* Note that some devices need OUT2 to be set before they will generate
* interrupts at all. (Possibly tied to an internal pull-up on CTS?)
*/
-static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t snd_uart16550_interrupt(int irq, void *dev_id)
{
snd_uart16550_t *uart;
if ((err = snd_uart16550_detect(uart)) <= 0) {
printk(KERN_ERR "no UART detected at 0x%lx\n", iobase);
+ snd_uart16550_free(uart);
return -ENODEV;
}
if (irq >= 0 && irq != SNDRV_AUTO_IRQ) {
if (request_irq(irq, snd_uart16550_interrupt,
- SA_INTERRUPT, "Serial MIDI", (void *) uart)) {
+ IRQF_DISABLED, "Serial MIDI", (void *) uart)) {
snd_printk("irq %d busy. Using Polling.\n", irq);
} else {
uart->irq = irq;
return err;
cards = 0;
- for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+ for (i = 0; i < SNDRV_CARDS; i++) {
struct platform_device *device;
+ if (! enable[i])
+ continue;
device = platform_device_register_simple(SND_SERIAL_DRIVER,
i, NULL, 0);
- if (IS_ERR(device)) {
- err = PTR_ERR(device);
- goto errout;
+ if (IS_ERR(device))
+ continue;
+ if (!platform_get_drvdata(device)) {
+ platform_device_unregister(device);
+ continue;
}
devices[i] = device;
cards++;
#ifdef MODULE
printk(KERN_ERR "serial midi soundcard not found or device busy\n");
#endif
- err = -ENODEV;
- goto errout;
+ snd_serial_unregister_all();
+ return -ENODEV;
}
return 0;
-
- errout:
- snd_serial_unregister_all();
- return err;
}
static void __exit alsa_card_serial_exit(void)