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Kevin Hilman 02b26774af PM / Runtime: Allow _put_sync() from interrupts-disabled context ... Currently the use of pm_runtime_put_sync() is not safe from interrupts-disabled context because rpm_idle() will release the spinlock and enable interrupts for the idle callbacks. This enables interrupts during a time where interrupts were expected to be disabled, and can have strange side effects on drivers that expected interrupts to be disabled. This is not a bug since the documentation clearly states that only _put_sync_suspend() is safe in IRQ-safe mode. However, pm_runtime_put_sync() could be made safe when in IRQ-safe mode by releasing the spinlock but not re-enabling interrupts, which is what this patch aims to do. Problem was found when using some buggy drivers that set pm_runtime_irq_safe() and used _put_sync() in interrupts-disabled context. Reported-by: Colin Cross <ccross@google.com> Tested-by: Nishanth Menon <nm@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>		14 years ago
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Makefile	…
clock_ops.c	…
domain.c	PM / Domains: Fix pm_genpd_poweron()	14 years ago
generic_ops.c	…
main.c	…
opp.c	…
power.h	…
runtime.c	PM / Runtime: Allow _put_sync() from interrupts-disabled context	14 years ago
sysfs.c	…
trace.c	…
wakeup.c	…