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mei: enable to set the internal flag for client write

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Prepare the client write functions to set the internal flag in message
header. Carry both blocking and internal modes inside the transmit cb,
and call internal bus function  __mei_cl_send() with send mode bit mask.
The Internal flag should be added only on messages generated by the
driver.

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>
This commit is contained in:
Alexander Usyskin
2016-11-08 18:26:08 +02:00
committed by Greg Kroah-Hartman
parent fe948dcb2c
commit e0cb6b2f87
7 changed files with 28 additions and 12 deletions
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10
drivers/misc/mei/bus.c
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@@ -36,12 +36,12 @@
* @cl: host client
* @buf: buffer to send
* @length: buffer length
* @blocking: wait for write completion
* @mode: sending mode
*
* Return: written size bytes or < 0 on error
*/
ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
bool blocking)
unsigned int mode)
{
struct mei_device *bus;
struct mei_cl_cb *cb;
@@ -80,9 +80,11 @@ ssize_t __mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length,
goto out;
}
cb->internal = !!(mode & MEI_CL_IO_TX_INTERNAL);
cb->blocking = !!(mode & MEI_CL_IO_TX_BLOCKING);
memcpy(cb->buf.data, buf, length);
rets = mei_cl_write(cl, cb, blocking);
rets = mei_cl_write(cl, cb);
out:
mutex_unlock(&bus->device_lock);
@@ -188,7 +190,7 @@ ssize_t mei_cldev_send(struct mei_cl_device *cldev, u8 *buf, size_t length)
if (cl == NULL)
return -ENODEV;
return __mei_cl_send(cl, buf, length, 1);
return __mei_cl_send(cl, buf, length, MEI_CL_IO_TX_BLOCKING);
}
EXPORT_SYMBOL_GPL(mei_cldev_send);