commit 8cc0dcfdc1c0e0be107d0288f9c0cf1f4201be62
Author: Vineeth Vijayan <[email protected]>
Date: Fri Nov 20 09:36:38 2020 +0100
s390/cio: remove pm support from ccw bus driver
As part of removing broken pm-support from s390 arch, remove
the pm callbacks from ccw-bus driver.The power-management functions
are unused since the 'commit 394216275c7d ("s390: remove broken
hibernate / power management support")'.
Signed-off-by: Vineeth Vijayan <[email protected]>
Reviewed-by: Peter Oberparleiter <[email protected]>
Signed-off-by: Heiko Carstens <[email protected]>
arch/s390/include/asm/ccwdev.h | 10 --
drivers/s390/cio/cmf.c | 5 -
drivers/s390/cio/device.c | 247 +----------------------------------------
drivers/s390/cio/device.h | 1 -
drivers/s390/cio/device_fsm.c | 6 -
drivers/s390/cio/io_sch.h | 1 -
It seems it wasn't as unused/broken as they thought :-/
BTW the referenced 394216275c7d ("s390: remove broken hibernate / power
management support") was in v5.7
Found by:
$ git bisect log
git bisect start
# good: [2c85ebc57b3e1817b6ce1a6b703928e113a90442] Linux 5.10
git bisect good 2c85ebc57b3e1817b6ce1a6b703928e113a90442
# bad: [f40ddce88593482919761f74910f42f4b84c004b] Linux 5.11
git bisect bad f40ddce88593482919761f74910f42f4b84c004b
# bad: [538fcf57aaee6ad78a05f52b69a99baa22b33418] Merge branches 'acpi-scan',
'acpi-pnp' and 'acpi-sleep'
git bisect bad 538fcf57aaee6ad78a05f52b69a99baa22b33418
# bad: [15b447361794271f4d03c04d82276a841fe06328] mm/lru: revise the comments
of lru_lock
git bisect bad 15b447361794271f4d03c04d82276a841fe06328
# good: [b10733527bfd864605c33ab2e9a886eec317ec39] Merge tag
'amd-drm-next-5.11-2020-12-09' of git://people.freedesktop.org/~agd5f/linux
into drm-next
git bisect good b10733527bfd864605c33ab2e9a886eec317ec39
# good: [2c075f38a708c578a752b738a45e8c26923eac2e] Merge branch 'radeon-fixes'
(Radeon and amdgpu fixes)
git bisect good 2c075f38a708c578a752b738a45e8c26923eac2e
# bad: [76d4acf22b4847f6c7b2f9042366fbdc3d20f578] Merge tag
'perf-kprobes-2020-12-14' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad 76d4acf22b4847f6c7b2f9042366fbdc3d20f578
# bad: [f9b4240b074730f41c1ef8e0d695d10fb5bb1e27] Merge tag 'fixes-v5.11' of
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
git bisect bad f9b4240b074730f41c1ef8e0d695d10fb5bb1e27
# good: [d889797530c66f699170233474eab3361471e808] Merge remote-tracking branch
'arm64/for-next/fixes' into for-next/core
git bisect good d889797530c66f699170233474eab3361471e808
# good: [2f6ea6fb88ab9d517644a098fc670b4d5dd1735e] s390/tape: remove
unsupported PM functions
git bisect good 2f6ea6fb88ab9d517644a098fc670b4d5dd1735e
# bad: [586592478b1fa8bb8cd6875a9191468e9b1a8b13] Merge tag 's390-5.11-1' of
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
git bisect bad 586592478b1fa8bb8cd6875a9191468e9b1a8b13
# good: [0b03beface02d519693edb8020f9811c67d5c88f] Merge tag
'm68k-for-v5.11-tag1' of
git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
git bisect good 0b03beface02d519693edb8020f9811c67d5c88f
# bad: [613775d62ec60202f98d2c5f520e6e9ba6dd4ac4] s390/kexec_file: fix diag308
subcode when loading crash kernel
git bisect bad 613775d62ec60202f98d2c5f520e6e9ba6dd4ac4
# good: [796cfabde5b23e1e506994fd11d2609ec2818e8d] s390/cio: remove pm support
from IO subchannel drivers
git bisect good 796cfabde5b23e1e506994fd11d2609ec2818e8d
# bad: [8cc0dcfdc1c0e0be107d0288f9c0cf1f4201be62] s390/cio: remove pm support
from ccw bus driver
git bisect bad 8cc0dcfdc1c0e0be107d0288f9c0cf1f4201be62
# good: [ef2eea78a6f363a58c909b7a0fd002df7cc52991] s390/cio: remove pm support
from css-bus driver
git bisect good ef2eea78a6f363a58c909b7a0fd002df7cc52991
# first bad commit: [8cc0dcfdc1c0e0be107d0288f9c0cf1f4201be62] s390/cio: remove
pm support from ccw bus driver
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