,
Vinod Koul <vkoul@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>
Cc: <dmaengine@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Vignesh Raghavendra <vigneshr@ti.com>,
<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH v3 2/5] dmaengine: ti: k3-udma: Fix BCDMA for case w/o BCHAN
Date: Tue, 13 Dec 2022 22:13:01 +0530 [thread overview]
Message-ID: <20221213164304.1126945-3-vigneshr@ti.com> (raw)
In-Reply-To: <20221213164304.1126945-1-vigneshr@ti.com>
Reusing loop iterator fails if BCHAN is not present as iterator is
uninitialized
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
---
drivers/dma/ti/k3-udma.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index ce8b80bb34d7..aa50d46fa856 100644
--- 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)) {
--
2.38.1
next prev parent reply other threads:[~2022-12-13 16:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-13 16:42 [PATCH v3 0/5] dmaengine: Add support for AM62A SoC DMAs Vignesh Raghavendra
2022-12-13 16:43 ` [PATCH v3 1/5] dt-bindings: dma: ti: k3-bcdma: Add bindings for BCDMA CSI RX Vignesh Raghavendra
2022-12-14 11:59 ` Krzysztof Kozlowski
2022-12-13 16:43 ` Vignesh Raghavendra [this message]
2022-12-13 16:43 ` [PATCH v3 3/5] dmaengine: ti: k3-psil-am62a: Add AM62Ax PSIL and PDMA data Vignesh Raghavendra
2022-12-13 16:43 ` [PATCH v3 4/5] dmaengine: ti: k3-udma: Add support for DMAs on AM62A SoC Vignesh Raghavendra
2022-12-13 16:43 ` [PATCH v3 5/5] dmaengine: ti: k3-udma: Add support for BCDMA CSI RX Vignesh Raghavendra
2022-12-17 16:56 ` [PATCH v3 0/5] dmaengine: Add support for AM62A SoC DMAs Péter Ujfalusi
2022-12-28 6:37 ` Vinod Koul
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