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authorBjorn Helgaas <bjorn.helgaas@hp.com>2008-10-14 17:01:59 -0600
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-14 16:30:14 -0700
commit72f22b1eb6ca5e4676a632a04d40d46cb61d4562 (patch)
treeebd4739577dcac1766d67828feed29e3a0aedb49 /fs/ocfs2/ver.h
parent758a7f7bb86b520aadc484f23da85e547b3bf3d8 (diff)
rtc-cmos: look for PNP RTC first, then for platform RTC
We shouldn't rely on "pnp_platform_devices" to tell us whether there is a PNP RTC device. I introduced "pnp_platform_devices", but I think it was a mistake. All it tells us is whether we found any PNPBIOS or PNPACPI devices. Many machines have some PNP devices, but do not describe the RTC via PNP. On those machines, we need to do the platform driver probe to find the RTC. We should just register the PNP driver and see whether it claims anything. If we don't find a PNP RTC, fall back to the platform driver probe. This (in conjunction with the arch/x86/kernel/rtc.c patch to add a platform RTC device when PNP doesn't have one) should resolve these issues: http://bugzilla.kernel.org/show_bug.cgi?id=11580 https://bugzilla.redhat.com/show_bug.cgi?id=451188 Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: David Brownell <dbrownell@users.sourceforge.net> Reported-by: Rik Theys <rik.theys@esat.kuleuven.be> Reported-by: shr_msn@yahoo.com.tw Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/ver.h')
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