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dk-tm4c129x: Remove warning for variable that is set but not used.

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This commit is contained in:
Gregory Nutt 2017-03-05 14:17:13 -06:00
parent 51d3e36ad6
commit d303627fe5
1 changed files with 2 additions and 5 deletions
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7
configs/dk-tm4c129x/src/tm4c_buttons.c
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@ -152,13 +152,12 @@ uint8_t board_buttons(void)
#if defined(CONFIG_ARCH_IRQBUTTONS) && defined(CONFIG_TIVA_GPIOP_IRQS)
int board_button_irq(int id, xcpt_t irqhandler, FAR void *arg)
{
static xcpt_t handler = NULL;
irqstate_t flags;
int ret = -EINVAL;
/* Interrupts are supported only on ports P and Q and, hence, only on button SW4 */
if (id >= BUTTON_SW4)
if (id == BUTTON_SW4)
{
/* The following should be atomic */
@ -168,16 +167,14 @@ int board_button_irq(int id, xcpt_t irqhandler, FAR void *arg)
up_disable_irq(IRQ_SW4);
irq_detach(IRQ_SW4);
handler = NULL;
/* Attach the new handler if so requested */
if (irqhandler)
if (irqhandler != NULL)
{
ret = irq_attach(IRQ_SW4, irqhandler, arg);
if (ret == OK)
{
handler = irqhandler;
up_enable_irq(IRQ_SW4);
}
}