linux-kernel - Re: compile error for 5.15.4

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Message-ID: <YZp6yfVUx4eEwaxm@matsya>
Date:   Sun, 21 Nov 2021 22:28:49 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Toralf Förster <toralf.foerster@....de>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>,
        dmaengine@...r.kernel.org
Subject: Re: compile error for 5.15.4

Hello,


On 21-11-21, 16:02, Toralf Förster wrote:
> Hi,
> 
> got this at a hardened stable Gentoo Server:
> 
> # uname -a
> Linux mr-fox 5.14.17 #1 SMP Thu Nov 18 14:02:58 CET 2021 x86_64 AMD
> Ryzen 9 5950X 16-Core Processor AuthenticAMD GNU/Linux
> 
> 
>   CC      net/ipv4/tcp_timer.o
>   CC      lib/raid6/sse1.o
> drivers/dma/ptdma/ptdma-debugfs.c: In function ‘ptdma_debugfs_setup’:
> drivers/dma/ptdma/ptdma-debugfs.c:93:54: error: ‘struct dma_device’ has
> no member named ‘dbg_dev_root’
>    93 |         debugfs_create_file("info", 0400,
> pt->dma_dev.dbg_dev_root, pt,

Can you please send your config file when you saw this, which toolchain
was used to compile...

Thanks

>       |                                                      ^
> drivers/dma/ptdma/ptdma-debugfs.c:96:55: error: ‘struct dma_device’ has
> no member named ‘dbg_dev_root’
>    96 |         debugfs_create_file("stats", 0400,
> pt->dma_dev.dbg_dev_root, pt,
>       |                                                       ^
> drivers/dma/ptdma/ptdma-debugfs.c:102:52: error: ‘struct dma_device’ has
> no member named ‘dbg_dev_root’
>   102 |                 debugfs_create_dir("q", pt->dma_dev.dbg_dev_root);
>       |                                                    ^
> make[3]: *** [scripts/Makefile.build:277:
> drivers/dma/ptdma/ptdma-debugfs.o] Error 1
> make[2]: *** [scripts/Makefile.build:540: drivers/dma/ptdma] Error 2
> make[1]: *** [scripts/Makefile.build:540: drivers/dma] Error 2
> make[1]: *** Waiting for unfinished jobs....
>   CC      mm/usercopy.o
>   CC      lib/argv_split.o
> 
> --
> Toralf

-- 
~Vinod