# git rev-parse -q --verify 6c90b86a745a446717fdf408c4a8a4631a5e8ee3^{commit}
6c90b86a745a446717fdf408c4a8a4631a5e8ee3
already have revision, skipping fetch
# git checkout -q -f -B kisskb 6c90b86a745a446717fdf408c4a8a4631a5e8ee3
# git clean -qxdf
# < git log -1
# commit 6c90b86a745a446717fdf408c4a8a4631a5e8ee3
# Merge: cd607737f3b8 4686392c3236
# Author: Linus Torvalds <torvalds@linux-foundation.org>
# Date:   Thu Mar 19 12:45:14 2020 -0700
# 
#     Merge tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
#     
#     Pull MMC fixes from Ulf Hansson:
#     
#      - rtsx_pci: Fix support for some various speed modes
#     
#      - sdhci-of-at91: Fix support for GPIO card detect on SAMA5D2
#     
#      - sdhci-cadence: Fix support for DDR52 speed mode for eMMC on UniPhier
#     
#      - sdhci-acpi: Fix broken WP support on Acer Aspire Switch 10
#     
#      - sdhci-acpi: Workaround FW bug for suspend on Lenovo Miix 320
#     
#     * tag 'mmc-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
#       mmc: rtsx_pci: Fix support for speed-modes that relies on tuning
#       mmc: sdhci-of-at91: fix cd-gpios for SAMA5D2
#       mmc: sdhci-cadence: set SDHCI_QUIRK2_PRESET_VALUE_BROKEN for UniPhier
#       mmc: sdhci-acpi: Disable write protect detection on Acer Aspire Switch 10 (SW5-012)
#       mmc: sdhci-acpi: Switch signal voltage back to 3.3V on suspend on external microSD on Lenovo Miix 320
# < /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 6c90b86a745a446717fdf408c4a8a4631a5e8ee3
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  defconfig
# < make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  help
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  olddefconfig
# make -s -j 48 ARCH=arm64 O=/kisskb/build/linus_arm64-defconfig_arm64-gcc5.4 CROSS_COMPILE=/opt/cross/kisskb/br-aarch64-glibc-2016.08-613-ge98b4dd/bin/aarch64-linux-  
arch/arm64/Makefile:27: ld does not support --fix-cortex-a53-843419; kernel may be susceptible to erratum
arch/arm64/Makefile:35: LSE atomics not supported by binutils
In file included from /kisskb/src/include/linux/rwsem.h:16:0,
                 from /kisskb/src/include/linux/notifier.h:15,
                 from /kisskb/src/include/linux/clk.h:14,
                 from /kisskb/src/drivers/tty/serial/sh-sci.c:20:
/kisskb/src/drivers/tty/serial/sh-sci.c: In function 'sci_dma_rx_submit':
/kisskb/src/include/linux/spinlock.h:288:3: warning: 'flags' may be used uninitialized in this function [-Wmaybe-uninitialized]
   _raw_spin_unlock_irqrestore(lock, flags); \
   ^
/kisskb/src/drivers/tty/serial/sh-sci.c:1348:16: note: 'flags' was declared here
  unsigned long flags;
                ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c: In function 'sh_mobile_i2c_isr':
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:399:26: warning: 'data' may be used uninitialized in this function [-Wmaybe-uninitialized]
   pd->msg->buf[real_pos] = data;
                          ^
/kisskb/src/drivers/i2c/busses/i2c-sh_mobile.c:372:16: note: 'data' was declared here
  unsigned char data;
                ^
Completed OK
# rm -rf /kisskb/build/linus_arm64-defconfig_arm64-gcc5.4
# Build took: 0:05:16.190471