diff --git a/Software/OperatingSystem/Linux/Development/KernelDriver/Linux_SPI_设备驱动开发_x86平台.md b/Software/OperatingSystem/Linux/Development/KernelDriver/Linux_SPI_设备驱动开发_x86平台.md
index 7d3d206..753f4c1 100644
--- a/Software/OperatingSystem/Linux/Development/KernelDriver/Linux_SPI_设备驱动开发_x86平台.md
+++ b/Software/OperatingSystem/Linux/Development/KernelDriver/Linux_SPI_设备驱动开发_x86平台.md
@@ -13,3 +13,5 @@ pxa2xx_spi_probe                                 |
         spi_register_controller                  |
             spi_match_controller_to_boardinfo <--+
                 bus_num 必须一致才会执行 spi_new_device()
+
+补充 spidev [参考](https://blog.csdn.net/kunkliu/article/details/77966311)