[S390] cio: Allow adapter interrupt handlers per isc.

Enhance the adapter interruption API so that device drivers can
register a handler for a specific interruption subclass. This
will allow different device drivers to move to differently
prioritized subclasses in order to avoid congestion.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index a4f9130910d6..bf616daeff4c 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -641,7 +641,7 @@ do_IRQ (struct pt_regs *regs)
                  */
                 if (tpi_info->adapter_IO == 1 &&
                     tpi_info->int_type == IO_INTERRUPT_TYPE) {
-                        do_adapter_IO();
+                        do_adapter_IO(tpi_info->isc);
                         continue;
                 }
                 sch = (struct subchannel *)(unsigned long)tpi_info->intparm;