From: Andrew Lunn <andrew@lunn.ch>
To: Dylan Hung <dylan_hung@aspeedtech.com>
Cc: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"joel@jms.id.au" <joel@jms.id.au>,
"andrew@aj.id.au" <andrew@aj.id.au>,
"hkallweit1@gmail.com" <hkallweit1@gmail.com>,
"linux@armlinux.org.uk" <linux@armlinux.org.uk>,
"davem@davemloft.net" <davem@davemloft.net>,
"kuba@kernel.org" <kuba@kernel.org>,
"pabeni@redhat.com" <pabeni@redhat.com>,
"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-aspeed@lists.ozlabs.org" <linux-aspeed@lists.ozlabs.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
BMC-SW <BMC-SW@aspeedtech.com>
Subject: Re: [PATCH 0/2] Add reset deassertion for Aspeed MDIO
Date: Tue, 22 Mar 2022 13:17:45 +0100 [thread overview]
Message-ID: <Yjm+aQwXuWh5TLpr@lunn.ch> (raw)
In-Reply-To: <HK0PR06MB283430933D2FE015531B52749C179@HK0PR06MB2834.apcprd06.prod.outlook.com>
> Do I still need to add a reset assertion/deassertion if the hardware
> asserts the reset by default?
One use case would be kexec when one kernel is used to boot another
kernel. But since this is shared by multiple busses, it is probably
not worth the complexity unless that is something you expect you
customers to do, e.g. during kernel development work.
Andrew
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prev parent reply other threads:[~2022-03-22 12:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-21 7:01 [PATCH 0/2] Add reset deassertion for Aspeed MDIO Dylan Hung
2022-03-21 7:01 ` [PATCH 1/2] net: mdio: add " Dylan Hung
2022-03-21 8:14 ` Philipp Zabel
2022-03-21 8:20 ` Dylan Hung
2022-03-21 7:01 ` [PATCH 2/2] ARM: dts: aspeed: add reset properties into MDIO nodes Dylan Hung
2022-03-21 12:10 ` [PATCH 0/2] Add reset deassertion for Aspeed MDIO Andrew Lunn
2022-03-22 9:10 ` Dylan Hung
2022-03-22 12:17 ` Andrew Lunn [this message]
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