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[DM/FEATURE] Support driver depends fix auto 

We need a API to fix the driver load auto when
a second driver get it in probe process that
we can not be careful of the driver-to-driver's
depends in different SoC.

Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI 2024-10-24 11:56:31 +08:00 committed by Rbb666
parent 1bef42c64c
commit cefe6d6380
3 changed files with 51 additions and 0 deletions
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49
components/drivers/core/platform_ofw.c
View File

@ -17,6 +17,7 @@
#include <drivers/ofw_io.h>
#include <drivers/ofw_fdt.h>
#include <drivers/platform.h>
#include <drivers/core/bus.h>
#include <drivers/core/dm.h>
#include "../ofw/ofw_internal.h"
@ -161,6 +162,7 @@ static rt_err_t platform_ofw_device_probe_once(struct rt_ofw_node *parent_np)
}
pdev->dev_id = ofw_alias_node_id(np);
np->dev = &pdev->parent;
LOG_D("%s register to bus", np->full_name);
rt_platform_device_register(pdev);
@ -199,6 +201,53 @@ rt_err_t rt_platform_ofw_device_probe_child(struct rt_ofw_node *np)
return err;
}
rt_err_t rt_platform_ofw_request(struct rt_ofw_node *np)
{
rt_err_t err;
if (np)
{
struct rt_device *dev = np->dev;
if (dev)
{
/* Was create */
if (dev->drv)
{
/* Was probe OK */
err = RT_EOK;
}
else
{
err = rt_bus_reload_driver_device(dev->bus, dev);
}
}
else
{
struct rt_platform_device *pdev = alloc_ofw_platform_device(np);
if (pdev)
{
pdev->dev_id = ofw_alias_node_id(np);
np->dev = &pdev->parent;
LOG_D("%s register to bus", np->full_name);
err = rt_platform_device_register(pdev);
}
else
{
err = -RT_ENOMEM;
}
}
}
else
{
err = -RT_EINVAL;
}
return err;
}
static int platform_ofw_device_probe(void)
{
rt_err_t err = RT_EOK;

1
components/drivers/include/drivers/ofw.h
View File

@ -37,6 +37,7 @@ struct rt_ofw_node
/* phandles range from 1 to 2^32-2 (0xfffffffe) */
rt_phandle phandle;
struct rt_device *dev;
struct rt_ofw_prop *props;
struct rt_ofw_node *parent;
struct rt_ofw_node *child;

1
components/drivers/include/drivers/platform.h
View File

@ -45,6 +45,7 @@ rt_err_t rt_platform_driver_register(struct rt_platform_driver *pdrv);
rt_err_t rt_platform_device_register(struct rt_platform_device *pdev);
rt_err_t rt_platform_ofw_device_probe_child(struct rt_ofw_node *np);
rt_err_t rt_platform_ofw_request(struct rt_ofw_node *np);
rt_err_t rt_platform_ofw_free(struct rt_platform_device *pdev);
#define RT_PLATFORM_DRIVER_EXPORT(driver) RT_DRIVER_EXPORT(driver, platform, BUILIN)