Addition cleanup after last switch from BASEPRI to PRIMASK for Cortex-M0

arch/arm/src/armv6-m/up_hardfault.c

@@ -90,18 +90,14 @@
 
 int up_hardfault(int irq, FAR void *context)
 {
-#if defined(CONFIG_DEBUG_HARDFAULT) || !defined(CONFIG_ARMV7M_USEBASEPRI)
   uint32_t *regs = (uint32_t*)context;
-#endif
 
   /* Get the value of the program counter where the fault occurred */
 
-#ifndef CONFIG_ARMV7M_USEBASEPRI
   uint16_t *pc = (uint16_t*)regs[REG_PC] - 1;
 
   /* Check if the pc lies in known FLASH memory.
-   * REVISIT:  What if the PC lies in "unknown" external memory?  Best
-   * use the BASEPRI register if you have external memory.
+   * REVISIT:  What if the PC lies in "unknown" external memory?
    */
 
 #ifdef CONFIG_NUTTX_KERNEL
@@ -135,7 +131,6 @@ int up_hardfault(int irq, FAR void *context)
           return up_svcall(irq, context);
         }
     }
-#endif
 
 #if defined(CONFIG_DEBUG_HARDFAULT)
   /* Dump some hard fault info */

arch/arm/src/kl/kl_irq.c

@@ -230,12 +230,6 @@ void up_irqinitialize(void)
   irq_attach(KL_IRQ_SVCALL, up_svcall);
   irq_attach(KL_IRQ_HARDFAULT, up_hardfault);
 
-  /* Set the priority of the SVCall interrupt */
-
-#ifdef CONFIG_ARCH_IRQPRIO
-/* up_prioritize_irq(KL_IRQ_PENDSV, NVIC_SYSH_PRIORITY_MIN); */
-#endif
-
   /* Attach all other processor exceptions (except reset and sys tick) */
 
 #ifdef CONFIG_DEBUG

arch/arm/src/nuc1xx/nuc_irq.c

@@ -230,12 +230,6 @@ void up_irqinitialize(void)
   irq_attach(NUC_IRQ_SVCALL, up_svcall);
   irq_attach(NUC_IRQ_HARDFAULT, up_hardfault);
 
-  /* Set the priority of the SVCall interrupt */
-
-#ifdef CONFIG_ARCH_IRQPRIO
-/* up_prioritize_irq(NUC_IRQ_PENDSV, NVIC_SYSH_PRIORITY_MIN); */
-#endif
-
   /* Attach all other processor exceptions (except reset and sys tick) */
 
 #ifdef CONFIG_DEBUG