Messages in this thread | | | Date | Sun, 1 Feb 2015 08:42:45 +0000 | From | Russell King - ARM Linux <> | Subject | Re: nvram and generic_nvram modules are problematic, was Re: [PATCH] arch: m68k: mac: misc.c: Remove some unused functions |
| |
On Sun, Feb 01, 2015 at 02:39:42PM +1100, Finn Thain wrote: > I find the ARM support in drivers/char/nvram to be surprising, not to say > questionable. The /proc/driver/nvram implementation, given > defined(__arm__), decodes the NVRAM contents in exactly the same format as > when defined(__i386__) || defined(__x86_64__).
That's because it's used on the Netwinder and EBSA285 platforms, which are PCI-like, complete with a southbridge which makes them look like a PC.
> Whereas, only MIPS and > PowerPC defconfigs set CONFIG_RTC_DRV_CMOS at all, and without that symbol > the driver will never be built for ARM. This raises the question, does > /proc/driver/nvram do anything useful on any ARM platforms?
Yes.
-- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net.
| |