From: Linus Walleij <linus.walleij@linaro.org>
To: Pawel Dembicki <paweldembicki@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
netdev <netdev@vger.kernel.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 4/4] net: dsa: vsc73xx: Assert reset if iCPU is enabled
Date: Thu, 4 Jul 2019 09:22:23 +0200 [thread overview]
Message-ID: <CACRpkdYsA5437Sb8J539AJ=cYtnO2MiD7w7V_Emrmk8dNKbaEQ@mail.gmail.com> (raw)
In-Reply-To: <20190703171924.31801-5-paweldembicki@gmail.com>
On Wed, Jul 3, 2019 at 7:21 PM Pawel Dembicki <paweldembicki@gmail.com> wrote:
> Driver allow to use devices with disabled iCPU only.
>
> Some devices have pre-initialised iCPU by bootloader.
> That state make switch unmanaged. This patch force reset
> if device is in unmanaged state. In the result chip lost
> internal firmware from RAM and it can be managed.
>
> Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
My devices do not have direct access to the reset line so I
can't assert reset no matter how I try, if it works for you, the
code is certainly better like this.
Yours,
Linus Walleij
next prev parent reply other threads:[~2019-07-04 7:22 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-03 17:19 [PATCH v2 0/4] net: dsa: Add Vitesse VSC73xx parallel mode Pawel Dembicki
2019-07-03 17:19 ` [PATCH v2 1/4] net: dsa: Change DT bindings for Vitesse VSC73xx switches Pawel Dembicki
2019-07-04 7:05 ` Linus Walleij
2019-07-04 20:22 ` Florian Fainelli
2019-07-03 17:19 ` [PATCH v2 2/4] net: dsa: vsc73xx: Split vsc73xx driver Pawel Dembicki
2019-07-04 7:08 ` Linus Walleij
2019-07-04 20:24 ` Florian Fainelli
2019-07-03 17:19 ` [PATCH v2 3/4] net: dsa: vsc73xx: add support for parallel mode Pawel Dembicki
2019-07-04 7:16 ` Linus Walleij
2019-07-03 17:19 ` [PATCH v2 4/4] net: dsa: vsc73xx: Assert reset if iCPU is enabled Pawel Dembicki
2019-07-04 7:22 ` Linus Walleij [this message]
2019-07-04 21:57 ` Paweł Dembicki
2019-07-04 20:27 ` Florian Fainelli
2019-07-04 19:34 ` [PATCH v2 0/4] net: dsa: Add Vitesse VSC73xx parallel mode David Miller
-- strict thread matches above, loose matches on Subject: below --
2019-07-01 15:27 [PATCH 4/4] net: dsa: vsc73xx: Assert reset if iCPU is enabled Pawel Dembicki
2019-07-03 9:10 ` [PATCH v2 " Pawel Dembicki
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