Re: [PATCH v2 09/11] s390: mm: Convert to GENERIC_IOREMAP

[Niklas Schnelle]

On Sat, 2022-08-20 at 08:31 +0800, Baoquan He wrote:
> Add hooks arch_ioremap() and arch_iounmap() for s390's special
> operation when ioremap() and iounmap(), then ioremap_[wc|wt]() are
> converted to use ioremap_prot() from GENERIC_IOREMAP.
> 
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
> Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>
> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>
> Cc: Sven Schnelle <svens@xxxxxxxxxxxxx>
> Cc: linux-s390@xxxxxxxxxxxxxxx
> ---
>  arch/s390/Kconfig          |  1 +
>  arch/s390/include/asm/io.h | 26 +++++++++++------
>  arch/s390/pci/pci.c        | 60 +++++---------------------------------
>  3 files changed, 26 insertions(+), 61 deletions(-)

Sorry I missed this mail until now and will still need a bit of time to
review and test the code as this is indeed pretty special on s390. From
a first glance this does look like a nice simplification.

Just out of curiosity, I wonder why get_maintainers.pl didn't add me
nor Gerald for direct CC despite the bulk of the changes affecting
arch/s390/pci/*.

> 
> diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
---8<---