mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-29 03:35:31 +02:00
ba2e2fa7be
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14454 3c298f89-4303-0410-b956-a3cf2f4a3e73
24 lines
733 B
Diff
24 lines
733 B
Diff
--- a/drivers/serial/pxa.c
|
|
+++ b/drivers/serial/pxa.c
|
|
@@ -235,15 +235,19 @@ static inline irqreturn_t serial_pxa_irq
|
|
struct uart_pxa_port *up = dev_id;
|
|
unsigned int iir, lsr;
|
|
|
|
+ serial_out(up, UART_MCR, serial_in(up, UART_MCR) & ~UART_MCR_RTS); // Clear RTS
|
|
iir = serial_in(up, UART_IIR);
|
|
if (iir & UART_IIR_NO_INT)
|
|
- return IRQ_NONE;
|
|
+ {
|
|
+ //printk(KERN_WARNING "serial_pxa_irq: odd -- interrupt triggered, but no interrupt in IIR: %08x\n",iir);
|
|
+ }
|
|
lsr = serial_in(up, UART_LSR);
|
|
if (lsr & UART_LSR_DR)
|
|
receive_chars(up, &lsr);
|
|
check_modem_status(up);
|
|
if (lsr & UART_LSR_THRE)
|
|
transmit_chars(up);
|
|
+ serial_out(up, UART_MCR, serial_in(up, UART_MCR) | UART_MCR_RTS); // Assert RTS
|
|
return IRQ_HANDLED;
|
|
}
|
|
|