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- Index: linux-2.6.21.7/drivers/serial/pxa.c
- ===================================================================
- --- linux-2.6.21.7.orig/drivers/serial/pxa.c
- +++ linux-2.6.21.7/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;
- }
-
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