Re: [PATCH] ARC: reset: introduce HSDKv1 reset driver

From: Eugeniy Paltsev
Date: Wed Jul 19 2017 - 11:32:33 EST


Hi Philipp,

On Wed, 2017-07-19 at 17:07 +0200, Philipp Zabel wrote:
> On Tue, 2017-07-18 at 20:25 +0300, Eugeniy Paltsev wrote:
> > The HSDK v1 periphery IPs can be reset by accessing some registers
> > from the CGU block.
> >
> > The list of available reset lines is documented in the DT bindings.
> >
> > [snip]
> > --- a/drivers/reset/Kconfig
> > +++ b/drivers/reset/Kconfig
> > @@ -34,6 +34,12 @@ config RESET_BERLIN
> > Â help
> > Â ÂÂThis enables the reset controller driver for Marvell
> > Berlin SoCs.
> > Â
> > +config RESET_HSDK_V1
> > + bool "HSDK v1 Reset Driver"
> > + default n
>
> I suppose there will be a SOC_HSDK_V1 or similar in the future so
> that
> we can hide this option and enable it by default like the other reset
> drivers?
Actually we don't have (and don't planning to add) such SOC/board-
specific kconfig option, so I am wondering if it is OK to just left
this option not hidden?

> > [snip]
> > +
> > +#define CGU_ARC_RST_CTRL 0x0
> > +#define CGU_SYS_RST_CTRL 0x20
> > +#define CGU_DDR_RST_CTRL 0x40
> > +#define CGU_TUN_RST_CTRL 0x60
>
> The ARC, DDR, and TUN reset control registers are never used.
Ok, I'll remove unused register defines.

> > [snip]
>
> regards
> Philipp
>
Thanks.
--
ÂEugeniy Paltsev