linux-kernel - [PATCH v2 2/2] dmaengine: tegra: Remove unused switch case

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Date:   Tue, 26 Apr 2022 15:49:13 +0530
From:   Akhil R <akhilrajeev@...dia.com>
To:     <devicetree@...r.kernel.org>, <dmaengine@...r.kernel.org>,
        <jonathanh@...dia.com>, <kyarlagadda@...dia.com>,
        <ldewangan@...dia.com>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <p.zabel@...gutronix.de>,
        <rgumasta@...dia.com>, <robh+dt@...nel.org>,
        <thierry.reding@...il.com>, <nathan@...nel.org>,
        <vkoul@...nel.org>, <dan.carpenter@...cle.com>
CC:     <akhilrajeev@...dia.com>
Subject: [PATCH v2 2/2] dmaengine: tegra: Remove unused switch case

Remove unused switch case in get_transfer_param() function.
The function is not called for MEM_TO_MEM transfers.

Signed-off-by: Akhil R <akhilrajeev@...dia.com>
---
 drivers/dma/tegra186-gpc-dma.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/dma/tegra186-gpc-dma.c b/drivers/dma/tegra186-gpc-dma.c
index a0dbafa07ec9..6b8d34165176 100644
--- a/drivers/dma/tegra186-gpc-dma.c
+++ b/drivers/dma/tegra186-gpc-dma.c
@@ -830,10 +830,6 @@ static int get_transfer_param(struct tegra_dma_channel *tdc,
 		*slave_bw = tdc->dma_sconfig.src_addr_width;
 		*csr = TEGRA_GPCDMA_CSR_DMA_IO2MEM_FC;
 		return 0;
-	case DMA_MEM_TO_MEM:
-		*burst_size = tdc->dma_sconfig.src_addr_width;
-		*csr = TEGRA_GPCDMA_CSR_DMA_MEM2MEM;
-		return 0;
 	default:
 		dev_err(tdc2dev(tdc), "DMA direction is not supported\n");
 	}
-- 
2.17.1