# git rev-parse -q --verify 9a3d7fd275be4559277667228902824165153c80^{commit}
# git fetch -q -n -f git://fs.ozlabs.ibm.com/kernel/linus master
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log.
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

# git rev-parse -q --verify 9a3d7fd275be4559277667228902824165153c80^{commit}
9a3d7fd275be4559277667228902824165153c80
# git checkout -q -f -B kisskb 9a3d7fd275be4559277667228902824165153c80
# git clean -qxdf
# < git log -1
# commit 9a3d7fd275be4559277667228902824165153c80
# Merge: 0dd09bc02c1b 0e4a459f56c3
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Wed Nov 27 11:06:20 2019 -0800
# 
#     Merge tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
#     
#     Pull driver core updates from Greg KH:
#      "Here is the "big" set of driver core patches for 5.5-rc1
#     
#       There's a few minor cleanups and fixes in here, but the majority of
#       the patches in here fall into two buckets:
#     
#        - debugfs api cleanups and fixes
#     
#        - driver core device link support for boot dependancy issues
#     
#       The debugfs api cleanups are working to slowly refactor the debugfs
#       apis so that it is even harder to use incorrectly. That work has been
#       happening for the past few kernel releases and will continue over
#       time, it's a long-term project/goal
#     
#       The driver core device link support missed 5.4 by just a bit, so it's
#       been sitting and baking for many months now. It's from Saravana Kannan
#       to help resolve the problems that DT-based systems have at boot time
#       with dependancy graphs and kernel modules. Turns out that no one has
#       actually tried to build a generic arm64 kernel with loads of modules
#       and have it "just work" for a variety of platforms (like a distro
#       kernel). The big problem turned out to be a lack of dependency
#       information between different areas of DT entries, and the work here
#       resolves that problem and now allows devices to boot properly, and
#       quicker than a monolith kernel.
#     
#       All of these patches have been in linux-next for a long time with no
#       reported issues"
#     
#     * tag 'driver-core-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (68 commits)
#       tracing: Remove unnecessary DEBUG_FS dependency
#       of: property: Add device link support for interrupt-parent, dmas and -gpio(s)
#       debugfs: Fix !DEBUG_FS debugfs_create_automount
#       of: property: Add device link support for "iommu-map"
#       of: property: Fix the semantics of of_is_ancestor_of()
#       i2c: of: Populate fwnode in of_i2c_get_board_info()
#       drivers: base: Fix Kconfig indentation
#       firmware_loader: Fix labels with comma for builtin firmware
#       driver core: Allow device link operations inside sync_state()
#       driver core: platform: Declare ret variable only once
#       cpu-topology: declare parse_acpi_topology in <linux/arch_topology.h>
#       crypto: hisilicon: no need to check return value of debugfs_create functions
#       driver core: platform: use the correct callback type for bus_find_device
#       firmware_class: make firmware caching configurable
#       driver core: Clarify documentation for fwnode_operations.add_links()
#       mailbox: tegra: Fix superfluous IRQ error message
#       net: caif: Fix debugfs on 64-bit platforms
#       mac80211: Use debugfs_create_xul() helper
#       media: c8sectpfe: no need to check return value of debugfs_create functions
#       of: property: Add device link support for iommus, mboxes and io-channels
#       ...
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-gcc --version
# < /opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-ld --version
# < git log --format=%s --max-count=1 9a3d7fd275be4559277667228902824165153c80
# < make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  randconfig
KCONFIG_SEED=0x28EB991A
# Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y
# yes \n | make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  oldconfig
yes: standard output: Broken pipe
# make -s -j 120 ARCH=arm64 O=/kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
WARNING: modpost: missing MODULE_LICENSE() in drivers/pinctrl/pinctrl-equilibrium.o
see include/linux/module.h for more information
Completed OK
# rm -rf /kisskb/build/linus-rand_arm64-randconfig_arm64-gcc5.4
# Build took: 0:02:02.693315