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mei: bus: unconditionally enable clients with vtag support

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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>
This commit is contained in:
Alexander Usyskin 2020-08-18 14:51:44 +03:00 committed by Greg Kroah-Hartman
parent e5617d2bf5
commit 224ae60752
1 changed files with 12 additions and 0 deletions
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12
drivers/misc/mei/bus-fixup.c
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@ -463,6 +463,17 @@ static void mei_nfc(struct mei_cl_device *cldev)
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),
};
/**