于 2014年02月27日 16:51, Philippe De Muyter 写道: > - clk_disable_unprepare(spi_imx->clk_ipg); > - clk_disable_unprepare(spi_imx->clk_per); yes. we do not need to disable the clocks, but we'd better to unprepare these two clocks. thanks Huang Shijie -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html