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(parent: 87ccdcf) | patch
s390/pci: remove bit_lock usage in interrupt handler
authorSebastian Ott <sebott@linux.ibm.com>
Tue, 30 Oct 2018 13:04:46 +0000 (14:04 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Thu, 13 Dec 2018 09:42:25 +0000 (10:42 +0100)
commit9594ca6b87d9f11e9f14ac31581e0e5d79a8e839
treea62624e2f1bfb99351c775f04dd1db04f2c59b32tree | snapshot
parent87ccdcfa9c706be835fea226eda0b1ae9c671413commit | diff
s390/pci: remove bit_lock usage in interrupt handler

The interrupt handler uses bit_spin_lock around a call to retrieve
per irq data (the irq number). However this per irq data is only
set during irq setup time and never changed until the irq is freed.

Thus it's safe to remove the lock usage.

Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/pci/pci.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git