#include <linux/init.h>
#include <linux/errno.h>
#include <linux/interrupt.h>
-
-#if defined(CONFIG_PPC_MERGE)
#include <linux/of_platform.h>
-#else
-#include <linux/platform_device.h>
-#endif
-
#include <linux/workqueue.h>
#include <linux/completion.h>
#include <linux/io.h>
unsigned rfalarm;
unsigned send_at_once = MPC52xx_PSC_BUFSIZE;
unsigned recv_at_once;
+ int last_block = 0;
if (!t->tx_buf && !t->rx_buf && t->len)
return -EINVAL;
while (rb < t->len) {
if (t->len - rb > MPC52xx_PSC_BUFSIZE) {
rfalarm = MPC52xx_PSC_RFALARM;
+ last_block = 0;
} else {
send_at_once = t->len - sb;
rfalarm = MPC52xx_PSC_BUFSIZE - (t->len - rb);
+ last_block = 1;
}
dev_dbg(&spi->dev, "send %d bytes...\n", send_at_once);
for (; send_at_once; sb++, send_at_once--) {
/* set EOF flag before the last word is sent */
- if (send_at_once == 1)
+ if (send_at_once == 1 && last_block)
out_8(&psc->ircr2, 0x01);
if (tx_buf)
INIT_LIST_HEAD(&mps->queue);
mps->workqueue = create_singlethread_workqueue(
- master->dev.parent->bus_id);
+ dev_name(master->dev.parent));
if (mps->workqueue == NULL) {
ret = -EBUSY;
goto free_irq;
return 0;
}
-#if !defined(CONFIG_PPC_MERGE)
-static int __init mpc52xx_psc_spi_probe(struct platform_device *dev)
-{
- switch(dev->id) {
- case 1:
- case 2:
- case 3:
- case 6:
- return mpc52xx_psc_spi_do_probe(&dev->dev,
- MPC52xx_PA(MPC52xx_PSCx_OFFSET(dev->id)),
- MPC52xx_PSC_SIZE, platform_get_irq(dev, 0), dev->id);
- default:
- return -EINVAL;
- }
-}
-
-static int __exit mpc52xx_psc_spi_remove(struct platform_device *dev)
-{
- return mpc52xx_psc_spi_do_remove(&dev->dev);
-}
-
-/* work with hotplug and coldplug */
-MODULE_ALIAS("platform:mpc52xx-psc-spi");
-
-static struct platform_driver mpc52xx_psc_spi_platform_driver = {
- .remove = __exit_p(mpc52xx_psc_spi_remove),
- .driver = {
- .name = "mpc52xx-psc-spi",
- .owner = THIS_MODULE,
- },
-};
-
-static int __init mpc52xx_psc_spi_init(void)
-{
- return platform_driver_probe(&mpc52xx_psc_spi_platform_driver,
- mpc52xx_psc_spi_probe);
-}
-module_init(mpc52xx_psc_spi_init);
-
-static void __exit mpc52xx_psc_spi_exit(void)
-{
- platform_driver_unregister(&mpc52xx_psc_spi_platform_driver);
-}
-module_exit(mpc52xx_psc_spi_exit);
-
-#else /* defined(CONFIG_PPC_MERGE) */
-
static int __init mpc52xx_psc_spi_of_probe(struct of_device *op,
const struct of_device_id *match)
{
}
module_exit(mpc52xx_psc_spi_exit);
-#endif /* defined(CONFIG_PPC_MERGE) */
-
MODULE_AUTHOR("Dragos Carp");
MODULE_DESCRIPTION("MPC52xx PSC SPI Driver");
MODULE_LICENSE("GPL");