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authorSimon Glass <sjg@chromium.org>2019-12-29 21:19:20 -0700
committerSimon Glass <sjg@chromium.org>2020-01-07 16:02:38 -0700
commitbcd90cb6928414e14942c01af374863d4049a25d (patch)
treea723be66a27d3376b82553841b38a969cc766b5e /drivers/core/device.c
parent04e19ffded40d97502961485a3ce7db6f3d590be (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.c29
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);