}
- /* enable interupts and wait for wake up
+ /* enable interrupts and wait for wake up
* if just one byte is expected the Rx FIFO genererates no
* FFULL interrupt, so activate the RxRDY interrupt
*/
spin_unlock_irq(&mps->lock);
}
+/* the spi->mode bits understood by this driver: */
+#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST)
+
static int mpc52xx_psc_spi_setup(struct spi_device *spi)
{
struct mpc52xx_psc_spi *mps = spi_master_get_devdata(spi->master);
if (spi->bits_per_word%8)
return -EINVAL;
+ if (spi->mode & ~MODEBITS) {
+ dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
+ spi->mode & ~MODEBITS);
+ return -EINVAL;
+ }
+
if (!cs) {
cs = kzalloc(sizeof *cs, GFP_KERNEL);
if (!cs)
INIT_LIST_HEAD(&mps->queue);
mps->workqueue = create_singlethread_workqueue(
- master->cdev.dev->bus_id);
+ master->dev.parent->bus_id);
if (mps->workqueue == NULL) {
ret = -EBUSY;
goto free_irq;