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dm: Rename DM_GET_DEVICE() to DM_DRVINFO_GET()

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This does not get a device (struct udevice *) but a struct driver_info *
so the name is confusing.

Rename it accordingly. Since we plan to have several various of these
macros, put GET at the end instead of the middle, so it is easier to spot
the related macros.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-12-28 20:34:55 -07:00
parent 20e442ab2d
commit 8629d30a32
3 changed files with 6 additions and 10 deletions
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2
doc/driver-model/of-plat.rst
View file

@ -339,7 +339,7 @@ prevents them being used inadvertently. All usage must be bracketed with
The dt-plat.c file contains the device declarations and is is built in
spl/dt-plat.c. It additionally contains the definition of
dm_populate_phandle_data() which is responsible of filling the phandle
information by adding references to U_BOOT_DRVINFO by using DM_GET_DEVICE
information by adding references to U_BOOT_DRVINFO by using DM_DRVINFO_GET
The pylibfdt Python module is used to access the devicetree.

10
include/dm/platdata.h
View file

@ -74,27 +74,23 @@ struct driver_rt {
/**
* Get a pointer to a given device info given its name
*
* With the declaration U_BOOT_DRVINFO(name), DM_GET_DEVICE(name) will return a
* With the declaration U_BOOT_DRVINFO(name), DM_DRVINFO_GET(name) will return a
* pointer to the struct driver_info created by that declaration.
*
* if OF_PLATDATA is enabled, from this it is possible to use the @dev member of
* struct driver_info to find the device pointer itself.
*
* TODO(sjg@chromium.org): U_BOOT_DRVINFO() tells U-Boot to create a device, so
* the naming seems sensible, but DM_GET_DEVICE() is a bit of misnomer, since it
* finds the driver_info record, not the device.
*
* @__name: Driver name (C identifier, not a string. E.g. gpio7_at_ff7e0000)
* @return struct driver_info * to the driver that created the device
*/
#define DM_GET_DEVICE(__name) \
#define DM_DRVINFO_GET(__name) \
ll_entry_get(struct driver_info, __name, driver_info)
/**
* dm_populate_phandle_data() - Populates phandle data in platda
*
* This populates phandle data with an U_BOOT_DRVINFO entry get by
* DM_GET_DEVICE. The implementation of this function will be done
* DM_DRVINFO_GET. The implementation of this function will be done
* by dtoc when parsing dtb.
*/
void dm_populate_phandle_data(void);

4
tools/dtoc/dtb_platdata.py
View file

@ -811,8 +811,8 @@ class DtbPlatdata():
nodes_to_output.remove(node)
# Define dm_populate_phandle_data() which will add the linking between
# nodes using DM_GET_DEVICE
# dtv_dmc_at_xxx.clocks[0].node = DM_GET_DEVICE(clock_controller_at_xxx)
# nodes using DM_DRVINFO_GET
# dtv_dmc_at_xxx.clocks[0].node = DM_DRVINFO_GET(clock_controller_at_xxx)
self.buf('void dm_populate_phandle_data(void) {\n')
self.buf('}\n')