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author | Julian Wiedmann <jwi@linux.ibm.com> | 2019-07-23 11:55:27 +0200 |
---|---|---|
committer | Vasily Gorbik <gor@linux.ibm.com> | 2019-10-31 17:20:51 +0100 |
commit | 94c43bdaa0073c43a0a1b12e65c51070f02a0642 (patch) | |
tree | b0010a93874ca0bd214727dcb29882b3bd21e36e /drivers/s390/cio/qdio_setup.c | |
parent | 4611281021e9835da825b79ba9b62a31670e0791 (diff) | |
download | lwn-94c43bdaa0073c43a0a1b12e65c51070f02a0642.tar.gz lwn-94c43bdaa0073c43a0a1b12e65c51070f02a0642.zip |
s390/qdio: simplify thinint device registration
On an interrupt, tiqdio_thinint_handler() walks a list of all objects
that might require attention, and checks their DSCI. This list is
awkwardly built from Input Queues, even though the IRQs are per-device
and the queue is then only used to dereference its qdio_irq parent.
To simplify the logic, change the code so that tiq_list contains
qdio_irq entries.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Benjamin Block <bblock@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390/cio/qdio_setup.c')
-rw-r--r-- | drivers/s390/cio/qdio_setup.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c index cd164886132f..dc430bd86ade 100644 --- a/drivers/s390/cio/qdio_setup.c +++ b/drivers/s390/cio/qdio_setup.c @@ -150,7 +150,6 @@ static int __qdio_allocate_qs(struct qdio_q **irq_ptr_qs, int nr_queues) return -ENOMEM; } irq_ptr_qs[i] = q; - INIT_LIST_HEAD(&q->entry); } return 0; } @@ -179,7 +178,6 @@ static void setup_queues_misc(struct qdio_q *q, struct qdio_irq *irq_ptr, q->mask = 1 << (31 - i); q->nr = i; q->handler = handler; - INIT_LIST_HEAD(&q->entry); } static void setup_storage_lists(struct qdio_q *q, struct qdio_irq *irq_ptr, |