:orphan: .. title:: CONFIG_UART_NS16550_ACCESS_WORD_ONLY .. kconfig:: CONFIG_UART_NS16550_ACCESS_WORD_ONLY CONFIG_UART_NS16550_ACCESS_WORD_ONLY #################################### *NS16550 only allows word access* Type: ``bool`` Help ==== .. code-block:: none In some case, e.g. ARC HS Development kit, the peripheral space of ns 16550 (DesignWare UART) only allows word access, byte access will raise exception. Direct dependencies =================== (\ :kconfig:`UART_NS16550 ` && \ :kconfig:`SOC_ARC_HSDK `) || (\ :kconfig:`UART_NS16550 ` && \ :kconfig:`SOC_ARC_HSDK `) || (\ :kconfig:`UART_NS16550 ` && \ :kconfig:`SERIAL `) *(Includes any dependencies from ifs and menus.)* Defaults ======== - y - y Kconfig definitions =================== At ``/arc/snps_arc_hsdk/Kconfig.defconfig:46`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``/kconfig/Kconfig.soc.defconfig:1`` Menu path: (Top) .. code-block:: kconfig config UART_NS16550_ACCESS_WORD_ONLY bool default y depends on UART_NS16550 && SOC_ARC_HSDK ---- At ``/arc/snps_arc_hsdk/Kconfig.defconfig:46`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` Menu path: (Top) .. code-block:: kconfig config UART_NS16550_ACCESS_WORD_ONLY bool default y depends on UART_NS16550 && SOC_ARC_HSDK ---- At ``/serial/Kconfig.ns16550:37`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:42`` → ``/Kconfig:26`` → ``/serial/Kconfig:90`` Menu path: (Top) → Device Drivers → Serial Drivers → NS16550 serial driver .. code-block:: kconfig config UART_NS16550_ACCESS_WORD_ONLY bool "NS16550 only allows word access" depends on UART_NS16550 && SERIAL help In some case, e.g. ARC HS Development kit, the peripheral space of ns 16550 (DesignWare UART) only allows word access, byte access will raise exception. *(The 'depends on' condition includes propagated dependencies from ifs and menus.)*