diff options
author | Simon Glass <sjg@chromium.org> | 2019-12-29 21:19:20 -0700 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2020-01-07 16:02:38 -0700 |
commit | bcd90cb6928414e14942c01af374863d4049a25d (patch) | |
tree | a723be66a27d3376b82553841b38a969cc766b5e /drivers/core/device.c | |
parent | 04e19ffded40d97502961485a3ce7db6f3d590be (diff) |
dm: core: Export a new function to read platdata
Add a new internal function, device_ofdata_to_platdata() to handle
allocating private space associated with each device and reading the
platform data from the device tree.
Call this new function from device_probe().
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/core/device.c')
-rw-r--r-- | drivers/core/device.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/drivers/core/device.c b/drivers/core/device.c index f0c23053eb..9506c7df8d 100644 --- a/drivers/core/device.c +++ b/drivers/core/device.c @@ -311,12 +311,11 @@ static void *alloc_priv(int size, uint flags) return priv; } -int device_probe(struct udevice *dev) +int device_ofdata_to_platdata(struct udevice *dev) { const struct driver *drv; int size = 0; int ret; - int seq; if (!dev) return -EINVAL; @@ -369,6 +368,32 @@ int device_probe(struct udevice *dev) goto fail; } + return 0; +fail: + device_free(dev); + + return ret; +} + +int device_probe(struct udevice *dev) +{ + const struct driver *drv; + int ret; + int seq; + + if (!dev) + return -EINVAL; + + if (dev->flags & DM_FLAG_ACTIVATED) + return 0; + + drv = dev->driver; + assert(drv); + + ret = device_ofdata_to_platdata(dev); + if (ret) + goto fail; + /* Ensure all parents are probed */ if (dev->parent) { ret = device_probe(dev->parent); |