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1ace9f00ec
If you look at the bindings for the UFS Host Controller it says:
- compatible: must contain "jedec,ufs-1.1" or "jedec,ufs-2.0", may
also list one or more of the following:
"qcom,msm8994-ufshc"
"qcom,msm8996-ufshc"
"qcom,ufshc"
My reading of that is that it's fine to just have either of these:
1. "qcom,msm8996-ufshc", "jedec,ufs-2.0"
2. "qcom,ufshc", "jedec,ufs-2.0"
As far as I can tell neither of the above is actually a good idea.
For #1 it turns out that the driver currently only keys off the
compatible string "qcom,ufshc" so it won't actually probe.
For #2 the driver won't probe but it's not a good idea to keep the SoC
name out of the compatible string.
Let's update the compatible string to make it really explicit. We'll
include a nod to the existing driver and the old binding and say that
we should always include the "qcom,ufshc" string in addition to the
SoC compatible string.
While we're at it we'll also include another example SoC known to have
UFS: sdm845.
Fixes: 47555a5c8a ("scsi: ufs: make the UFS variant a platform device")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.