The parallel port kernel driver doesn't use the interrupt by default, it uses polling. (It even says so in the boot messages, at least with my kernel.)
[EMAIL PROTECTED] wrote: > -----BEGIN PGP SIGNED MESSAGE----- > > On Sun, 11 Jan 1998, Dan Hugo wrote: > > > ttyS1 - PalmPilot (or whatever it's called now). > > Cool! I've got a Psion S3a on a ttySx port attached. > > > I'm not necessarily short on interrupts yet, but I figured it would be > > interesting of the slower items could just share an interrupt. > > Sorry, I've tested it with with my Psion S3a and an old 9600 bps modem. > Even if the modem has no connection, it does not work. I think, that the > kernel does not know, which port has data when the shared interupt occurs. > > So I have taken every port to it's own interupt. But my question is: Why > can I share interupt with parallel ports? I have lp1 and lp3 on the same > interupt, and printing and the access to my Zip drive works fine! > > Bye > > Daniel Gross > > - ------------------------------------------------------------------------- > - - Daniel Gross <[EMAIL PROTECTED]> - > - - Ingolstadt, Germany <[EMAIL PROTECTED]> - > - - "If Win95 is the answer, it must have been a real foolish question !" - > - ------------------------------------------------------------------------- > > -----BEGIN PGP SIGNATURE----- > Version: 2.6.3ia > Charset: noconv > Comment: Requires PGP version 2.6 or later. > > iQEVAwUBNLpYsAnLrgqPNGtBAQEDgAgAhGURqGhgmyOw4vRCNUAX92pMvV8OZ7mX > 9wsmiJbSNsOEyzqSHfTNp3IDdhQJZqXp4gqt7Ziw+alPMXf32Gi1E0hEpgrNj+y4 > BDIUgcf3n7DubM5usOtxIElSu+TFy8QNbn7H6Zc+dT5zifykCUWBLALMtuXFBfGC > Onj28m+iyX9nZ59v7pyYrEAiMO7nu1e7a3+fPK8tqt4J6Em/Fv/ardixM7PIM/OW > IGjV/LgHl7Vgkz11dqzkHDt/gWiI61DPrKKfWsbkOJy8xR432RuOCyn0KcvuUAww > hJ4S4hpAZBHLWbl6md4mDyqCL66x8di9Ogf/UnirnU6+XeDD4S/c8g== > =nbw7 > -----END PGP SIGNATURE----- > > -- > TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to > [EMAIL PROTECTED] . > Trouble? e-mail to [EMAIL PROTECTED] . -- Jens B. Jorgensen [EMAIL PROTECTED] -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .
