[ifc6640][db820c] enable support for UFS drive

Bug #1853556 reported by Shrirang Bagul on 2019-11-22
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux-snapdragon (Ubuntu)

Bug Description

The Inforce 6640 and Dragonboard 820 have a Universal Flash Storage (UFS) drive on board. This is a tracking bug for enabling kernel support on these platforms.

Both Dragonboard 820c and Inforce 6640 (based on Snapdragon820 SoC) have a
Universal Flash Drive on-board. These patches fix the instabiliy issues and
enable support for the UFS.

Fix the bring-up of the QMP PHY shared between the UFS and the PCIE ports.
This patch set reverts patches picked-up from Linaro development tree and
replaces them with necessary updates from upstream mainline and stable kernel

[Test Case]
Test kernel based on Ubuntu-snapdragon-4.15.0-1068.75 was verified on both the
DB820c and IFC6640.

[Regression Risk]
Low. Kernel configs enabling the UFS were disabled in previous versions.

This is a tracking bug, please don't triage

description: updated
summary: - [ifc6640][db820c] enalbe support for UFS drive
+ [ifc6640][db820c] enable support for UFS drive
description: updated
Changed in linux-snapdragon (Ubuntu Bionic):
status: New → Confirmed
importance: Undecided → Medium
Changed in linux-snapdragon (Ubuntu Bionic):
status: Confirmed → Fix Committed
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