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uart5如何关闭流控制



static struct pinmux_config uart5_pin_mux[]={
    //uart5
    {"lcd_data9.uart5_rxd", OMAP_MUX_MODE4 | AM33XX_PIN_INPUT_PULLUP},
    {"lcd_data8.uart5_txd", OMAP_MUX_MODE4 |AM33XX_PULL_ENBL},
    {NULL, 0},
};

除了两个传输脚,如果用不上cts和rts,是否需要额外配置才能关闭流控制?

如果需要,请问应该修改哪里?