Re: [PATCH] scsi: myrs: only build on little-endian platforms

[Hannes Reinecke]

On 11/2/18 4:47 PM, Arnd Bergmann wrote:
> Reading throught the new driver, I noticed that this cannot work on
> big-endian CPUs, and the old DAC960 had exactly the same behavior.
>
> To document this for the future, add a Kconfig dependency that prevents it
> from being included in big-endian kernels.  Since the hardware is really
> old and we never had a working driver on it for big-endian platforms,
> it's unlikely to make a difference to users.
>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>   drivers/scsi/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
> index f07444d30b21..640cd1b31a18 100644
> --- a/drivers/scsi/Kconfig
> +++ b/drivers/scsi/Kconfig
> @@ -578,6 +578,7 @@ config SCSI_MYRB
>   config SCSI_MYRS
>   	tristate "Mylex DAC960/DAC1100 PCI RAID Controller (SCSI Interface)"
>   	depends on PCI
> +	depends on !CPU_BIG_ENDIAN || COMPILE_TEST
>   	select RAID_ATTRS
>   	help
>   	  This driver adds support for the Mylex DAC960, AcceleRAID, and
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
--
Dr. Hannes Reinecke		   Teamlead Storage & Networking
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