Re: [PATCH RESEND 4/4] mfd: arizona: Use regmap_read_poll_timeout instead of hard coding it

From: Lee Jones
Date: Wed Mar 15 2017 - 08:17:53 EST


On Tue, 14 Mar 2017, Charles Keepax wrote:

> On Tue, Mar 14, 2017 at 05:07:04PM +0000, Lee Jones wrote:
> > On Thu, 09 Mar 2017, Charles Keepax wrote:
> >
> > > arizona_poll_reg essentially hard-codes regmap_read_poll_timeout, this
> > > patch updates the implementation to use regmap_read_poll_timeout. We
> > > still keep arizona_poll_reg around as regmap_read_poll_timeout is a
> > > macro so rather than expand this for each caller keep it wrapped in
> > > arizona_poll_reg.
> > >
> > > Whilst we are doing this make the timeouts a little more generous as the
> > > previous system had a bit more slack as it was done as a delay per
> > > iteration of the loop whereas regmap_read_poll_timeout compares ktime's.
> > >
> > > Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > > ---
> > > drivers/mfd/arizona-core.c | 38 ++++++++++++++------------------------
> > > 1 file changed, 14 insertions(+), 24 deletions(-)
> >
> > Apart from patch count, is there any technical reason why this patch
> > shouldn't just be rolled into patch 3?
> >
>
> I prefer it as two patches as its clearer what happened from the
> history. One patch changes the interface for the function, the
> other updates the implementation. Can squash if you feel strongly
> about it though?

I don't feel that strongly about it, but to me it looks like patch 4
reworks everything patch 3 did.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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