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ithink.chan 2019-07-04 19:08:06 +08:00
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Software/OperatingSystem/Linux/Development/KernelDriver/Linux_SPI_设备驱动开发_x86平台.md Normal file
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# Linux SPI 设备驱动开发（x86平台）
## Platform
arch->x86->platform 下创建 board 文件。
## Match
spi_register_board_info <------------------------+
|
pxa2xx_spi_probe |
devm_spi_register_controller |
spi_register_controller |
spi_match_controller_to_boardinfo <--+
bus_num 必须一致才会执行 spi_new_device()