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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2014-05-13 02:30:53 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-28 01:16:38 +0400 |
| commit | 8d929d4862fdfc4a524fd4c799b8dfa3b187fe8c (patch) | |
| tree | 566696826999ee88f5901825803c6740d2c3180a /drivers/misc/mei/init.c | |
| parent | c40765d919d25d2d44d99c4ce39e48808f137e1e (diff) | |
| download | linux-8d929d4862fdfc4a524fd4c799b8dfa3b187fe8c.tar.xz | |
mei: add per device configuration
Add mei_cfg structure that holds per device configuration
data and hooks, as the first step we add firmware
status register offsets
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/init.c')
| -rw-r--r-- | drivers/misc/mei/init.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 510f378b1f06..006929222481 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -330,7 +330,28 @@ bool mei_write_is_idle(struct mei_device *dev) } EXPORT_SYMBOL_GPL(mei_write_is_idle); -void mei_device_init(struct mei_device *dev) +int mei_fw_status(struct mei_device *dev, struct mei_fw_status *fw_status) +{ + int i; + const struct mei_fw_status *fw_src = &dev->cfg->fw_status; + + if (!fw_status) + return -EINVAL; + + fw_status->count = fw_src->count; + for (i = 0; i < fw_src->count && i < MEI_FW_STATUS_MAX; i++) { + int ret; + ret = pci_read_config_dword(dev->pdev, + fw_src->status[i], &fw_status->status[i]); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mei_fw_status); + +void mei_device_init(struct mei_device *dev, const struct mei_cfg *cfg) { /* setup our list array */ INIT_LIST_HEAD(&dev->file_list); @@ -368,6 +389,7 @@ void mei_device_init(struct mei_device *dev) bitmap_set(dev->host_clients_map, 0, 1); dev->pg_event = MEI_PG_EVENT_IDLE; + dev->cfg = cfg; } EXPORT_SYMBOL_GPL(mei_device_init); |