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This is consistent with the XADCIF_CFG register default value. Configure WEDGE to 0 as specified by the TRM. Abnormal XADC temperature readings observed on Zynq-7000 are no longer reproducible with the documented setting applied. Fixes: bdc8cda1d010 ("iio:adc: Add Xilinx XADC driver") Co-developed-by: Conall O'Griofa Signed-off-by: Conall O'Griofa Signed-off-by: Dileep Kumar Nagavarapu Cc: stable@vger.kernel.org --- drivers/iio/adc/xilinx-xadc-core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c index cab66bb8cc1c..bfabe78b66e3 100644 --- a/drivers/iio/adc/xilinx-xadc-core.c +++ b/drivers/iio/adc/xilinx-xadc-core.c @@ -390,8 +390,7 @@ static int xadc_zynq_setup(struct platform_device *pdev, xadc_write_reg(xadc, XADC_ZYNQ_REG_INTSTS, ~0); xadc_write_reg(xadc, XADC_ZYNQ_REG_INTMSK, xadc->zynq_intmask); xadc_write_reg(xadc, XADC_ZYNQ_REG_CFG, XADC_ZYNQ_CFG_ENABLE | - XADC_ZYNQ_CFG_REDGE | XADC_ZYNQ_CFG_WEDGE | - tck_div | XADC_ZYNQ_CFG_IGAP(igap)); + XADC_ZYNQ_CFG_REDGE | tck_div | XADC_ZYNQ_CFG_IGAP(igap)); if (pcap_rate > XADC_ZYNQ_PCAP_RATE_MAX) { ret = clk_set_rate(xadc->clk, pcap_rate); -- 2.34.1