spin_unlock_irqrestore(&up->port.lock, flags);
}
-#if 0
-static void serial_pxa_dma_init(struct pxa_uart *up)
-{
- up->rxdma =
- pxa_request_dma(up->name, DMA_PRIO_LOW, pxa_receive_dma, up);
- if (up->rxdma < 0)
- goto out;
- up->txdma =
- pxa_request_dma(up->name, DMA_PRIO_LOW, pxa_transmit_dma, up);
- if (up->txdma < 0)
- goto err_txdma;
- up->dmadesc = kmalloc(4 * sizeof(pxa_dma_desc), GFP_KERNEL);
- if (!up->dmadesc)
- goto err_alloc;
-
- /* ... */
-err_alloc:
- pxa_free_dma(up->txdma);
-err_rxdma:
- pxa_free_dma(up->rxdma);
-out:
- return;
-}
-#endif
-
static int serial_pxa_startup(struct uart_port *port)
{
struct uart_pxa_port *up = (struct uart_pxa_port *)port;
#define PXA_CONSOLE NULL
#endif
-struct uart_ops serial_pxa_pops = {
+static struct uart_ops serial_pxa_pops = {
.tx_empty = serial_pxa_tx_empty,
.set_mctrl = serial_pxa_set_mctrl,
.get_mctrl = serial_pxa_get_mctrl,
},
};
-int __init serial_pxa_init(void)
+static int __init serial_pxa_init(void)
{
int ret;
return ret;
}
-void __exit serial_pxa_exit(void)
+static void __exit serial_pxa_exit(void)
{
platform_driver_unregister(&serial_pxa_driver);
uart_unregister_driver(&serial_pxa_reg);