On 03/01/2018 05:56 AM, Stephen Rothwell wrote:
> Hi Jens,
>
> After merging the block tree, today's linux-next build (x86_64
> allmodconfig) produced these warning:
>
> In file included from drivers/misc/cardreader/rts5209.c:24:0:
> include/linux/rtsx_pci.h:40:0: warning: "SG_END" redefined
> #define SG_END 0x02
>
> In file included from include/linux/dmapool.h:14:0,
> from include/linux/pci.h:1311,
> from include/linux/rtsx_pci.h:26,
> from drivers/misc/cardreader/rts5209.c:24:
> include/linux/scatterlist.h:69:0: note: this is the location of the previous definition
> #define SG_END 0x02UL
>
> In file included from drivers/staging/rts5208/rtsx.h:180:0,
> from drivers/staging/rts5208/rtsx.c:28:
> drivers/staging/rts5208/rtsx_chip.h:343:0: warning: "SG_END" redefined
> #define SG_END 0x02
>
> In file included from include/linux/blkdev.h:28:0,
> from drivers/staging/rts5208/rtsx.c:23:
> include/linux/scatterlist.h:69:0: note: this is the location of the previous definition
> #define SG_END 0x02UL
>
>
> and many more the same.
>
> Introduced by commit
>
> 723fbf563a6a ("lib/scatterlist: Add SG_CHAIN and SG_END macros for LSB encodings")
IIRC this was already detected and hence sent a new version changing
this to SG_LAST.
https://patchwork.kernel.org/patch/10227897/
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