linux-kernel - Re: [PATCH v2] dmaengine: pl330: rename

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Date:   Wed, 24 May 2023 11:17:12 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Jaswinder Singh <jassisinghbrar@...il.com>,
        Boojin Kim <boojin.kim@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Russell King <rmk+kernel@....linux.org.uk>,
        dmaengine@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v2] dmaengine: pl330: rename _start to prevent build error

On 23-05-23, 21:53, Randy Dunlap wrote:
> "_start" is used in several arches and proably should be reserved
> for ARCH usage. Using it in a driver for a private symbol can cause
> a build error when it conflicts with ARCH usage of the same symbol.
> 
> Therefore rename pl330's "_start" to "pl330_start_thread" so that there
> is no conflict and no build error.
> 
> drivers/dma/pl330.c:1053:13: error: '_start' redeclared as different kind of symbol
>  1053 | static bool _start(struct pl330_thread *thrd)
>       |             ^~~~~~
> In file included from ../include/linux/interrupt.h:21,
>                  from ../drivers/dma/pl330.c:18:
> arch/riscv/include/asm/sections.h:11:13: note: previous declaration of '_start' with type 'char[]'
>    11 | extern char _start[];
>       |             ^~~~~~

Applied, thanks

-- 
~Vinod