Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-11 Thread Jon Masters
On 04/07/2016 11:56 AM, Al Stone wrote: > config DEVPORT > bool > depends on ISA && PCI > default y > > That makes more sense. Thanks. I think Itanium does IO ports but not ISA. Probably best to just turn on IO ports on the three architectures that use them in that case.

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-11 Thread Jon Masters
On 04/07/2016 11:56 AM, Al Stone wrote: > config DEVPORT > bool > depends on ISA && PCI > default y > > That makes more sense. Thanks. I think Itanium does IO ports but not ISA. Probably best to just turn on IO ports on the three architectures that use them in that case.

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-08 Thread Arnd Bergmann
On Thursday 07 April 2016, Al Stone wrote: > >>> config DEVPORT > >>> bool > >>> - depends on !M68K > >>> + depends on !M68K && !ARM64 > >> > >> Why not fix the real bug here, it's odd that only these two arches need > >> this disabled, don't you agree? > > Agreed. It does seem

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-08 Thread Arnd Bergmann
On Thursday 07 April 2016, Al Stone wrote: > >>> config DEVPORT > >>> bool > >>> - depends on !M68K > >>> + depends on !M68K && !ARM64 > >> > >> Why not fix the real bug here, it's odd that only these two arches need > >> this disabled, don't you agree? > > Agreed. It does seem

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-07 Thread Al Stone
On 04/07/2016 01:26 AM, Geert Uytterhoeven wrote: > On Thu, Apr 7, 2016 at 2:18 AM, Greg Kroah-Hartman > wrote: >> On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: >>> On arm64 systems, using /dev/port does not really make sense; this is >>> historically used

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-07 Thread Al Stone
On 04/07/2016 01:26 AM, Geert Uytterhoeven wrote: > On Thu, Apr 7, 2016 at 2:18 AM, Greg Kroah-Hartman > wrote: >> On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: >>> On arm64 systems, using /dev/port does not really make sense; this is >>> historically used for other architectures to

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-07 Thread Geert Uytterhoeven
On Thu, Apr 7, 2016 at 2:18 AM, Greg Kroah-Hartman wrote: > On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: >> On arm64 systems, using /dev/port does not really make sense; this is >> historically used for other architectures to access ISA IO ports, which >>

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-07 Thread Geert Uytterhoeven
On Thu, Apr 7, 2016 at 2:18 AM, Greg Kroah-Hartman wrote: > On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: >> On arm64 systems, using /dev/port does not really make sense; this is >> historically used for other architectures to access ISA IO ports, which >> with any luck do not exist

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-06 Thread Greg Kroah-Hartman
On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: > On arm64 systems, using /dev/port does not really make sense; this is > historically used for other architectures to access ISA IO ports, which > with any luck do not exist on arm64 platforms. With the following snippet > of perl code

Re: [PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-06 Thread Greg Kroah-Hartman
On Wed, Apr 06, 2016 at 03:27:20PM -0600, Al Stone wrote: > On arm64 systems, using /dev/port does not really make sense; this is > historically used for other architectures to access ISA IO ports, which > with any luck do not exist on arm64 platforms. With the following snippet > of perl code

[PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-06 Thread Al Stone
On arm64 systems, using /dev/port does not really make sense; this is historically used for other architectures to access ISA IO ports, which with any luck do not exist on arm64 platforms. With the following snippet of perl code (from Jeff Bastian ), we can reliably panic an

[PATCH] arm64: CONFIG_DEVPORT should not be used when PCI is being used

2016-04-06 Thread Al Stone
On arm64 systems, using /dev/port does not really make sense; this is historically used for other architectures to access ISA IO ports, which with any luck do not exist on arm64 platforms. With the following snippet of perl code (from Jeff Bastian ), we can reliably panic an arm64 system with PCI