diff options
| author |   Vitor Soares <Vitor.Soares@synopsys.com> | 2019-07-19 15:30:54 +0200 |
|---|---|---|
| committer |   Boris Brezillon <boris.brezillon@collabora.com> | 2019-07-27 11:22:19 +0200 |
| commit | 934d24a5e1508e73c0001afb54a3916e4270428f (patch) | |
| tree | 6d0ea86ce4114ad395d6d4cf7d3e9c62938e9310 /drivers/i3c/master.c | |
| parent | Linus 5.3-rc1 (diff) | |
| download | linux-dev-934d24a5e1508e73c0001afb54a3916e4270428f.tar.xz linux-dev-934d24a5e1508e73c0001afb54a3916e4270428f.zip | |
i3c: move i3c_device_match_id to device.c and export it
Some I3C device drivers need to know which entry matches the
i3c_device object passed to the probe function
Let's move i3c_device_match_id() to device.c and export it so it can be
used by drivers.
Signed-off-by: Vitor Soares <vitor.soares@synopsys.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Diffstat (limited to 'drivers/i3c/master.c')
| -rw-r--r-- | drivers/i3c/master.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index d6f8b038a896..c58729081899 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -276,51 +276,6 @@ static const struct device_type i3c_device_type = { .uevent = i3c_device_uevent, }; -static const struct i3c_device_id * -i3c_device_match_id(struct i3c_device *i3cdev, - const struct i3c_device_id *id_table) -{ - struct i3c_device_info devinfo; - const struct i3c_device_id *id; - - i3c_device_get_info(i3cdev, &devinfo); - - /* - * The lower 32bits of the provisional ID is just filled with a random - * value, try to match using DCR info. - */ - if (!I3C_PID_RND_LOWER_32BITS(devinfo.pid)) { - u16 manuf = I3C_PID_MANUF_ID(devinfo.pid); - u16 part = I3C_PID_PART_ID(devinfo.pid); - u16 ext_info = I3C_PID_EXTRA_INFO(devinfo.pid); - - /* First try to match by manufacturer/part ID. */ - for (id = id_table; id->match_flags != 0; id++) { - if ((id->match_flags & I3C_MATCH_MANUF_AND_PART) != - I3C_MATCH_MANUF_AND_PART) - continue; - - if (manuf != id->manuf_id || part != id->part_id) - continue; - - if ((id->match_flags & I3C_MATCH_EXTRA_INFO) && - ext_info != id->extra_info) - continue; - - return id; - } - } - - /* Fallback to DCR match. */ - for (id = id_table; id->match_flags != 0; id++) { - if ((id->match_flags & I3C_MATCH_DCR) && - id->dcr == devinfo.dcr) - return id; - } - - return NULL; -} - static int i3c_device_match(struct device *dev, struct device_driver *drv) { struct i3c_device *i3cdev; |