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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-08-18 14:51:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 15:44:44 +0200 |
| commit | 224ae607526b4a389ae469207530fcdc9abaa7b9 (patch) | |
| tree | de3e63ee83784ea8675e5d820d90ccc139d5201d /drivers/misc/mei | |
| parent | e5617d2bf5492aea96cb99cc772aded46804add3 (diff) | |
| download | linux-224ae607526b4a389ae469207530fcdc9abaa7b9.tar.gz linux-224ae607526b4a389ae469207530fcdc9abaa7b9.tar.bz2 linux-224ae607526b4a389ae469207530fcdc9abaa7b9.zip | |
mei: bus: unconditionally enable clients with vtag support
The list of clients is only visible via mei client bus.
Enabling vtag clients on the mei client bus allows user-space to
enumerate clients with vtag support by traversing the mei bus on sysfs.
This feature is required for ACRN device model service.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-11-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
| -rw-r--r-- | drivers/misc/mei/bus-fixup.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 07ba16d46690..4e30fa98fe7d 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -463,6 +463,17 @@ out: dev_dbg(bus->dev, "end of fixup match = %d\n", cldev->do_match); } +/** + * vt_support - enable on bus clients with vtag support + * + * @cldev: me clients device + */ +static void vt_support(struct mei_cl_device *cldev) +{ + if (cldev->me_cl->props.vt_supported == 1) + cldev->do_match = 1; +} + #define MEI_FIXUP(_uuid, _hook) { _uuid, _hook } static struct mei_fixup { @@ -476,6 +487,7 @@ static struct mei_fixup { MEI_FIXUP(MEI_UUID_WD, mei_wd), MEI_FIXUP(MEI_UUID_MKHIF_FIX, mei_mkhi_fix), MEI_FIXUP(MEI_UUID_HDCP, whitelist), + MEI_FIXUP(MEI_UUID_ANY, vt_support), }; /** |