rk3568 dts

hc

2023-11-06 1622ff3442ff6aecc1f538cda437379d1f6a4a93

 kernel/drivers/spi/spi-rockchip-test.c
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@@ -102,7 +102,11 @@
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 	spi_message_init(&m);
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 	spi_message_add_tail(&t, &m);
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-	return spi_sync(spi, &m);
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+	ret = spi_sync(spi, &m);
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+	if (m.actual_length && m.actual_length != n)
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+		pr_err("%s len=%d actual_length=%d\n", __func__, n, m.actual_length);
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+
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+	return ret;
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 }
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 int spi_read_slt(int id, void *rxbuf, size_t n)
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@@ -127,7 +131,11 @@
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 	spi_message_init(&m);
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 	spi_message_add_tail(&t, &m);
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-	return spi_sync(spi, &m);
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+	ret = spi_sync(spi, &m);
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+	if (m.actual_length && m.actual_length != n)
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+		pr_err("%s len=%d actual_length=%d\n", __func__, n, m.actual_length);
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+
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+	return ret;
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 }
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 int spi_write_then_read_slt(int id, const void *txbuf, unsigned n_tx,