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ramips: 5.15: add patch fixing compilation warning for hsdma-mt7621

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Add patch fixing compilation warning for hsdma-mt7621:
drivers/staging/mt7621-dma/hsdma-mt7621.c: In function 'mtk_hsdma_probe':
drivers/staging/mt7621-dma/hsdma-mt7621.c:685:9: error: ignoring return value of 'device_reset' declared with attribute 'warn_unused_result' [-Werror=unused-result]
  685 |         device_reset(&pdev->dev);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
This commit is contained in:
Christian Marangi 2023-05-07 01:13:45 +02:00
parent 82afdf6056
commit da2f5e8776
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GPG key ID: AC001D09ADBFEAD7
1 changed files with 31 additions and 0 deletions
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target/linux/ramips/patches-5.15/109-drivers-mt7621-dma-handle-error-from-device_reset.patch Normal file
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@ -0,0 +1,31 @@
From 3f6dfa25128e428acfba20792bc7506d58806baa Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Sun, 7 May 2023 01:06:17 +0200
Subject: [PATCH] drivers: mt7621-dma: handle error from device_reset
Handle error from device reset to fix compilation warning.
Fix compilation warning:
drivers/staging/mt7621-dma/hsdma-mt7621.c: In function 'mtk_hsdma_probe':
drivers/staging/mt7621-dma/hsdma-mt7621.c:685:9: error: ignoring return value of 'device_reset' declared with attribute 'warn_unused_result' [-Werror=unused-result]
685 | device_reset(&pdev->dev);
| ^~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
---
drivers/staging/mt7621-dma/hsdma-mt7621.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/staging/mt7621-dma/hsdma-mt7621.c
+++ b/drivers/staging/mt7621-dma/hsdma-mt7621.c
@@ -682,7 +682,9 @@ static int mtk_hsdma_probe(struct platfo
return ret;
}
- device_reset(&pdev->dev);
+ ret = device_reset(&pdev->dev);
+ if (ret)
+ dev_err(&pdev->dev, "failed to reset device\n");
dd = &hsdma->ddev;
dma_cap_set(DMA_MEMCPY, dd->cap_mask);