diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2012-06-25 23:46:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-26 15:59:44 -0700 |
| commit | 24aadc809f270857743e62d0882865fb3ba195d9 (patch) | |
| tree | 5df3ea0a48d63ccee9ad702deb35b7c1aaa52ba4 /drivers/misc/mei/init.c | |
| parent | 21c66d1be7c586b56c2902ada4ba030a12b00063 (diff) | |
mei: don't query HCSR for host buffer depth
1. We record host (write) buffer depth during reset
so we don't need to query HCSR register later on.
The host buffer depth doesn't change after the reset
2. Use mei_hbuf_max_data function to compute payload size in bytes
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 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index a7d0bb0880e..d39b2774535 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -162,6 +162,9 @@ int mei_hw_init(struct mei_device *dev) if ((dev->host_hw_state & H_IS) == H_IS) mei_reg_write(dev, H_CSR, dev->host_hw_state); + /* Doesn't change in runtime */ + dev->hbuf_depth = (dev->host_hw_state & H_CBD) >> 24; + dev->recvd_msg = false; dev_dbg(&dev->pdev->dev, "reset in start the mei device.\n"); |