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bd2bc2b8e6
- Finally, after being puzzled by a bunch of recurrent UML
build failures on randconfigs from the build robot, Keno
Fischer nailed it: GPIO_DEVRES is optional and depends on
HAS_IOMEM even though many users just unconditionally rely
on it to be available. And it *should* be available:
garbage collection is nice for this and it *certainly* has
nothing to do with having IOMEM. So we got rid of it, and
now the UML builds should JustWork(TM).
- Do not call .get_direction() on sleeping GPIO chips on the
fastpath when locking GPIOs for interrupts: it is done
from atomic context, no way.
- Some driver fixes.
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Merge tag 'gpio-v4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"These are hopefully the last GPIO fixes for v4.9. The most important
is that it fixes the UML randconfig builds that have been nagging me
for some time and me being confused about where the problem was really
sitting, now this fix give this nice feeling that everything is solid
and builds fine.
Summary:
- Finally, after being puzzled by a bunch of recurrent UML build
failures on randconfigs from the build robot, Keno Fischer nailed
it: GPIO_DEVRES is optional and depends on HAS_IOMEM even though
many users just unconditionally rely on it to be available. And it
*should* be available: garbage collection is nice for this and it
*certainly* has nothing to do with having IOMEM. So we got rid of
it, and now the UML builds should JustWork(TM).
- Do not call .get_direction() on sleeping GPIO chips on the fastpath
when locking GPIOs for interrupts: it is done from atomic context,
no way.
- Some driver fixes"
* tag 'gpio-v4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: Remove GPIO_DEVRES option
gpio: tc3589x: fix up .get_direction()
gpio: do not double-check direction on sleeping chips
gpio: pca953x: Move memcpy into mutex lock for set multiple
gpio: pca953x: Fix corruption of other gpios in set_multiple.
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