Messages in this thread | | | Date | Mon, 4 Jun 2007 23:44:18 +0300 | From | Samuel Ortiz <> | Subject | Re: 2.6.22-rc: regression: no irda0 interface (2.6.21 was OK), smsc does not find chip |
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(Adding Linus Walleij, who wrote part of the smsc driver, to Cc:)
On Mon, Jun 04, 2007 at 06:33:56AM +0400, Andrey Borzenkov wrote: > On Monday 04 June 2007, Samuel Ortiz wrote: > > It seems that PnP tells us that the FIR port is at 0x2e8 while we're > > expecting it at 0x2f8. > > Could you apply this patch and then send me a dmesg dump of the > > smsc-ircc initialisation ? > > > > here is dmesg: > > Detected unconfigured Toshiba laptop with ALi ISA bridge SMSC IrDA chip, > pre-configuring device. > Activated ALi 1533 ISA bridge port 0x02e8. > Activated ALi 1533 ISA bridge port 0x02f8. > pnp: Device 00:0a activated. > smsc_ircc_pnp_probe(): fir 0x2e8 sir 0x100 dma 1 irq 5 Ok, FIR and SIR are definitey mixed up. So, now could you please try Bjorn's patch ? I wonder if the curent code (without PnP) enables 0x2f8 as the SIR port through the preconfiguration code...
Cheers, Samuel.
> High: 0xef, Chip 0x1 > smsc_ircc_present(), addr 0x02e8 - no device found! > pnp: Device 00:0a disabled. > > And here is what PnP tells us: > {pts/1}% cat /sys/bus/pnp/devices/00:0a/options > port 0x100-0x130, align 0xf, size 0x8, 16-bit address decoding > irq 3,4,5,6,7,10,11 High-Edge > dma 1,2,3 16-bit compatible > 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 > {pts/1}% cat /sys/bus/pnp/devices/00:0a/resources > state = disabled > {pts/1}% sudo sh -c 'echo activate > /sys/bus/pnp/devices/00:0a/resources' > {pts/1}% cat /sys/bus/pnp/devices/00:0a/resources > state = active > io 0x100-0x107 > io 0x2e8-0x2ef > irq 5 > dma 1 > > -andrey > > > Cheers, > > Samuel. > > > > > > diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c > > index 9043bf4..d1d46a6 100644 > > --- a/drivers/net/irda/smsc-ircc2.c > > +++ b/drivers/net/irda/smsc-ircc2.c > > @@ -391,6 +391,9 @@ static int __init smsc_ircc_pnp_probe(struct pnp_dev > > *dev, dma = pnp_dma(dev, 0); > > irq = pnp_irq(dev, 0); > > > > + printk("%s(): fir 0x%x sir 0x%x dma %d irq %d\n", > > + __FUNCTION__, firbase, sirbase, dma, irq); > > + > > if (smsc_ircc_open(firbase, sirbase, dma, irq)) > > return -ENODEV; > > > > @@ -655,6 +658,7 @@ static int smsc_ircc_present(unsigned int fir_base, > > unsigned int sir_base) irq = (config & IRCC_INTERFACE_IRQ_MASK) >> 4; > > > > if (high != 0x10 || low != 0xb8 || (chip != 0xf1 && chip != 0xf2)) { > > + printk("High: 0x%x, Chip 0x%x\n", high, chip); > > IRDA_WARNING("%s(), addr 0x%04x - no device found!\n", > > __FUNCTION__, fir_base); > > goto out3; > >
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