}
spi100k_enable_clock(master);
- writew( data , spi100k->base + SPI_TX_MSB);
+ writew(data , spi100k->base + SPI_TX_MSB);
writew(SPI_CTRL_SEN(0) |
SPI_CTRL_WORD_SIZE(len) |
spi100k->base + SPI_CTRL);
/* Wait for bit ack send change */
- while((readw(spi100k->base + SPI_STATUS) & SPI_STATUS_WE) != SPI_STATUS_WE);
+ while ((readw(spi100k->base + SPI_STATUS) & SPI_STATUS_WE) != SPI_STATUS_WE)
+ ;
udelay(1000);
spi100k_disable_clock(master);
static int spi100k_read_data(struct spi_master *master, int len)
{
- int dataH,dataL;
+ int dataH, dataL;
struct omap1_spi100k *spi100k = spi_master_get_devdata(master);
/* Always do at least 16 bits */
SPI_CTRL_RD,
spi100k->base + SPI_CTRL);
- while((readw(spi100k->base + SPI_STATUS) & SPI_STATUS_RD) != SPI_STATUS_RD);
+ while ((readw(spi100k->base + SPI_STATUS) & SPI_STATUS_RD) != SPI_STATUS_RD)
+ ;
udelay(1000);
dataL = readw(spi100k->base + SPI_RX_LSB);
rx = xfer->rx_buf;
tx = xfer->tx_buf;
do {
- c-=1;
+ c -= 1;
if (xfer->tx_buf != NULL)
spi100k_write_data(spi->master, word_len, *tx++);
if (xfer->rx_buf != NULL)
*rx++ = spi100k_read_data(spi->master, word_len);
- } while(c);
+ } while (c);
} else if (word_len <= 16) {
u16 *rx;
const u16 *tx;
rx = xfer->rx_buf;
tx = xfer->tx_buf;
do {
- c-=2;
+ c -= 2;
if (xfer->tx_buf != NULL)
- spi100k_write_data(spi->master,word_len, *tx++);
+ spi100k_write_data(spi->master, word_len, *tx++);
if (xfer->rx_buf != NULL)
- *rx++ = spi100k_read_data(spi->master,word_len);
- } while(c);
+ *rx++ = spi100k_read_data(spi->master, word_len);
+ } while (c);
} else if (word_len <= 32) {
u32 *rx;
const u32 *tx;
rx = xfer->rx_buf;
tx = xfer->tx_buf;
do {
- c-=4;
+ c -= 4;
if (xfer->tx_buf != NULL)
- spi100k_write_data(spi->master,word_len, *tx);
+ spi100k_write_data(spi->master, word_len, *tx);
if (xfer->rx_buf != NULL)
- *rx = spi100k_read_data(spi->master,word_len);
- } while(c);
+ *rx = spi100k_read_data(spi->master, word_len);
+ } while (c);
}
return count - c;
}
spi100k = spi_master_get_devdata(spi->master);
if (!cs) {
- cs = kzalloc(sizeof *cs, GFP_KERNEL);
+ cs = kzalloc(sizeof(*cs), GFP_KERNEL);
if (!cs)
return -ENOMEM;
cs->base = spi100k->base + spi->chip_select * 0x14;
if (!pdev->id)
return -EINVAL;
- master = spi_alloc_master(&pdev->dev, sizeof *spi100k);
+ master = spi_alloc_master(&pdev->dev, sizeof(*spi100k));
if (master == NULL) {
dev_dbg(&pdev->dev, "master allocation failed\n");
return -ENOMEM;
}
if (pdev->id != -1)
- master->bus_num = pdev->id;
+ master->bus_num = pdev->id;
master->setup = omap1_spi100k_setup;
master->transfer_one_message = omap1_spi100k_transfer_one_message;