这里会显示出您选择的修订版和当前版本之间的差别。
jaysnote:platform [2019/04/29 15:33] jaylee 创建 |
jaysnote:platform [2019/04/29 15:51] jaylee |
||
---|---|---|---|
行 65: | 行 65: | ||
``` | ``` | ||
- | The general rule is to register only those devices that actually exist, | + | The general rule is to register only those devices that actually exist, but in some cases extra devices might be registered. |
- | but in some cases extra devices might be registered. | + | |
In some cases, boot firmware will export tables describing the devices that are populated on a given board. | In some cases, boot firmware will export tables describing the devices that are populated on a given board. | ||
行 80: | 行 79: | ||
The only " | The only " | ||
- | This style of driver is discouraged. | + | This style of driver is discouraged. |
- | please try to move the device enumeration to a more appropriate location, | + | |
- | outside the driver. | + | |
None the less, there are some APIs to support such legacy drivers. | None the less, there are some APIs to support such legacy drivers. | ||
行 114: | 行 111: | ||
``` | ``` | ||
- | These are concatenated, | + | These are concatenated, |
- | " | + | |
and use the platform_driver called " | and use the platform_driver called " | ||