Comment 47 for bug 1848883

First test with 5.5-rc1 failed with the same issue using these steps....

git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
cd linux/
git tag
git checkout v5.5-rc1
wget https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1848883/+attachment/5311741/+files/0001-mmc-sdhci-pci-Fix-premature-clock-gating-of-CQHCI-on.patch
git am 0001-mmc-sdhci-pci-Fix-premature-clock-gating-of-CQHCI-on.patch
make localmodconfig
make -j`nproc` deb-pkg
dpkg -i *.deb
reboot