Messages in this thread | | | Date | Fri, 19 Nov 2004 16:53:09 +0100 | From | matthieu castet <> | Subject | Re: [PATCH] smsc-ircc2: Add PnP support. |
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Meelis Roos wrote: > mc> try to do an "echo auto > /sys/bus/pnp/device_number/resources" > mc> > mc> It will reenable the device. > > I tried this on my Toshiba Satellite 1800-314 and the device gets IO > resources but is still disabled. echo activate > ... will enable it but > the smc-ircc2 driver still finds that the device is disabled (in > 2.6.10-rc2+yesterdays BK): > > nartsiss:~# cat /sys/bus/pnp/devices/00\:0a/options > Dependent: 01 - Priority acceptable > port 0x3f8-0x3f8, align 0x0, size 0x8, 16-bit address decoding > Dependent: 02 - Priority acceptable > port 0x2e8-0x2e8, align 0x0, size 0x8, 16-bit address decoding > Dependent: 03 - Priority acceptable > port 0x2f8-0x2f8, align 0x0, size 0x8, 16-bit address decoding > Dependent: 04 - Priority acceptable > port 0x3e8-0x3e8, align 0x0, size 0x8, 16-bit address decoding that's very strange : you must have 2 io entries, 1 dma entry and an irq entry. Could you try pnpacpi from mm series ? Any warning from pnpbios at startup ? A laptop of the friend have wrong pnpbios entries...
Also make sure you don't force in your bios the device to be a sir device.
> nartsiss:~# cat /sys/bus/pnp/devices/00\:0a/resources > state = disabled > nartsiss:~# echo auto > /sys/bus/pnp/devices/00\:0a/resources > nartsiss:~# cat /sys/bus/pnp/devices/00\:0a/resources > state = disabled > io 0x2e8-0x2ef activate is not important : here pnp had found the io resources > nartsiss:~# echo activate > /sys/bus/pnp/devices/00\:0a/resources > nartsiss:~# cat /sys/bus/pnp/devices/00\:0a/resources > state = active > io 0x2e8-0x2ef ^^^^^^^^^^^^^^^^ > nartsiss:~# modprobe smsc-ircc2 > FATAL: Error inserting smsc_ircc2 > (/lib/modules/2.6.10-rc2/kernel/drivers/net/irda/smsc-ircc2.ko): No such device > nartsiss:~# dmesg|tail -5 > pnp: Device 00:0a activated. > NET: Registered protocol family 23 > found SMC SuperIO Chip (devid=0x5a rev=00 base=0x002e): LPC47N227 > smsc_superio_flat(): IrDA not enabled > smsc_superio_flat(): fir: 0x00, sir: 0x2e8, dma: 15, irq: 0, mode: 0x02 > > > Looks like there is also a enable/disable bit in the actual LPC device, > or maybe it needs also a fir address and/or irq? >
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