linux-kernel - Re: [PATCH v3 4/6] bus: ti-sysc: Add support for software reset

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Message-ID: <20180611070332.GP5738@atomide.com>
Date:   Mon, 11 Jun 2018 00:03:32 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Faiz Abbas <faiz_abbas@...com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-clk@...r.kernel.org, mark.rutland@....com, paul@...an.com,
        t-kristo@...com, robh+dt@...nel.org, bcousson@...libre.com
Subject: Re: [PATCH v3 4/6] bus: ti-sysc: Add support for software reset

* Faiz Abbas <faiz_abbas@...com> [180611 06:48]:
> Hi,
> 
> On Monday 11 June 2018 11:59 AM, Tony Lindgren wrote:
> > * Faiz Abbas <faiz_abbas@...com> [180611 06:28]:
> >> Great. I thought I completely misunderstood you. But I don't see what
> >> adding another function will accomplish. A QUIRK flag used in the same
> >> function would work well enough>
> > Fine with me as long as the function stays simple for both
> > syss and sysc reset.
> >
> 
> 
> In general a reset status bit being in sysstatus is the norm and it
> being in sysconfig should be the "quirk" for which a flag needs to be
> added. What do you think?

Sure makes sense to me.

> As an aside, naming bitshifts by the name of the platform they were
> originally added in seems weird. There should be some generic mask
> saying "soft reset is the 0th bit". Currently I am using
> SYSC_OMAP4_SOFTRESET for a dra76x module. I guess it depends on how many
> different sysconfig types we have.

Sure we could have a macro for that.

Regards,

Tony