Re: [PATCH v1 RESEND] mpt3sas: Swap I/O memory read value back to cpu endianness

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On Thu, 2018-08-02 at 16:16 -0400, Martin K. Petersen wrote:
> Andy,
> 
> Please review the changes Sreekanth made to address your feedback.

>From my point of view they look good.

I assume Sreekanth tested them on real hardware and as I remember davem@
actually the one who possesses sparc machine with this hardware.

> 
> > Swap the I/O memory read value back to cpu endianness before storing
> > it
> > in a data structures which are defined in the MPI headers where
> > u8 components are not defined in the endianness order.
> > 
> > In this area from day one mpt3sas driver is using le32_to_cpu() &
> > cpu_to_le32() APIs. But in the patch cf6bf9710c
> > (mpt3sas: Bug fix for big endian systems) we have removed these APIs
> > before reading I/O memory which we should haven't done it. So
> > in this patch I am correcting it by adding these APIs back
> > before accessing I/O memory.
> > 
> > v1: Changelog:
> > 	Replaced writeq API with __raw_writeq() & mmiowb() APIs.
> 
> 

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy



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