Messages in this thread | | | Date | Mon, 8 Aug 2016 15:43:15 +0200 | From | Greg KH <> | Subject | Re: [PATCH 1/2] sc16is7xx: Do not handle irqs in endless loop |
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On Mon, Aug 08, 2016 at 03:32:15PM +0200, dirk.eibach@gdsys.cc wrote: > From: Dirk Eibach <dirk.eibach@gdsys.cc> > > sc16is7xx_port_irq() is laid out as an endless loop. It will exit only > when there is no more interrupt left to service. This not common > practice. > In our case it lead to some strange hangup situation when there was an > unexpected XOFF-interrupt that could not be handled. > So let's service interrupts only once and report XOFF-interrupts that > should never happen since they are never enabled. > > Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc> > > Conflicts: > drivers/tty/serial/sc16is7xx.c
Why are these 2 lines in here?
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