Messages in this thread | | | Date | Sat, 29 Apr 2006 16:36:07 -0400 | From | Jeff Garzik <> | Subject | Re: [RFC] make PC Speaker driver work on x86-64 |
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Mikael Pettersson wrote: > I have a pair of Athlon64 machines that dual-boot 32-bit and > 64-bit kernels. One annoying difference between the kernels > is that the PC Speaker driver (CONFIG_INPUT_PCSPKR=y) only > works in the 32-bit kernels. In the 64-bit kernels it remains > inactive and doesn't even generate any boot-time initialisation > or error messages. > > Today I debugged that issue, and found that the PC Speaker > driver's ->probe() routine doesn't even get called in the > 64-bit kernels. The reason for that is that the arch code > apparently has to explictly add a "pcspkr" platform device > in order for the driver core to call the ->probe() routine. > arch/i386/kernel/setup.c unconditionally adds a "pcspkr" > device, but the x86_64 kernel has no code at all related to > the PC Speaker.
Wow, thanks.
I was wondering why my PC speaker didn't seem to work. And here I was, blaming Fedora...
Jeff
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