4 files changed, 20 insertions, 9 deletions
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 0e6baf017bfd..f631351eef97 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -300,9 +300,9 @@ static int ad7124_get_3db_filter_freq(struct ad7124_state *st,
 
 	switch (st->channels[channel].cfg.filter_type) {
 	case AD7124_SINC3_FILTER:
-		return DIV_ROUND_CLOSEST(fadc * 230, 1000);
+		return DIV_ROUND_CLOSEST(fadc * 272, 1000);
 	case AD7124_SINC4_FILTER:
-		return DIV_ROUND_CLOSEST(fadc * 262, 1000);
+		return DIV_ROUND_CLOSEST(fadc * 230, 1000);
 	default:
 		return -EINVAL;
 	}
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c
index 98648c679a55..2ace3aafe497 100644
--- a/drivers/iio/adc/ad7266.c
+++ b/drivers/iio/adc/ad7266.c
@@ -44,7 +44,7 @@ struct ad7266_state {
 	 */
 	struct {
 		__be16 sample[2];
-		s64 timestamp;
+		aligned_s64 timestamp;
 	} data __aligned(IIO_DMA_MINALIGN);
 };
 
diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index 74b0c85944bd..967f06cd3f94 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -169,7 +169,7 @@ struct ad7768_state {
 	union {
 		struct {
 			__be32 chan;
-			s64 timestamp;
+			aligned_s64 timestamp;
 		} scan;
 		__be32 d32;
 		u8 d8[2];
diff --git a/drivers/iio/adc/imx93_adc.c b/drivers/iio/adc/imx93_adc.c
index 512d7b95b08e..6c32faf65f4f 100644
--- a/drivers/iio/adc/imx93_adc.c
+++ b/drivers/iio/adc/imx93_adc.c
@@ -38,6 +38,7 @@
 #define IMX93_ADC_PCDR6		0x118
 #define IMX93_ADC_PCDR7		0x11c
 #define IMX93_ADC_CALSTAT	0x39C
+#define IMX93_ADC_CALCFG0	0X3A0
 
 /* ADC bit shift */
 #define IMX93_ADC_MCR_MODE_MASK			BIT(29)
@@ -58,6 +59,8 @@
 #define IMX93_ADC_IMR_ECH_MASK			BIT(0)
 #define IMX93_ADC_PCDR_CDATA_MASK		GENMASK(11, 0)
 
+#define IMX93_ADC_CALCFG0_LDFAIL_MASK		BIT(4)
+
 /* ADC status */
 #define IMX93_ADC_MSR_ADCSTATUS_IDLE			0
 #define IMX93_ADC_MSR_ADCSTATUS_POWER_DOWN		1
@@ -145,7 +148,7 @@ static void imx93_adc_config_ad_clk(struct imx93_adc *adc)
 
 static int imx93_adc_calibration(struct imx93_adc *adc)
 {
-	u32 mcr, msr;
+	u32 mcr, msr, calcfg;
 	int ret;
 
 	/* make sure ADC in power down mode */
@@ -158,6 +161,11 @@ static int imx93_adc_calibration(struct imx93_adc *adc)
 
 	imx93_adc_power_up(adc);
 
+	/* Enable loading of calibrated values even in fail condition */
+	calcfg = readl(adc->regs + IMX93_ADC_CALCFG0);
+	calcfg |= IMX93_ADC_CALCFG0_LDFAIL_MASK;
+	writel(calcfg, adc->regs + IMX93_ADC_CALCFG0);
+
 	/*
 	 * TODO: we use the default TSAMP/NRSMPL/AVGEN in MCR,
 	 * can add the setting of these bit if need in future.
@@ -179,11 +187,14 @@ static int imx93_adc_calibration(struct imx93_adc *adc)
 
 	/* check whether calbration is success or not */
 	msr = readl(adc->regs + IMX93_ADC_MSR);
-	if (msr & IMX93_ADC_MSR_CALFAIL_MASK) {
+	if (msr & IMX93_ADC_MSR_CALFAIL_MASK)
+		/*
+		 * Only give warning here, this means the noise of the
+		 * reference voltage do not meet the requirement:
+		 *     ADC reference voltage Noise < 1.8V * 1/2^ENOB
+		 * And the reault of ADC is not that accurate.
+		 */
 		dev_warn(adc->dev, "ADC calibration failed!\n");
-		imx93_adc_power_down(adc);
-		return -EAGAIN;
-	}
 
 	return 0;
 }