Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-12 Thread Maciej W. Rozycki
On Wed, 7 Nov 2007, Bjorn Helgaas wrote: > There will undoubtedly be errors in what the firmware reports. But if > firmware tells us about some non PC/AT device, we should believe it at > least enough to avoid placing some other device on top of it. > > If we have PNPBIOS or ACPI, the built-in

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-12 Thread Maciej W. Rozycki
On Wed, 7 Nov 2007, Bjorn Helgaas wrote: There will undoubtedly be errors in what the firmware reports. But if firmware tells us about some non PC/AT device, we should believe it at least enough to avoid placing some other device on top of it. If we have PNPBIOS or ACPI, the built-in stuff

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-07 Thread Bjorn Helgaas
On Wednesday 07 November 2007 06:22:48 am Maciej W. Rozycki wrote: > On Mon, 29 Oct 2007, Bjorn Helgaas wrote: > > > -001f : dma1<-- built-in resource includes 2 > > controllers > > -000f : 00:02 <-- PNP reports only one DMA controller > [...] > >

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-07 Thread Maciej W. Rozycki
On Mon, 29 Oct 2007, Bjorn Helgaas wrote: > -001f : dma1 <-- built-in resource includes 2 controllers > -000f : 00:02 <-- PNP reports only one DMA controller [...] > 0060-006f : keyboard <-- built-in resource groups several things >

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-07 Thread Bjorn Helgaas
On Wednesday 07 November 2007 06:22:48 am Maciej W. Rozycki wrote: On Mon, 29 Oct 2007, Bjorn Helgaas wrote: -001f : dma1-- built-in resource includes 2 controllers -000f : 00:02 -- PNP reports only one DMA controller [...] 0060-006f :

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-11-07 Thread Maciej W. Rozycki
On Mon, 29 Oct 2007, Bjorn Helgaas wrote: -001f : dma1 -- built-in resource includes 2 controllers -000f : 00:02 -- PNP reports only one DMA controller [...] 0060-006f : keyboard -- built-in resource groups several things 0060-0060 :

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-10-29 Thread Matthew Garrett
On Mon, Oct 29, 2007 at 03:25:31PM -0600, Bjorn Helgaas wrote: > Reserve resources used by active PNP devices to prevent those resources > from being assigned to other devices. Yes, I think this is probably a safe approach to take. -- Matthew Garrett | [EMAIL PROTECTED] - To unsubscribe from

[RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-10-29 Thread Bjorn Helgaas
Reserve resources used by active PNP devices to prevent those resources from being assigned to other devices. This can be turned off with the "pnp=no_reservations" flag. If you need to use it, please report it, because it indicates a potential problem, like a driver that requests more resources

[RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-10-29 Thread Bjorn Helgaas
Reserve resources used by active PNP devices to prevent those resources from being assigned to other devices. This can be turned off with the pnp=no_reservations flag. If you need to use it, please report it, because it indicates a potential problem, like a driver that requests more resources

Re: [RFC] [PATCH] PNP: request ioport and iomem resources used by active devices

2007-10-29 Thread Matthew Garrett
On Mon, Oct 29, 2007 at 03:25:31PM -0600, Bjorn Helgaas wrote: Reserve resources used by active PNP devices to prevent those resources from being assigned to other devices. Yes, I think this is probably a safe approach to take. -- Matthew Garrett | [EMAIL PROTECTED] - To unsubscribe from this