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/interrupt.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/interrupt.c')
| -rw-r--r-- | drivers/misc/mei/interrupt.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c index 8e4dd74b96e..4ad6a6bab5a 100644 --- a/drivers/misc/mei/interrupt.c +++ b/drivers/misc/mei/interrupt.c @@ -951,7 +951,7 @@ static int _mei_irq_thread_cmpl(struct mei_device *dev, s32 *slots, list_move_tail(&cb_pos->cb_list, &dev->write_waiting_list.mei_cb.cb_list); } - } else if (*slots == ((dev->host_hw_state & H_CBD) >> 24)) { + } else if (*slots == dev->hbuf_depth) { /* buffer is still empty */ mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0]; mei_hdr->host_addr = cl->host_client_id; @@ -1046,8 +1046,8 @@ static int _mei_irq_thread_cmpl_iamthif(struct mei_device *dev, s32 *slots, &dev->write_waiting_list.mei_cb.cb_list); } - } else if (*slots == ((dev->host_hw_state & H_CBD) >> 24)) { - /* buffer is still empty */ + } else if (*slots == dev->hbuf_depth) { + /* buffer is still empty */ mei_hdr = (struct mei_msg_hdr *) &dev->wr_msg_buf[0]; mei_hdr->host_addr = cl->host_client_id; mei_hdr->me_addr = cl->me_client_id; |