diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2018-07-31 09:35:36 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-02 10:18:30 +0200 |
| commit | c2bd9fc13d0ca1926bfd8b8e6d88f93d84a51f2a (patch) | |
| tree | 929555810f197c6c7b94d018ad28e84500579d05 /drivers/misc/mei/hbm.c | |
| parent | 9d89ddfc624649e200aeec57912635dbe259d07b (diff) | |
mei: restrict dma ring support to hbm version 2.1
Only a firmware with version 2.1 and above supports dma ring feature.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hbm.c')
| -rw-r--r-- | drivers/misc/mei/hbm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index b0086c4aefe4..09e233d4c0de 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -1007,6 +1007,12 @@ static void mei_hbm_config_features(struct mei_device *dev) /* OS ver message Support */ if (dev->version.major_version >= HBM_MAJOR_VERSION_OS) dev->hbm_f_os_supported = 1; + + /* DMA Ring Support */ + if (dev->version.major_version > HBM_MAJOR_VERSION_DR || + (dev->version.major_version == HBM_MAJOR_VERSION_DR && + dev->version.minor_version >= HBM_MINOR_VERSION_DR)) + dev->hbm_f_dr_supported = 1; } /** |