diff options
author | Tomas Winkler <tomas.winkler@intel.com> | 2015-02-10 09:39:43 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-02 04:37:00 +0100 |
commit | bca67d681c4864b74fa5fae9ee47e562d1e272b1 (patch) | |
tree | 1538db82496b44cc2f7343714ed4a949311f1815 /drivers/misc/mei/bus.c | |
parent | mei: use only one buffer in callback (diff) | |
download | linux-bca67d681c4864b74fa5fae9ee47e562d1e272b1.tar.xz linux-bca67d681c4864b74fa5fae9ee47e562d1e272b1.zip |
mei: always initialize the callback with the intended operation type
We set the operation type at initialization time as each cb is used only
for a single type of operation
As a byproduct we add a convenient wrapper for allocating cb with
the data buffer.
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/bus.c')
-rw-r--r-- | drivers/misc/mei/bus.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 36b949a0fddb..3e6ffed9402a 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -255,16 +255,12 @@ static ssize_t ___mei_cl_send(struct mei_cl *cl, u8 *buf, size_t length, goto out; } - cb = mei_io_cb_init(cl, NULL); + cb = mei_cl_alloc_cb(cl, length, MEI_FOP_WRITE, NULL); if (!cb) { rets = -ENOMEM; goto out; } - rets = mei_io_cb_alloc_buf(cb, length); - if (rets < 0) - goto out; - memcpy(cb->buf.data, buf, length); rets = mei_cl_write(cl, cb, blocking); @@ -293,7 +289,7 @@ ssize_t __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length) mutex_lock(&dev->device_lock); if (!cl->read_cb) { - rets = mei_cl_read_start(cl, length); + rets = mei_cl_read_start(cl, length, NULL); if (rets < 0) goto out; } @@ -392,7 +388,7 @@ static void mei_bus_event_work(struct work_struct *work) device->events = 0; /* Prepare for the next read */ - mei_cl_read_start(device->cl, 0); + mei_cl_read_start(device->cl, 0, NULL); } int mei_cl_register_event_cb(struct mei_cl_device *device, @@ -406,7 +402,7 @@ int mei_cl_register_event_cb(struct mei_cl_device *device, device->event_context = context; INIT_WORK(&device->event_work, mei_bus_event_work); - mei_cl_read_start(device->cl, 0); + mei_cl_read_start(device->cl, 0, NULL); return 0; } @@ -448,7 +444,7 @@ int mei_cl_enable_device(struct mei_cl_device *device) mutex_unlock(&dev->device_lock); if (device->event_cb && !cl->read_cb) - mei_cl_read_start(device->cl, 0); + mei_cl_read_start(device->cl, 0, NULL); if (!device->ops || !device->ops->enable) return 0; |