Messages in this thread | | | Date | Sun, 20 Sep 2015 22:30:14 -0700 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] misc: sram: extend usage of reserved partitions |
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On Mon, Aug 10, 2015 at 12:40:02AM +0300, Vladimir Zapolskiy wrote: > This change adds functionality to operate on reserved SRAM partitions > described in device tree file. Two partition properties are added, > "pool" and "export", the first one allows to share a specific partition > for usage by a kernel consumer in the same manner as it is done for > the whole SRAM device, and "export" property provides access to some > SRAM area from userspace over sysfs interface. Practically it is > possible to specify both properties for an SRAM partition, however > simultaneous access from a kernel consumer and from userspace is not > serialized, but still the combination may be useful for debugging > purpose.
This scares me, why do we need to partition sram off in this manner? What uses it in this way?
I need some other people to weigh in on this, and at the very least, I need some DT people to bless the changes there...
thanks,
greg k-h
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