From: heiko@sntech.de (Heiko Stübner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v1 0/6] misc: add reboot mode driver
Date: Mon, 28 Dec 2015 16:56:12 +0100 [thread overview]
Message-ID: <3171716.cOpneyGyL8@diego> (raw)
In-Reply-To: <3460735.DIRnhNBgbJ@wuerfel>
Am Montag, 28. Dezember 2015, 16:28:55 schrieb Arnd Bergmann:
> On Wednesday 23 December 2015 17:31:45 Andy Yan wrote:
> > + { .compatible = "rockchip,reboot-mode-nvram",
> > + .data = (void *)&reboot-mode-nvram },
> > + {},
> > +};
>
> nvram is a complex topic by itself, because there are so many ways to do it.
> I think what you are referring to here is a battery-backed memory that uses
> one or more bytes at a fixed offset to store a particular piece of
> information, as the drivers/char/nvram.c driver does. Maybe we should put
> the reboot mode into that driver then?
>
> There are other nvram drivers at various places in the kernel, and each may
> be slightly different, or completely different, like the EFIVARs driver on
> UEFI firmware or the key/value store on Open Firmware, these probably need
> their own methods and not share the generic driver.
actually we now have drivers/nvmem/* that does that byte-wise addressing for
eeproms, efuses, etc in a generic way.
next prev parent reply other threads:[~2015-12-28 15:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-22 9:02 [PATCH v1 0/6] misc: add reboot mode driver Andy Yan
2015-12-22 9:05 ` [PATCH v1 1/6] dt-bindings: misc: add document for reboot-mode driver Andy Yan
2015-12-23 0:32 ` Rob Herring
2015-12-23 8:37 ` Moritz Fischer
2015-12-23 9:01 ` Andy Yan
2015-12-22 9:08 ` [PATCH v1 2/6] dt-bindings: soc: add document for rockchip " Andy Yan
2015-12-22 9:10 ` [PATCH v1 3/6] misc: add reboot mode driver Andy Yan
2015-12-22 9:13 ` [PATCH v1 4/6] soc: rockchip: " Andy Yan
2015-12-22 9:16 ` [PATCH v1 5/6] ARM: dts: rockchip: add reboot-mode node Andy Yan
2015-12-22 11:23 ` Heiko Stübner
2015-12-22 9:19 ` [PATCH v1 6/6] ARM64: " Andy Yan
2015-12-22 16:47 ` [PATCH v1 0/6] misc: add reboot mode driver Alexandre Belloni
2015-12-23 9:31 ` Andy Yan
2015-12-28 15:28 ` Arnd Bergmann
2015-12-28 15:56 ` Heiko Stübner [this message]
2015-12-28 16:09 ` Arnd Bergmann
2015-12-29 7:55 ` Andy Yan
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