diff options
| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-04-17 18:16:02 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-30 23:08:08 +0200 |
| commit | cc25aa94e43779b86300c443acb6947dd739fdd1 (patch) | |
| tree | 7a50d6328f942183fcaa908d8c3510fd944175e6 /drivers/misc/mei/hbm.c | |
| parent | mei: do not pin module if cldrv->probe() failed (diff) | |
| download | linux-cc25aa94e43779b86300c443acb6947dd739fdd1.tar.xz linux-cc25aa94e43779b86300c443acb6947dd739fdd1.zip | |
mei: drop global me_client_index
Global me_client_index is used only during the enumeration process and
can be effectively replaced by me_addr data from the last enumeration
response as we always enumerate clients in the increasing order.
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/hbm.c')
| -rw-r--r-- | drivers/misc/mei/hbm.c | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c index 5e305d2605f3..5eaa4638e824 100644 --- a/drivers/misc/mei/hbm.c +++ b/drivers/misc/mei/hbm.c @@ -113,8 +113,6 @@ void mei_hbm_idle(struct mei_device *dev) */ void mei_hbm_reset(struct mei_device *dev) { - dev->me_client_index = 0; - mei_me_cl_rm_all(dev); mei_hbm_idle(dev); @@ -530,24 +528,22 @@ static void mei_hbm_cl_notify(struct mei_device *dev, * mei_hbm_prop_req - request property for a single client * * @dev: the device structure + * @start_idx: client index to start search * * Return: 0 on success and < 0 on failure */ - -static int mei_hbm_prop_req(struct mei_device *dev) +static int mei_hbm_prop_req(struct mei_device *dev, unsigned long start_idx) { - struct mei_msg_hdr *mei_hdr = &dev->wr_msg.hdr; struct hbm_props_request *prop_req; const size_t len = sizeof(struct hbm_props_request); - unsigned long next_client_index; + unsigned long addr; int ret; - next_client_index = find_next_bit(dev->me_clients_map, MEI_CLIENTS_MAX, - dev->me_client_index); + addr = find_next_bit(dev->me_clients_map, MEI_CLIENTS_MAX, start_idx); /* We got all client properties */ - if (next_client_index == MEI_CLIENTS_MAX) { + if (addr == MEI_CLIENTS_MAX) { dev->hbm_state = MEI_HBM_STARTED; mei_host_client_init(dev); @@ -560,7 +556,7 @@ static int mei_hbm_prop_req(struct mei_device *dev) memset(prop_req, 0, sizeof(struct hbm_props_request)); prop_req->hbm_cmd = HOST_CLIENT_PROPERTIES_REQ_CMD; - prop_req->me_addr = next_client_index; + prop_req->me_addr = addr; ret = mei_write_message(dev, mei_hdr, dev->wr_msg.data); if (ret) { @@ -570,7 +566,6 @@ static int mei_hbm_prop_req(struct mei_device *dev) } dev->init_clients_timer = MEI_CLIENTS_INIT_TIMEOUT; - dev->me_client_index = next_client_index; return 0; } @@ -1152,10 +1147,8 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) mei_hbm_me_cl_add(dev, props_res); - dev->me_client_index++; - /* request property for the next client */ - if (mei_hbm_prop_req(dev)) + if (mei_hbm_prop_req(dev, props_res->me_addr + 1)) return -EIO; break; @@ -1181,7 +1174,7 @@ int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr) dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES; /* first property request */ - if (mei_hbm_prop_req(dev)) + if (mei_hbm_prop_req(dev, 0)) return -EIO; break; |