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Diffstat (limited to 'drivers/spi/spi-imx.c')
-rw-r--r--drivers/spi/spi-imx.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 272bc871a848..833a1bb7a914 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -2,6 +2,7 @@
// Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
// Copyright (C) 2008 Juergen Beisert
+#include <linux/bits.h>
#include <linux/clk.h>
#include <linux/completion.h>
#include <linux/delay.h>
@@ -660,15 +661,15 @@ static int mx51_ecspi_prepare_transfer(struct spi_imx_data *spi_imx,
<< MX51_ECSPI_CTRL_BL_OFFSET;
else {
if (spi_imx->usedma) {
- ctrl |= (spi_imx->bits_per_word *
- spi_imx_bytes_per_word(spi_imx->bits_per_word) - 1)
+ ctrl |= (spi_imx->bits_per_word - 1)
<< MX51_ECSPI_CTRL_BL_OFFSET;
} else {
if (spi_imx->count >= MX51_ECSPI_CTRL_MAX_BURST)
- ctrl |= (MX51_ECSPI_CTRL_MAX_BURST - 1)
+ ctrl |= (MX51_ECSPI_CTRL_MAX_BURST * BITS_PER_BYTE - 1)
<< MX51_ECSPI_CTRL_BL_OFFSET;
else
- ctrl |= (spi_imx->count * spi_imx->bits_per_word - 1)
+ ctrl |= spi_imx->count / DIV_ROUND_UP(spi_imx->bits_per_word,
+ BITS_PER_BYTE) * spi_imx->bits_per_word
<< MX51_ECSPI_CTRL_BL_OFFSET;
}
}
@@ -1344,7 +1345,7 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
controller->dma_tx = dma_request_chan(dev, "tx");
if (IS_ERR(controller->dma_tx)) {
ret = PTR_ERR(controller->dma_tx);
- dev_dbg(dev, "can't get the TX DMA channel, error %d!\n", ret);
+ dev_err_probe(dev, ret, "can't get the TX DMA channel!\n");
controller->dma_tx = NULL;
goto err;
}
@@ -1353,7 +1354,7 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
controller->dma_rx = dma_request_chan(dev, "rx");
if (IS_ERR(controller->dma_rx)) {
ret = PTR_ERR(controller->dma_rx);
- dev_dbg(dev, "can't get the RX DMA channel, error %d\n", ret);
+ dev_err_probe(dev, ret, "can't get the RX DMA channel!\n");
controller->dma_rx = NULL;
goto err;
}