[PATCH] ARM64: juno: disable NOR flash node by default
sudeep.holla at arm.com
Wed Oct 28 03:54:58 PDT 2015
On 28/10/15 09:39, Linus Walleij wrote:
> After discussing on the mailing list it turns out that
> accessing the flash memory from the kernel can disrupt CPU
> sleep states and CPU hotplugging, so let's disable this
> DT node by default. Setups that want to access the flash
> can modify this entry to enable the flash again.
> Quoting Sudeep Holla: "the firmware assumes the flash is
> always in read mode while Linux leaves NOR flash in
> "read id" mode after initialization."
> Reported-by: Sudeep Holla <sudeep.holla at arm.com>
> Cc: Mark Rutland <mark.rutland at arm.com>
> Cc: Sudeep Holla <sudeep.holla at arm.com>
Thanks for the patch. I too wrote one last night after I found
NOR flash was added in arm-soc -next.
Acked-by: Sudeep Holla <sudeep.holla at arm.com>
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