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From: Vasily Khoruzhick <anarsoul@gmail.com>
To: wens@kernel.org
Cc: Stefan Mavrodiev <stefan@olimex.com>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Maxime Ripard <maxime.ripard@bootlin.com>,
	"moderated list:ARM/Allwinner sunXi SoC support" 
	<linux-arm-kernel@lists.infradead.org>,
	open list <linux-kernel@vger.kernel.org>,
	linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [linux-sunxi] Re: [PATCH 1/1] nvmem: sunxi_sid: fix A64 SID controller support
Date: Wed, 31 Jul 2019 18:42:14 -0700	[thread overview]
Message-ID: <CA+E=qVcY2PE3zg3CRNGD4vLbLTdov6wgioUrbijp-W6km9SCaA@mail.gmail.com> (raw)
In-Reply-To: <CAGb2v64tzMypnB5Ho2A-gWPk2yYsmH9tNn+OKfb51c+d6pK=kw@mail.gmail.com>

On Wed, Jul 31, 2019 at 1:43 AM Chen-Yu Tsai <wens@csie.org> wrote:
>
> On Wed, Jul 31, 2019 at 3:15 PM Stefan Mavrodiev <stefan@olimex.com> wrote:
> >
> > Like in H3, A64 SID controller doesn't return correct data
> > when using direct access. It appears that on A64, SID needs
> > 8 bytes of word_size.
> >
> > Workaround is to enable read by registers.

I came up with identical patch while adding A64 support into
sun8i-thermal driver, so:

> >
> > Signed-off-by: Stefan Mavrodiev <stefan@olimex.com>
>
> Acked-by: Chen-Yu Tsai <wens@csie.org>

Tested-by: Vasily Khoruzhick <anarsoul@gmail.com>

>
> And for single patches, you don't need to write a separate cover letter.
> Just put whatever you need to add after the "---" separator.
>
> > ---
> >  drivers/nvmem/sunxi_sid.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/nvmem/sunxi_sid.c b/drivers/nvmem/sunxi_sid.c
> > index a079a80ddf2c..e26ef1bbf198 100644
> > --- a/drivers/nvmem/sunxi_sid.c
> > +++ b/drivers/nvmem/sunxi_sid.c
> > @@ -186,6 +186,7 @@ static const struct sunxi_sid_cfg sun8i_h3_cfg = {
> >  static const struct sunxi_sid_cfg sun50i_a64_cfg = {
> >         .value_offset = 0x200,
> >         .size = 0x100,
> > +       .need_register_readout = true,
> >  };
> >
> >  static const struct sunxi_sid_cfg sun50i_h6_cfg = {
> > --
> > 2.17.1
> >
>
> --
> You received this message because you are subscribed to the Google Groups "linux-sunxi" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to linux-sunxi+unsubscribe@googlegroups.com.
> To view this discussion on the web, visit https://groups.google.com/d/msgid/linux-sunxi/CAGb2v64tzMypnB5Ho2A-gWPk2yYsmH9tNn%2BOKfb51c%2Bd6pK%3Dkw%40mail.gmail.com.

  reply	other threads:[~2019-08-01  1:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-31  7:14 [PATCH 0/1] " Stefan Mavrodiev
2019-07-31  7:14 ` [PATCH 1/1] " Stefan Mavrodiev
2019-07-31  8:43   ` Chen-Yu Tsai
2019-08-01  1:42     ` Vasily Khoruzhick [this message]
2019-08-06 10:03   ` Srinivas Kandagatla

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