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SubjectRe: [PATCH v3] powerpc/cache: add cache flush operation for various e500
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On Tue, 2015-06-09 at 21:00 -0500, Tang Yuantian-B29983 wrote:
> Please see my replay inline.
> ________________________________________
> From: Wood Scott-B07421
> Sent: Wednesday, June 10, 2015 6:28 AM
> To: Tang Yuantian-B29983
> Cc: Wood Scott-B07421; linuxppc-dev@lists.ozlabs.org;
> linux-kernel@vger.kernel.org; Zhao Chenhui-B35336; Tang Yuantian
> Subject: Re: [PATCH v3] powerpc/cache: add cache flush operation for
> various e500
>
> On Tue, 2015-06-09 at 09:53 +0800, Yuantian.Tang@freescale.comwrote:
> > From: Tang Yuantian <Yuantian.Tang@freescale.com>
> >
> > Various e500 core have different cache architecture, so they
> > need different cache flush operations. Therefore, add a callback
> > function cpu_flush_caches to the struct cpu_spec. The cache flush
> > operation for the specific kind of e500 is selected at init time.
> > The callback function will flush all caches inside the current cpu.
> >
> > Signed-off-by: Chenhui Zhao <chenhui.zhao@freescale.com>
> > Signed-off-by: Tang Yuantian <Yuantian.Tang@feescale.com>
> > ---
> > v3:
> > - change all flush_caches to cpu_down_flush
> > - replace whitespace with tab
> [snip]
> .cpu_setup = __setup_cpu_e500v2,
> > .machine_check = machine_check_e500,
> > .platform = "ppc8548",
> > + .cpu_down_flush = cpu_down_flush_e500v2,
>
> It's still not lined up. I'm not a fan of the "line up all the ="
> style, as it's a pain to maintain (and can be harder to read if the
> "="
> is too far to the right), but mixing the two is worse.
>
> [Yuantian]:
> I need more clear about this.
> The only difference here is that my function puts ONE tab before "="
> and ONE white space after "=";
> but the other functions in this structure use TWO tabs before "=".
> Is that what you want?

The existing code aligns all the "=" characters (using whatever number
of tabs before "=" are required to accomplish that). Yours doesn't.

-Scott




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