Re: [PATCH] s390: provide default ioremap and iounmap declaration

From: Logan Gunthorpe
Date: Fri May 26 2017 - 12:53:34 EST




On 26/05/17 06:38 AM, Heiko Carstens wrote:
> On Thu, May 25, 2017 at 09:43:48AM -0600, Logan Gunthorpe wrote:
> I'd rather move the #ifdef CONFIG_PCI than implementing this yet another
> time (see patch below). But I'll leave that up to Sebastian.

I'd be more than happy with this change. Let me know if you want me to
resubmit a patch that looks like that.

Thanks,

Logan

> diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h
> index 437e9af96688..904e4b3af95d 100644
> --- a/arch/s390/include/asm/io.h
> +++ b/arch/s390/include/asm/io.h
> @@ -25,8 +25,6 @@ void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr);
>
> #define IO_SPACE_LIMIT 0
>
> -#ifdef CONFIG_PCI
> -
> #define ioremap_nocache(addr, size) ioremap(addr, size)
> #define ioremap_wc ioremap_nocache
> #define ioremap_wt ioremap_nocache
> @@ -49,6 +47,8 @@ static inline void ioport_unmap(void __iomem *p)
> {
> }
>
> +#ifdef CONFIG_PCI
> +
> /*
> * s390 needs a private implementation of pci_iomap since ioremap with its
> * offset parameter isn't sufficient. That's because BAR spaces are not
>