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authorSascha Hauer <s.hauer@pengutronix.de>2017-06-02 07:38:03 +0200
committerMark Brown <broonie@kernel.org>2017-06-06 19:48:23 +0100
commit65017ee2cd69bfd9ccdaa1f61b220e9717408106 (patch)
tree06f09123d59b5eaa5f0622af20216060acd54c84 /drivers/spi
parentd6be7d1db51799fb510458b8ede6e5bef96ab1f0 (diff)
downloadblackbird-obmc-linux-65017ee2cd69bfd9ccdaa1f61b220e9717408106.tar.gz
blackbird-obmc-linux-65017ee2cd69bfd9ccdaa1f61b220e9717408106.zip
spi: imx: remove bytes_per_word from private driver struct
We already have bits_per_word in the private driver struct and bytes_per_word can be calculated from it, so remove bits_per_word. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-imx.c15
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 0ec8d816e033..12e5ef7beb0b 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -92,7 +92,6 @@ struct spi_imx_data {
unsigned int speed_hz;
unsigned int bits_per_word;
- unsigned int bytes_per_word;
unsigned int spi_drctl;
unsigned int count;
@@ -215,9 +214,7 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi,
if (!master->dma_rx)
return false;
- bpw = transfer->bits_per_word;
-
- bpw = spi_imx_bytes_per_word(bpw);
+ bpw = spi_imx_bytes_per_word(transfer->bits_per_word);
if (bpw != 1 && bpw != 2 && bpw != 4)
return false;
@@ -833,15 +830,14 @@ static irqreturn_t spi_imx_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static int spi_imx_dma_configure(struct spi_master *master,
- int bytes_per_word)
+static int spi_imx_dma_configure(struct spi_master *master)
{
int ret;
enum dma_slave_buswidth buswidth;
struct dma_slave_config rx = {}, tx = {};
struct spi_imx_data *spi_imx = spi_master_get_devdata(master);
- switch (bytes_per_word) {
+ switch (spi_imx_bytes_per_word(spi_imx->bits_per_word)) {
case 4:
buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
break;
@@ -875,8 +871,6 @@ static int spi_imx_dma_configure(struct spi_master *master,
return ret;
}
- spi_imx->bytes_per_word = bytes_per_word;
-
return 0;
}
@@ -910,8 +904,7 @@ static int spi_imx_setupxfer(struct spi_device *spi,
spi_imx->usedma = 0;
if (spi_imx->usedma) {
- ret = spi_imx_dma_configure(spi->master,
- spi_imx_bytes_per_word(spi_imx->bits_per_word));
+ ret = spi_imx_dma_configure(spi->master);
if (ret)
return ret;
}
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