Re: [PATCH v5 0/6] make io{read|write}64 globally usable

From: Horia Geantă
Date: Mon Jul 31 2017 - 06:29:40 EST


On 7/27/2017 2:19 AM, Logan Gunthorpe wrote:
> Changes since v4:
> - Add functions so the powerpc implementation of iomap.c compiles. (As
> noticed by Horia)

Tested-by: Horia Geantă <horia.geanta@xxxxxxx>

more exactly: crypto self-tests pass on CAAM crypto engine
on NXP platforms LS1046A (ARMv8 A53), T1040 (PPC64 e5500), P4080 (PPC
e500mc).

>
> Changes since v3:
>
> - I noticed powerpc didn't use the appropriate functions seeing
> readq/writeq were not defined when iomap.h was included. Thus I've
> included a patch to adjust this
> - Fixed some mistakes with a couple of the defines in io-64-nonatomic*
> headers
> - Fixed a typo noticed by Horia.
>
> (earlier versions were drastically different)
>
>
> Horia Geantă (1):
> crypto: caam: cleanup CONFIG_64BIT ifdefs when using io{read|write}64
>
> Logan Gunthorpe (5):
> powerpc: io.h: move iomap.h include so that it can use readq/writeq
> defs
> powerpc: iomap.c: introduce io{read|write}64_{lo_hi|hi_lo}
> iomap: introduce io{read|write}64_{lo_hi|hi_lo}
> io-64-nonatomic: add io{read|write}64[be]{_lo_hi|_hi_lo} macros
> ntb: ntb_hw_intel: use io-64-nonatomic instead of in-driver hacks
>
> arch/powerpc/include/asm/io.h | 6 +-
> arch/powerpc/kernel/iomap.c | 40 +++++++++++
> drivers/crypto/caam/regs.h | 35 ++-------
> drivers/ntb/hw/intel/ntb_hw_intel.c | 30 +-------
> include/asm-generic/iomap.h | 26 +++++--
> include/linux/io-64-nonatomic-hi-lo.h | 60 ++++++++++++++++
> include/linux/io-64-nonatomic-lo-hi.h | 60 ++++++++++++++++
> lib/iomap.c | 132 ++++++++++++++++++++++++++++++++++
> 8 files changed, 322 insertions(+), 67 deletions(-)
>
> --
> 2.11.0
>