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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 v2 2/5] dmaengine: ti: k3-udma: Fix BCDMA for case w/o BCHAN
Date: Mon, 12 Dec 2022 16:24:13 +0530	[thread overview]
Message-ID: <20221212105416.3628442-3-vigneshr@ti.com> (raw)
In-Reply-To: <20221212105416.3628442-1-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


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WARNING: multiple messages have this Message-ID (diff)
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 v2 2/5] dmaengine: ti: k3-udma: Fix BCDMA for case w/o BCHAN
Date: Mon, 12 Dec 2022 16:24:13 +0530	[thread overview]
Message-ID: <20221212105416.3628442-3-vigneshr@ti.com> (raw)
In-Reply-To: <20221212105416.3628442-1-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


  parent reply	other threads:[~2022-12-12 10:55 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-12 10:54 [PATCH v2 0/5] dmaengine: Add support for AM62A SoC DMAs Vignesh Raghavendra
2022-12-12 10:54 ` Vignesh Raghavendra
2022-12-12 10:54 ` [PATCH v2 1/5] dt-bindings: dma: ti: k3-bcdma: Add bindings for BCDMA CSI RX Vignesh Raghavendra
2022-12-12 10:54   ` Vignesh Raghavendra
2022-12-12 11:59   ` Krzysztof Kozlowski
2022-12-12 11:59     ` Krzysztof Kozlowski
2022-12-12 10:54 ` Vignesh Raghavendra [this message]
2022-12-12 10:54   ` [PATCH v2 2/5] dmaengine: ti: k3-udma: Fix BCDMA for case w/o BCHAN Vignesh Raghavendra
2022-12-12 10:54 ` [PATCH v2 3/5] dmaengine: ti: k3-psil-am62a: Add AM62Ax PSIL and PDMA data Vignesh Raghavendra
2022-12-12 10:54   ` Vignesh Raghavendra
2022-12-12 10:54 ` [PATCH v2 4/5] dmaengine: ti: k3-udma: Add support for DMAs on AM62A SoC Vignesh Raghavendra
2022-12-12 10:54   ` Vignesh Raghavendra
2022-12-12 10:54 ` [PATCH v2 5/5] dmaengine: ti: k3-udma: Add support for BCDMA CSI RX Vignesh Raghavendra
2022-12-12 10:54   ` Vignesh Raghavendra

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