Messages in this thread | | | Subject | Re: [PATCH 0/6] Expose RPi4'd bootloader configuration | From | Nicolas Saenz Julienne <> | Date | Tue, 15 Dec 2020 20:01:54 +0100 |
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Hi Catalin,
On Tue, 2020-12-15 at 18:44 +0000, Catalin Marinas wrote: > On Tue, Dec 15, 2020 at 04:56:20PM +0100, Nicolas Saenz Julienne wrote: > > Soon to be released versions of RPi4's firmware will take of care > > passing their bootloader's configuration to the OS by copying it into > > memory and creating a reserved memory node in the board's DT. In order > > to make use of this information, this series introduces a new generic > > nvmem driver that maps reserved-memory nodes into nvmem devices. > > > > An alternative approach, less nice IMO, would be to create a > > platform-specific 'soc' driver. > > What kind of information is this and how would the kernel use it?
Sorry, I wasn't clear enough, the ultimate goal is to use this information from user-space, through nvmem's sysfs interface. The kernel itself has no use for it.
Regards, Nicolas
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