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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2020-08-18 14:51:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-08-18 16:44:43 +0300 |
| commit | 2dd1e5ae8c96f1262ce81d0e77225281ae55eb3d (patch) | |
| tree | 8b617c93b302e7ad436133f7638c8d60b76b4518 /drivers/misc/mei/bus.c | |
| parent | beb4e1e50311eeb65009cded71c02f3826fa314f (diff) | |
| download | linux-2dd1e5ae8c96f1262ce81d0e77225281ae55eb3d.tar.xz | |
mei: add vtag support bit in client properties
Vtag support is on a client basis, meaning not every client
supports it. The vtag capability is communicated via the client properties
structure during client enumeration process.
Export the propertiy via sysfs.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200818115147.2567012-4-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/bus.c')
| -rw-r--r-- | drivers/misc/mei/bus.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index a6dfc3ce1db2..2e7ac53a4152 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -810,6 +810,16 @@ static ssize_t fixed_show(struct device *dev, struct device_attribute *a, } static DEVICE_ATTR_RO(fixed); +static ssize_t vtag_show(struct device *dev, struct device_attribute *a, + char *buf) +{ + struct mei_cl_device *cldev = to_mei_cl_device(dev); + bool vt = mei_me_cl_vt(cldev->me_cl); + + return sprintf(buf, "%d", vt); +} +static DEVICE_ATTR_RO(vtag); + static ssize_t max_len_show(struct device *dev, struct device_attribute *a, char *buf) { @@ -827,6 +837,7 @@ static struct attribute *mei_cldev_attrs[] = { &dev_attr_modalias.attr, &dev_attr_max_conn.attr, &dev_attr_fixed.attr, + &dev_attr_vtag.attr, &dev_attr_max_len.attr, NULL, }; |