#include <linux/dma-mapping.h>
#include <linux/spi/spi.h>
#include <linux/workqueue.h>
-#include <linux/errno.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/arch/pxa2xx_spi.h>
MODULE_AUTHOR("Stephen Street");
-MODULE_DESCRIPTION("PXA2xx SSP SPI Contoller");
+MODULE_DESCRIPTION("PXA2xx SSP SPI Controller");
MODULE_LICENSE("GPL");
#define MAX_BUSES 3
return 0;
}
+/* the spi->mode bits understood by this driver: */
+#define MODEBITS (SPI_CPOL | SPI_CPHA)
+
static int setup(struct spi_device *spi)
{
struct pxa2xx_spi_chip *chip_info = NULL;
return -EINVAL;
}
+ if (spi->mode & ~MODEBITS) {
+ dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
+ spi->mode & ~MODEBITS);
+ return -EINVAL;
+ }
+
/* Only alloc on first setup */
chip = spi_get_ctldata(spi);
if (!chip) {
kfree(chip);
}
-static int init_queue(struct driver_data *drv_data)
+static int __init init_queue(struct driver_data *drv_data)
{
INIT_LIST_HEAD(&drv_data->queue);
spin_lock_init(&drv_data->lock);
INIT_WORK(&drv_data->pump_messages, pump_messages);
drv_data->workqueue = create_singlethread_workqueue(
- drv_data->master->cdev.dev->bus_id);
+ drv_data->master->dev.parent->bus_id);
if (drv_data->workqueue == NULL)
return -EBUSY;
return 0;
}
-static int pxa2xx_spi_probe(struct platform_device *pdev)
+static int __init pxa2xx_spi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct pxa2xx_spi_master *platform_info;
.bus = &platform_bus_type,
.owner = THIS_MODULE,
},
- .probe = pxa2xx_spi_probe,
- .remove = __devexit_p(pxa2xx_spi_remove),
+ .remove = pxa2xx_spi_remove,
.shutdown = pxa2xx_spi_shutdown,
.suspend = pxa2xx_spi_suspend,
.resume = pxa2xx_spi_resume,
static int __init pxa2xx_spi_init(void)
{
- platform_driver_register(&driver);
-
- return 0;
+ return platform_driver_probe(&driver, pxa2xx_spi_probe);
}
module_init(pxa2xx_spi_init);