diff --git a/Documentation/guides/drivers.rst b/Documentation/guides/drivers.rst index 4ff167fef83..fbf54642635 100644 --- a/Documentation/guides/drivers.rst +++ b/Documentation/guides/drivers.rst @@ -149,7 +149,7 @@ NuttX Drivers as a Reference If you're not porting a NuttX driver from another architecture, it still helps to look at other similar NuttX drivers, if there are any. For instance, when implementing an Ethernet driver, look at other NuttX Ethernet drivers; -for an SD Card driver, look at other NuttX Ethernet drivers. Even if the chip-specific code won't be the same, the +for an SD Card driver, look at other NuttX SD Card drivers. Even if the chip-specific code won't be the same, the structure to interface with NuttX can be used. Using Chip Datasheets diff --git a/Documentation/platforms/arm/imxrt/index.rst b/Documentation/platforms/arm/imxrt/index.rst index ab39387dcd8..6a0f9b3d4ba 100644 --- a/Documentation/platforms/arm/imxrt/index.rst +++ b/Documentation/platforms/arm/imxrt/index.rst @@ -5,7 +5,7 @@ i.MX RT The i.MX RT series of chips from NXP Semiconductors is based around an ARM Cortex-M7 core running at 500 MHz, 600 MHz or 1 GHz based on particular MCUs -Suported MCUs +Supported MCUs ============= The following list includes MCUs from i.MX RT series and indicates whether they are supported in NuttX diff --git a/Documentation/platforms/xtensa/esp32/index.rst b/Documentation/platforms/xtensa/esp32/index.rst index 61244304f16..c47ab0c05ea 100644 --- a/Documentation/platforms/xtensa/esp32/index.rst +++ b/Documentation/platforms/xtensa/esp32/index.rst @@ -699,9 +699,8 @@ Things to Do 2. Currently the Xtensa port copies register state save information from the stack into the TCB. A more efficient alternative would be to just save a pointer to a register state save area in the TCB. This would - add some complexity to signal handling and also also the - up_initialstate(). But the performance improvement might be worth - the effort. + add some complexity to signal handling and also to up_initialstate(). + But the performance improvement might be worth the effort. 3. See SMP-related issues above diff --git a/Documentation/reference/os/index.rst b/Documentation/reference/os/index.rst index c3bfdf6dbdf..65f822bc85c 100644 --- a/Documentation/reference/os/index.rst +++ b/Documentation/reference/os/index.rst @@ -5,7 +5,7 @@ Architecture APIs The file ``include/nuttx/arch.h`` identifies by prototype all of the APIs that must be provided by the architecture specific logic. The internal OS APIs that architecture-specific logic must -interface with also also identified in ``include/nuttx/arch.h`` or +interface with are also identified in ``include/nuttx/arch.h`` or in other header files. .. toctree::