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| author | Brian Niebuhr <bniebuhr@efjohnson.com> | 2010-08-19 16:16:28 +0530 |
|---|---|---|
| committer | Sekhar Nori <nsekhar@ti.com> | 2010-11-18 18:38:27 +0530 |
| commit | cda987ebb86dfc757320bfa5c7b2afcd9d3ed30f (patch) | |
| tree | d3feaba5151e4533e8a479c60796b3eebe4decf1 /drivers/spi/davinci_spi.c | |
| parent | b6c4eeac5bc6a6bf769d7f170c507a1b78fd120a (diff) | |
| download | lwn-cda987ebb86dfc757320bfa5c7b2afcd9d3ed30f.tar.gz lwn-cda987ebb86dfc757320bfa5c7b2afcd9d3ed30f.zip | |
spi: davinci: eliminate the single member structure davinci_spi_slave
The struct davinci_spi_slave has a single member. Eliminate it
and store the per-chipselect data in struct davinci_spi directly.
Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'drivers/spi/davinci_spi.c')
| -rw-r--r-- | drivers/spi/davinci_spi.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c index 31b9c2278dec..3dac2038b5a6 100644 --- a/drivers/spi/davinci_spi.c +++ b/drivers/spi/davinci_spi.c @@ -118,10 +118,6 @@ #define SPIDEF 0x4c #define SPIFMT0 0x50 -struct davinci_spi_slave { - u32 bytes_per_word; -}; - /* We have 2 DMA channels per CS, one for RX and one for TX */ struct davinci_spi_dma { int dma_tx_channel; @@ -156,7 +152,7 @@ struct davinci_spi { void (*get_rx)(u32 rx_data, struct davinci_spi *); u32 (*get_tx)(struct davinci_spi *); - struct davinci_spi_slave slave[SPI_MAX_CHIPSELECT]; + u8 bytes_per_word[SPI_MAX_CHIPSELECT]; }; static struct davinci_spi_config davinci_spi_default_cfg; @@ -324,11 +320,11 @@ static int davinci_spi_setup_transfer(struct spi_device *spi, if (bits_per_word <= 8 && bits_per_word >= 2) { davinci_spi->get_rx = davinci_spi_rx_buf_u8; davinci_spi->get_tx = davinci_spi_tx_buf_u8; - davinci_spi->slave[spi->chip_select].bytes_per_word = 1; + davinci_spi->bytes_per_word[spi->chip_select] = 1; } else if (bits_per_word <= 16 && bits_per_word >= 2) { davinci_spi->get_rx = davinci_spi_rx_buf_u16; davinci_spi->get_tx = davinci_spi_tx_buf_u16; - davinci_spi->slave[spi->chip_select].bytes_per_word = 2; + davinci_spi->bytes_per_word[spi->chip_select] = 2; } else return -EINVAL; @@ -632,7 +628,7 @@ static int davinci_spi_bufs_pio(struct spi_device *spi, struct spi_transfer *t) davinci_spi->rx = t->rx_buf; /* convert len to words based on bits_per_word */ - conv = davinci_spi->slave[spi->chip_select].bytes_per_word; + conv = davinci_spi->bytes_per_word[spi->chip_select]; davinci_spi->count = t->len / conv; data1_reg_val = ioread32(davinci_spi->base + SPIDAT1); @@ -764,7 +760,7 @@ static int davinci_spi_bufs_dma(struct spi_device *spi, struct spi_transfer *t) davinci_spi->rx = t->rx_buf; /* convert len to words based on bits_per_word */ - conv = davinci_spi->slave[spi->chip_select].bytes_per_word; + conv = davinci_spi->bytes_per_word[spi->chip_select]; davinci_spi->count = t->len / conv; data1_reg_val = ioread32(davinci_spi->base + SPIDAT1); |