diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2013-03-11 18:27:03 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-03-15 11:10:49 -0700 |
| commit | aafae7ecd80181983403de13db0b4895acdc233d (patch) | |
| tree | d806144f3b33681fca6f7944f96c9d1aba2dd63e /drivers/misc/mei/init.c | |
| parent | c8c8d080ed94cea6757f2d781b6e360a74b256fd (diff) | |
| download | linux-aafae7ecd80181983403de13db0b4895acdc233d.tar.gz | |
mei: add hw start callback
This callback wraps up hardware dependent details of the hardware initialization. This callback also contains host ready setting so we can remove host_set_ready callback In ME we switch to waiting on event so we can streamline the initialization flow. 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 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index 6ec530168afb..fc3d97ce8300 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -22,6 +22,7 @@ #include <linux/mei.h> #include "mei_dev.h" +#include "hbm.h" #include "client.h" const char *mei_dev_state_str(int state) @@ -47,6 +48,7 @@ void mei_device_init(struct mei_device *dev) /* setup our list array */ INIT_LIST_HEAD(&dev->file_list); mutex_init(&dev->device_lock); + init_waitqueue_head(&dev->wait_hw_ready); init_waitqueue_head(&dev->wait_recvd_msg); init_waitqueue_head(&dev->wait_stop_wd); dev->dev_state = MEI_DEV_INITIALIZING; @@ -176,6 +178,20 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled) dev_warn(&dev->pdev->dev, "unexpected reset: dev_state = %s\n", mei_dev_state_str(dev->dev_state)); + if (!interrupts_enabled) { + dev_dbg(&dev->pdev->dev, "intr not enabled end of reset\n"); + return; + } + + mei_hw_start(dev); + + dev_dbg(&dev->pdev->dev, "link is established start sending messages.\n"); + /* link is established * start sending messages. */ + + dev->dev_state = MEI_DEV_INIT_CLIENTS; + + mei_hbm_start_req(dev); + /* wake up all readings so they can be interrupted */ mei_cl_all_read_wakeup(dev); |