This patch makes PowerPC 4xx UIC use generic edge and level irq handlers
instead of a custom handle_uic_irq() function. Acking a level irq on UIC
has no effect if the interrupt is still asserted by the device, even if
the interrupt is already masked. So, to really de-assert the interrupt
we need
Benjamin Herrenschmidt wrote:
On Wed, 2007-11-14 at 13:13 +1100, David Gibson wrote:
Hrm. I *think* I'm convinced this is safe, although acking in a
callback which doesn't say it acks is rather yucky. Essentially this
code is trading flow readability (because just reading
handle_level_irq
On Tue, Nov 13, 2007 at 11:27:31PM +0300, Valentine Barshak wrote:
This patch makes PowerPC 4xx UIC use generic edge and level irq handlers
instead of a custom handle_uic_irq() function. Acking a level irq on UIC
has no effect if the interrupt is still asserted by the device, even if
the
On Wed, 2007-11-14 at 13:13 +1100, David Gibson wrote:
Hrm. I *think* I'm convinced this is safe, although acking in a
callback which doesn't say it acks is rather yucky. Essentially this
code is trading flow readability (because just reading
handle_level_irq will tell you something other
