Messages in this thread | | | From | Michael Buesch <> | Subject | Re: hwrng on 82801EB/ER (ICH5/ICH5R) fails rngtest checks | Date | Thu, 27 Jul 2006 15:29:39 +0200 |
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On Wednesday 26 July 2006 21:44, gmu 2k6 wrote: > > But could you try the following patch on top of latest git? > > It's just a random test, but I think it's worth trying. > > Let's see if it works around the issue. > > > > Index: linux-2.6/drivers/char/hw_random/intel-rng.c > > =================================================================== > > --- linux-2.6.orig/drivers/char/hw_random/intel-rng.c 2006-06-27 17:48:13.000000000 +0200 > > +++ linux-2.6/drivers/char/hw_random/intel-rng.c 2006-07-26 17:27:03.000000000 +0200 > > @@ -104,9 +104,14 @@ > > int err = -EIO; > > > > hw_status = hwstatus_get(mem); > > + hw_status = hwstatus_set(mem, hw_status & ~INTEL_RNG_ENABLED); > > + hw_status = hwstatus_set(mem, hw_status | INTEL_RNG_ENABLED); > > +#if 0 > > + hw_status = hwstatus_get(mem); > > /* turn RNG h/w on, if it's off */ > > if ((hw_status & INTEL_RNG_ENABLED) == 0) > > hw_status = hwstatus_set(mem, hw_status | INTEL_RNG_ENABLED); > > +#endif > > if ((hw_status & INTEL_RNG_ENABLED) == 0) { > > printk(KERN_ERR PFX "cannot enable RNG, aborting\n"); > > goto out; > > well as it didn't work, are you sure it was not intended to be more like this: > @@ -104,9 +104,14 @@ > int err = -EIO; > > hw_status = hwstatus_get(mem); > + hw_status = hwstatus_set(mem, hw_status & ~INTEL_RNG_ENABLED); > + hw_status = hwstatus_set(mem, hw_status | INTEL_RNG_ENABLED); > +#if 0 > /* turn RNG h/w on, if it's off */ > if ((hw_status & INTEL_RNG_ENABLED) == 0) > hw_status = hwstatus_set(mem, hw_status | INTEL_RNG_ENABLED); > +#endif > if ((hw_status & INTEL_RNG_ENABLED) == 0) { > printk(KERN_ERR PFX "cannot enable RNG, aborting\n"); > goto out; > > ?
I don't think that makes a difference to the generated code, does it?
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