linux-kernel - Re: [PATCH 2/3] media: vsp1: Reset FCP for VSPD

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Message-ID: <CAMuHMdVU0JJDff539YBMhM8xNQVf5Ufiw1D9TXitzsGWXPBMAg@mail.gmail.com>
Date: Thu, 12 Jun 2025 11:33:39 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
	Jacopo Mondi <jacopo.mondi+renesas@...asonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>, 
	Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
	Niklas Söderlund <niklas.soderlund@...natech.se>, 
	linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Koji Matsuoka <koji.matsuoka.xm@...esas.com>, 
	LUU HOAI <hoai.luu.ub@...esas.com>
Subject: Re: [PATCH 2/3] media: vsp1: Reset FCP for VSPD

Hi Laurent, Jacopo,

On Thu, 12 Jun 2025 at 09:19, Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
> On Mon, Jun 09, 2025 at 09:01:43PM +0200, Jacopo Mondi wrote:
> > From: Koji Matsuoka <koji.matsuoka.xm@...esas.com>
> >
> > According to H/W manual v1.00, VSPD must be excecuted
> > FCP_RST.SOFTRST after VI6_SRESET.SRST. So this patch adds it.
> > VSPDL is not applicable.
>
> According to the R-Car Gen3 H/W manual v1.00, the FCP must be reset
> after resetting the VSPD, except for the VSPDL. Do so.

"Rev.1.00"

Stil, that is a very old version. "Rev.2.40" is 6 years younger...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds