On 10/12/2015 05:10 PM, Arnd Bergmann wrote:
> The advansys drvier uses the request_dma function that is used on ISA
> machines for the internal DMA controller, which causes build errors
> on platforms that have ISA slots but do not provide the ISA DMA API:
>
> drivers/scsi/advansys.c: In function 'advansys_board_found':
> drivers/scsi/advansys.c:11300:10: error: implicit declaration of function 'request_dma' [-Werror=implicit-function-declaration]
>
> The problem now showed up in ARM randconfig builds after commit
> 6571fb3f8b7f ("advansys: Update to version 3.5 and remove compilation
> warning") made it possible to build on platforms that have neither
> VIRT_TO_BUS nor ISA_DMA_API but that do have ISA.
>
> This adds the missing dependency.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>
> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
> index d2f480b04a52..d4aa6a1a806c 100644
> --- a/drivers/scsi/Kconfig
> +++ b/drivers/scsi/Kconfig
> @@ -499,6 +499,7 @@ config SCSI_ADVANSYS
> tristate "AdvanSys SCSI support"
> depends on SCSI
> depends on ISA || EISA || PCI
> + depends on ISA_DMA_API || !ISA
> help
> This is a driver for all SCSI host adapters manufactured by
> AdvanSys. It is documented in the kernel source in
>
Sorry to chime in again, but wouldn't this allow to build on platforms
which have neither ISA_DMA_API nor ISA, like oldish sparc systems with
proprietary S-BUS?
Why not ISA_DMA_API || EISA || PCI ?
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
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SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
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