Re: [PATCH] ptp: ptp_ines: prevent build when HAS_IOMEM is not set

[Richard Cochran]

On Tue, Jan 05, 2021 at 08:25:31PM -0800, Randy Dunlap wrote:
> ptp_ines.c uses devm_platform_ioremap_resource(), which is only
> built/available when CONFIG_HAS_IOMEM is enabled.
> CONFIG_HAS_IOMEM is not enabled for arch/s390/, so builds on S390
> have a build error:
> 
> s390-linux-ld: drivers/ptp/ptp_ines.o: in function `ines_ptp_ctrl_probe':
> ptp_ines.c:(.text+0x17e6): undefined reference to `devm_platform_ioremap_resource'
> 
> Prevent builds of ptp_ines.c when HAS_IOMEM is not set.

Acked-by: Richard Cochran <richardcochran@xxxxxxxxx>