Re: [rfc PATCH] ieee1394: ohci1394: delete bogus spinlock, flush MMIO writes

2006-11-28 Thread Alan
On Wed, 29 Nov 2006 00:50:43 +0100 Stefan Richter <[EMAIL PROTECTED]> wrote: > Alan wrote: > > On Tue, 28 Nov 2006 22:24:11 +0100 (CET) > > Stefan Richter <[EMAIL PROTECTED]> wrote: > >> All MMIO writes which were surrounded by the spinlock as well as the > >> very last MMIO write of the IRQ handl

Re: [rfc PATCH] ieee1394: ohci1394: delete bogus spinlock, flush MMIO writes

2006-11-28 Thread Stefan Richter
Alan wrote: > On Tue, 28 Nov 2006 22:24:11 +0100 (CET) > Stefan Richter <[EMAIL PROTECTED]> wrote: >> All MMIO writes which were surrounded by the spinlock as well as the >> very last MMIO write of the IRQ handler are now explicitly flushed by >> MMIO reads of the respective register. > > MMIO is

Re: [rfc PATCH] ieee1394: ohci1394: delete bogus spinlock, flush MMIO writes

2006-11-28 Thread Alan
On Tue, 28 Nov 2006 22:24:11 +0100 (CET) Stefan Richter <[EMAIL PROTECTED]> wrote: > All MMIO writes which were surrounded by the spinlock as well as the > very last MMIO write of the IRQ handler are now explicitly flushed by > MMIO reads of the respective register. MMIO is ordered anyway on the