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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>
This commit is contained in:
Brian Niebuhr 2010-08-19 16:16:28 +05:30 committed by Sekhar Nori
parent b6c4eeac5b
commit cda987ebb8
1 changed files with 5 additions and 9 deletions
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14
drivers/spi/davinci_spi.c
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@ -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);