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authorDavid Brownell <dbrownell@users.sourceforge.net>2008-10-18 20:27:47 -0700
committerThomas Gleixner <tglx@linutronix.de>2008-10-20 12:56:57 +0200
commitbb93d802ae5c1949977cc6da247b218240677f11 (patch)
treecca340364d38836fd1904da6479bd68113ad2211 /arch/cris
parent0cfd81031a26717fe14380d18275f8e217571615 (diff)
rtc-cmos: export second NVRAM bank
Teach rtc-cmos about the second bank of registers found on most modern x86 systems, giving access to 128 bytes more NVRAM. This version only sees that extra NVRAM when both register banks are provided as part of *one* PNP resource. Since BIOS on some systems presents them using two IO resources, and nothing merges them, this can't always show all the NVRAM. (We're supposed to be able to use PNP id PNP0b01 too, but BIOS tables doesn't often seem to use that particular option.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: torvalds@linux-foundation.org Cc: Ingo Molnar <mingo@elte.hu> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/cris')
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