spi: imx: take in account bits per word instead of assuming 8-bits

PATCH New Stefan Moring 1 participant 1 message Sep 18, 2023

Subsystems (2)

Arm i.MX and Layerscape SPI

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Stefan Moring

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2023-09-18 15:37 UTC #0 lore raw

PATCH 1/1 spi: imx: take in account bits per word instead of assuming 8-bits

The IMX spi driver has a hardcoded 8, breaking the driver for word lengths other than 8.

Signed-off-by Stefan Moring <[email protected]>

---
 drivers/spi/spi-imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

drivers/spi/spi-imx.c +1 -1

index a8a74c7cb79f..498e35c8db2c 100644
@@ -662,7 +662,7 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
 		if (spi_imx->count >= 512)
 			ctrl |= 0xFFF << MX51_ECSPI_CTRL_BL_OFFSET;
 		else
-			ctrl |= (spi_imx->count*8 - 1)
+			ctrl |= (spi_imx->count * spi_imx->bits_per_word - 1)
 				<< MX51_ECSPI_CTRL_BL_OFFSET;
 	}

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2.42.0


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