Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-22 Thread Rafael J. Wysocki
On Fri, Jan 22, 2016 at 8:23 PM, David Daney wrote: > On 01/22/2016 09:53 AM, Bjorn Helgaas wrote: >> >> On Thu, Jan 21, 2016 at 11:58:26PM +0100, Rafael J. Wysocki wrote: >>> >>> On Thu, Jan 21, 2016 at 3:41 PM, Cao jin >>> wrote: Hi, IMHO, I think maybe modification on

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-22 Thread David Daney
On 01/22/2016 09:53 AM, Bjorn Helgaas wrote: On Thu, Jan 21, 2016 at 11:58:26PM +0100, Rafael J. Wysocki wrote: On Thu, Jan 21, 2016 at 3:41 PM, Cao jin wrote: Hi, IMHO, I think maybe modification on i801_smbus driver is easier. Because when i801_smbus request_irq using pci_dev->ir

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-22 Thread Bjorn Helgaas
On Thu, Jan 21, 2016 at 11:58:26PM +0100, Rafael J. Wysocki wrote: > On Thu, Jan 21, 2016 at 3:41 PM, Cao jin wrote: > > Hi, > > > > IMHO, I think maybe modification on i801_smbus driver is easier. > > > > Because when i801_smbus request_irq using pci_dev->irq, this > > pci_dev->irq seems

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-21 Thread Rafael J. Wysocki
On Thu, Jan 21, 2016 at 3:41 PM, Cao jin wrote: > Hi, > > IMHO, I think maybe modification on i801_smbus driver is easier. > > Because when i801_smbus request_irq using pci_dev->irq, this > pci_dev->irq seems still holds the value read from register( > pci_setup_device->pci_read_irq), if t

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-21 Thread Cao jin
Hi, IMHO, I think maybe modification on i801_smbus driver is easier. Because when i801_smbus request_irq using pci_dev->irq, this pci_dev->irq seems still holds the value read from register( pci_setup_device->pci_read_irq), if the value is 255, it is invalid in register, but when requ

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-21 Thread Chen Fan
On 01/21/2016 01:12 AM, Bjorn Helgaas wrote: On Wed, Jan 20, 2016 at 12:21:24PM +0800, Chen Fan wrote: On 01/20/2016 08:24 AM, Bjorn Helgaas wrote: [+cc Jiang] Hi Chen, On Tue, Jan 19, 2016 at 02:43:30PM +0100, Rafael J. Wysocki wrote: On Tuesday, January 19, 2016 09:45:13 AM Chen Fan wrote

Re: [PATCH] pci: fix unavailable irq number 255 reported by BIOS

2016-01-20 Thread Bjorn Helgaas
On Wed, Jan 20, 2016 at 12:21:24PM +0800, Chen Fan wrote: > > On 01/20/2016 08:24 AM, Bjorn Helgaas wrote: > >[+cc Jiang] > > > >Hi Chen, > > > >On Tue, Jan 19, 2016 at 02:43:30PM +0100, Rafael J. Wysocki wrote: > >>On Tuesday, January 19, 2016 09:45:13 AM Chen Fan wrote: > >>>In our environment,