arch/: Trivial typos, mostly "their is" to "there is"

arch/README.txt

@@ -45,8 +45,8 @@ Directory Structure
 
 The arch/ directory contains architecture-specific logic.  The complete
 board port is defined by the architecture-specific code in this
-directory plus the board-specific configurations in the config/
-subdirectory.  Each architecture must provide a subdirectory <arch-name>
+directory plus the board-specific configurations in the boards/
+directory.  Each architecture must provide a subdirectory <arch-name>
 under arch/ with the following characteristics:
 
 
@@ -110,7 +110,7 @@ include/irq.h
 
   - irqstate_t up_irq_save(void) -- Used to disable all interrupts.
 
-  - void upirq_restore(irqstate_t flags) -- Used to restore interrupt
+  - void up_irq_restore(irqstate_t flags) -- Used to restore interrupt
     enables to the same state as before up_irq_save was called.
 
   NOTE: These interfaces are not available to application code but can

arch/arm/src/common/arm_idle.c

@@ -50,7 +50,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/cxd56xx/cxd56_idle.c

@@ -157,7 +157,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/efm32/efm32_idle.c

@@ -165,7 +165,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/eoss3/eoss3_idle.c

@@ -50,7 +50,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/imx6/imx_idle.c

@@ -35,7 +35,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/imxrt/imxrt_idle.c

@@ -154,7 +154,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/kinetis/kinetis_idle.c

@@ -77,7 +77,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/kl/kl_idle.c

@@ -158,7 +158,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/lc823450/lc823450_idle.c

@@ -51,7 +51,7 @@ static uint32_t g_idle_counter[2];
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/lpc17xx_40xx/lpc17_40_idle.c

@@ -78,7 +78,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/lpc43xx/lpc43_idle.c

@@ -153,7 +153,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/lpc54xx/lpc54_idle.c

@@ -153,7 +153,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/max326xx/common/max326_idle.c

@@ -153,7 +153,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/moxart/moxart_idle.c

@@ -65,7 +65,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/nrf52/nrf52_idle.c

@@ -153,7 +153,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/nuc1xx/nuc_idle.c

@@ -154,7 +154,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/s32k1xx/s32k1xx_idle.c

@@ -67,7 +67,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/sam34/sam4cm_cpuidlestack.c

@@ -56,7 +56,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/sam34/sam4cm_idle.c

@@ -50,7 +50,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/samd2l2/sam_idle.c

@@ -154,7 +154,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/samd5e5/sam_idle.c

@@ -153,7 +153,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/stm32/stm32_idle.c

@@ -156,7 +156,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *
@@ -187,9 +187,9 @@ void up_idle(void)
    * "2.17.11 Ethernet DMA not working after WFI/WFE instruction
    *  Description
    *  If a WFI/WFE instruction is executed to put the system in sleep mode
-   *    while the Ethernet MAC master clock on the AHB bus matrix is ON and all
-   *    remaining masters clocks are OFF, the Ethernet DMA will be not able to
-   *    perform any AHB master accesses during sleep mode."
+   *    while the Ethernet MAC master clock on the AHB bus matrix is ON and
+   *    all remaining masters clocks are OFF, the Ethernet DMA will be not
+   *    able to perform any AHB master accesses during sleep mode."
    *
    *  Workaround
    *    Enable DMA1 or DMA2 clocks in the RCC_AHBENR register before

arch/arm/src/stm32f0l0g0/stm32_idle.c

@@ -69,7 +69,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/stm32l4/stm32l4_idle.c

@@ -174,7 +174,7 @@ static void up_idlepm(void)
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/tiva/common/tiva_idle.c

@@ -35,7 +35,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/arm/src/xmc4/xmc4_idle.c

@@ -77,7 +77,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/avr/src/common/up_idle.c

@@ -62,7 +62,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their
+ *   up_idle() is the logic that will be executed when there
  *   is no other ready-to-run task.  This is processor idle
  *   time and will continue until some interrupt occurs to
  *   cause a context switch from the idle task.

arch/hc/src/common/up_idle.c

@@ -62,7 +62,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/mips/src/common/mips_idle.c

@@ -51,7 +51,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/misoc/src/minerva/minerva_idle.c

@@ -52,7 +52,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *
@@ -76,12 +76,12 @@ void up_idle(void)
    *
    * This is a kludge that I still don't understand.  The call to
    * kmm_trysemaphore() in the nx_start.c IDLE loop seems necessary for the
-   * good health of the IDLE loop.  When the work queue is enabled, this logic
+   * good health of the IDLE loop. When the work queue is enabled, this logic
    * is removed from the IDLE loop and it appears that we are somehow left
-   * idling with interrupts non- functional. The following should be no-op, it
-   * just disables then re-enables interrupts.  But it fixes the problem and
-   * will stay here until I understand the problem/fix better. And no, the
-   * contents of the CP0 status register are not incorrect.  But for some
+   * idling with interrupts non- functional. The following should be no-op,
+   * it just disables then re-enables interrupts.  But it fixes the problem
+   * and will stay here until I understand the problem/fix better. And no,
+   * the contents of the CP0 status register are not incorrect.  But for some
    * reason the status register needs to be re-written again on this thread
    * for it to take effect.
    */

arch/or1k/src/common/up_idle.c

@@ -50,7 +50,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/risc-v/src/common/riscv_idle.c

@@ -51,7 +51,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/risc-v/src/fe310/fe310_idle.c

@@ -55,7 +55,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/risc-v/src/gap8/gap8_idle.c

@@ -51,7 +51,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/risc-v/src/k210/k210_idle.c

@@ -53,7 +53,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/risc-v/src/litex/litex_idle.c

@@ -38,7 +38,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/sim/src/sim/up_idle.c

@@ -59,7 +59,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their
+ *   up_idle() is the logic that will be executed when there
  *   is no other ready-to-run task.  This is processor idle
  *   time and will continue until some interrupt occurs to
  *   cause a context switch from the idle task.

arch/x86/src/qemu/qemu_idle.c

@@ -62,7 +62,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/x86_64/src/intel64/intel64_idle.c

@@ -47,7 +47,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

arch/xtensa/src/common/xtensa_idle.c

@@ -51,7 +51,7 @@
  * Name: up_idle
  *
  * Description:
- *   up_idle() is the logic that will be executed when their is no other
+ *   up_idle() is the logic that will be executed when there is no other
  *   ready-to-run task.  This is processor idle time and will continue until
  *   some interrupt occurs to cause a context switch from the idle task.
  *

boards/README.txt

@@ -1,10 +1,8 @@
 Board-Specific Configurations
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-This directory contains the board support for logic for all boards supported
-by NuttX.  This directory is retained in a separate repository and is a Sub-
-Module of NuttX and will appear as nuttx/boards when the NuttX repository
-is cloned.
+This directory contains the board support logic for all boards supported
+by NuttX.
 
 The nuttx/boards directory is a part of the internal OS.  It should contain
 only OS bring-up logic and driver initialization logic.  THERE SHOULD BE NO