| From aa713e101cbd1134076575a7acec8391c99cd1a7 Mon Sep 17 00:00:00 2001 |
| From: Tomer Maimon <tmaimon77@gmail.com> |
| Date: Thu, 7 Dec 2023 08:33:19 +0200 |
| Subject: [PATCH] iio: adc: npcm: clear interrupt status at probe |
| |
| Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> |
| --- |
| drivers/iio/adc/npcm_adc.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| diff --git a/drivers/iio/adc/npcm_adc.c b/drivers/iio/adc/npcm_adc.c |
| index 74bcadbce5b353..de0f6462dbc145 100644 |
| --- a/drivers/iio/adc/npcm_adc.c |
| +++ b/drivers/iio/adc/npcm_adc.c |
| @@ -425,6 +425,10 @@ static int npcm_adc_probe(struct platform_device *pdev) |
| |
| /* calculate ADC clock sample rate */ |
| reg_con = ioread32(info->regs + NPCM_ADCCON); |
| + /* clear ADC interrupt status */ |
| + if (reg_con & NPCM_ADCCON_ADC_INT_ST) |
| + iowrite32(reg_con, info->regs + NPCM_ADCCON); |
| + reg_con = ioread32(info->regs + NPCM_ADCCON); |
| div = reg_con & NPCM_ADCCON_DIV_MASK; |
| div = div >> NPCM_ADCCON_DIV_SHIFT; |
| info->adc_sample_hz = clk_get_rate(info->adc_clk) / ((div + 1) * 2); |
