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| author | Tomas Winkler <tomas.winkler@intel.com> | 2018-07-23 13:21:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-24 14:16:57 +0200 |
| commit | a1c4d08b6b95a0e296285ee53cc1438b3f168f98 (patch) | |
| tree | e1821fb291409d88c6d8cb2cd8b5f12ab0d0ca6e /drivers/misc | |
| parent | 8c8d964ce90f16877b76c3f00b27165bf865af69 (diff) | |
| download | linux-stable-a1c4d08b6b95a0e296285ee53cc1438b3f168f98.tar.gz linux-stable-a1c4d08b6b95a0e296285ee53cc1438b3f168f98.tar.bz2 linux-stable-a1c4d08b6b95a0e296285ee53cc1438b3f168f98.zip | |
mei: add mei_msg_hdr_init wrapper.
Wrap the mei header boilerplate initialization code in
mei_msg_hdr_init function. On the way remove 'completed'
field from mei_cl_cb structure as this information
is already included in the header and is local to particular
fragment.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/mei/client.c | 33 | ||||
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 2 |
2 files changed, 20 insertions, 15 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index ca917b84ca5e..207d2f5d5702 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -1540,6 +1540,22 @@ nortpm: } /** + * mei_msg_hdr_init - initialize mei message header + * + * @mei_hdr: mei message header + * @cb: message callback structure + */ +static void mei_msg_hdr_init(struct mei_msg_hdr *mei_hdr, struct mei_cl_cb *cb) +{ + mei_hdr->host_addr = mei_cl_host_addr(cb->cl); + mei_hdr->me_addr = mei_cl_me_id(cb->cl); + mei_hdr->length = 0; + mei_hdr->reserved = 0; + mei_hdr->msg_complete = 0; + mei_hdr->internal = cb->internal; +} + +/** * mei_cl_irq_write - write a message to device * from the interrupt thread context * @@ -1579,12 +1595,6 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, return 0; } - mei_hdr.host_addr = mei_cl_host_addr(cl); - mei_hdr.me_addr = mei_cl_me_id(cl); - mei_hdr.reserved = 0; - mei_hdr.msg_complete = 0; - mei_hdr.internal = cb->internal; - len = buf->size - cb->buf_idx; hbuf_slots = mei_hbuf_empty_slots(dev); if (hbuf_slots < 0) { @@ -1593,6 +1603,8 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, } hbuf_len = mei_slots2data(hbuf_slots) - sizeof(struct mei_msg_hdr); + mei_msg_hdr_init(&mei_hdr, cb); + /** * Split the message only if we can write the whole host buffer * otherwise wait for next time the host buffer is empty. @@ -1616,7 +1628,6 @@ int mei_cl_irq_write(struct mei_cl *cl, struct mei_cl_cb *cb, cl->status = 0; cl->writing_state = MEI_WRITING; cb->buf_idx += mei_hdr.length; - cb->completed = mei_hdr.msg_complete == 1; if (first_chunk) { if (mei_cl_tx_flow_ctrl_creds_reduce(cl)) { @@ -1680,16 +1691,13 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) cb->buf_idx = 0; cl->writing_state = MEI_IDLE; - mei_hdr.host_addr = mei_cl_host_addr(cl); - mei_hdr.me_addr = mei_cl_me_id(cl); - mei_hdr.reserved = 0; - mei_hdr.msg_complete = 0; - mei_hdr.internal = cb->internal; rets = mei_cl_tx_flow_ctrl_creds(cl); if (rets < 0) goto err; + mei_msg_hdr_init(&mei_hdr, cb); + if (rets == 0) { cl_dbg(dev, cl, "No flow control credentials: not sending.\n"); rets = len; @@ -1726,7 +1734,6 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb) cl->writing_state = MEI_WRITING; cb->buf_idx = mei_hdr.length; - cb->completed = mei_hdr.msg_complete == 1; out: if (mei_hdr.msg_complete) diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index fa543dcfc111..e9f37085a628 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -175,7 +175,6 @@ struct mei_cl; * @status: io status of the cb * @internal: communication between driver and FW flag * @blocking: transmission blocking mode - * @completed: the transfer or reception has completed */ struct mei_cl_cb { struct list_head list; @@ -187,7 +186,6 @@ struct mei_cl_cb { int status; u32 internal:1; u32 blocking:1; - u32 completed:1; }; /** |