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FMC ADC 100M 14b 4cha
Commit e66fc2f3 authored by Federico Vaga's avatar Federico Vaga
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sw:drv: validate temperature 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 2e461235
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software/kernel/fa-core.c
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......@@ -97,7 +97,11 @@ int32_t fa_temperature_read(struct fa_dev *fa)
uint32_t reg;
int16_t raw_temp;
reg = fa_readl(fa, fa->fa_ow_base, &zfad_regs[ZFA_DS18B20_TEMP]);
reg = fa_ioread(fa, fa->fa_ow_base + 0x08);
if (reg & BIT(31)) {
dev_err(&fa->pdev->dev, "Temperature sensor failure\n");
return 45000; /* 45.000 degrees as save value */
}
raw_temp = reg & 0xFFFF;
return (raw_temp * 1000UL + 8) / 16;
......
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