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Commit c93bd175414a ("powerpc/fsl: move to use bus_get_dev_root()")
changed to use bus_get_dev_root() but didn't consider that the function
can fail and return an uninitialized value of ret (hint, the function
can never fail, but the compiler doesn't know that.)
Fix this up by setting ret to -EINVAL just in case something really goes
wrong with the call to bus_get_dev_root().
Cc: Michael Ellerman <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: [email protected]
Fixes: c93bd175414a ("powerpc/fsl: move to use bus_get_dev_root()")
Reported-by: kernel test robot <[email protected]>
Link: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.
Cc: Michael Ellerman <[email protected]>
Cc: Nicholas Piggin <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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In an effort to remove all instances of 'struct timeval'
from the kernel, I'm changing the powerpc mpic_timer interface
to use plain seconds instead. There is only one user of this
interface, and that doesn't use the microseconds portion, so
the code gets noticeably simpler in the process.
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
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The driver provides a way to wake up the system by the MPIC timer.
For example,
echo 5 > /sys/devices/system/mpic/timer_wakeup
echo standby > /sys/power/state
After 5 seconds the MPIC timer will generate an interrupt to wake up
the system.
Signed-off-by: Wang Dongsheng <[email protected]>
Signed-off-by: Zhao Chenhui <[email protected]>
Signed-off-by: Li Yang <[email protected]>
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