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i.MX6: Fix clearing GPT status register

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This commit is contained in:
Masayuki Ishikawa 2016-12-28 10:19:18 -06:00 committed by Gregory Nutt
parent cfb876263a
commit 3a0ae405b2
1 changed files with 8 additions and 5 deletions
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13
arch/arm/src/imx6/imx_timerisr.c
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@ -115,10 +115,6 @@ static void up_output_compare(uint32_t sr, uint32_t of)
if ((sr & of) != 0) if ((sr & of) != 0)
{ {
/* Clear the pending output compare interrupt */
putreg32(of, IMX_GPT_SR);
/* Process timer interrupt event */ /* Process timer interrupt event */
sched_process_timer(); sched_process_timer();
@ -140,9 +136,16 @@ static void up_output_compare(uint32_t sr, uint32_t of)
int up_timerisr(int irq, uint32_t *regs) int up_timerisr(int irq, uint32_t *regs)
{ {
/* Sample the SR (once) and process all pending output compare interrupt */ /* Sample the SR (once) */
uint32_t sr = getreg32(IMX_GPT_SR); uint32_t sr = getreg32(IMX_GPT_SR);
/* Clear GPT status register */
putreg32(sr, IMX_GPT_SR);
/* Process all pending output compare interrupt */
up_output_compare(sr, GPT_INT_OF1); up_output_compare(sr, GPT_INT_OF1);
up_output_compare(sr, GPT_INT_OF2); up_output_compare(sr, GPT_INT_OF2);
up_output_compare(sr, GPT_INT_OF3); up_output_compare(sr, GPT_INT_OF3);