linux-kernel - [PATCH v3 02/18] media: xilinx: Refactor struct xvip

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Date: Mon, 27 May 2024 21:08:52 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Michael Tretter <m.tretter@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
 Michal Simek <michal.simek@....com>, Andy Walls <awalls@...metrocast.net>, 
 Stanimir Varbanov <stanimir.k.varbanov@...il.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 Hans Verkuil <hverkuil-cisco@...all.nl>, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH v3 02/18] media: xilinx: Refactor struct xvip_dma

Replace a single element array with a single field.

The following cocci warning is fixed:
drivers/media/platform/xilinx/xilinx-dma.h:100:19-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/platform/xilinx/xilinx-dma.c | 4 ++--
 drivers/media/platform/xilinx/xilinx-dma.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index a96de5d388a1..a1687b868a44 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -348,8 +348,8 @@ static void xvip_dma_buffer_queue(struct vb2_buffer *vb)
 	}
 
 	dma->xt.frame_size = 1;
-	dma->sgl[0].size = dma->format.width * dma->fmtinfo->bpp;
-	dma->sgl[0].icg = dma->format.bytesperline - dma->sgl[0].size;
+	dma->sgl.size = dma->format.width * dma->fmtinfo->bpp;
+	dma->sgl.icg = dma->format.bytesperline - dma->sgl.size;
 	dma->xt.numf = dma->format.height;
 
 	desc = dmaengine_prep_interleaved_dma(dma->dma, &dma->xt, flags);
diff --git a/drivers/media/platform/xilinx/xilinx-dma.h b/drivers/media/platform/xilinx/xilinx-dma.h
index 9c6d4c18d1a9..18f77e1a7b39 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.h
+++ b/drivers/media/platform/xilinx/xilinx-dma.h
@@ -97,7 +97,7 @@ struct xvip_dma {
 	struct dma_chan *dma;
 	unsigned int align;
 	struct dma_interleaved_template xt;
-	struct data_chunk sgl[1];
+	struct data_chunk sgl;
 };
 
 #define to_xvip_dma(vdev)	container_of(vdev, struct xvip_dma, video)

-- 
2.45.1.288.g0e0cd299f1-goog