diff options
Diffstat (limited to 'nuttx/arch/z80/src/z180/z180_timerisr.c')
-rw-r--r-- | nuttx/arch/z80/src/z180/z180_timerisr.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/nuttx/arch/z80/src/z180/z180_timerisr.c b/nuttx/arch/z80/src/z180/z180_timerisr.c index 35d21c5a0..253fd4327 100644 --- a/nuttx/arch/z80/src/z180/z180_timerisr.c +++ b/nuttx/arch/z80/src/z180/z180_timerisr.c @@ -94,16 +94,14 @@ int up_timerisr(int irq, chipreg_t *regs) { - volatile uint8_t regval; - /* "When TMDR0 decrements to 0, TIF0 is set to 1. This generates an interrupt * request if enabled by TIE0 = 1. TIF0 is reset to 0 when TCR is read and * the higher or lower byte of TMDR0 is read." */ - regval = inp(Z180_PRT_TCR); - regval = inp(Z180_PRT0_DRL); - regval = inp(Z180_PRT0_DRH); + (void)inp(Z180_PRT_TCR); + (void)inp(Z180_PRT0_DRL); + (void)inp(Z180_PRT0_DRH); /* Process timer interrupt */ |