Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / drivers / serial / sh-sci.c

diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 66f52674ca0cb6872cfd580571b29d485dd59a44..8e2feb563347151d220ed23155074dc5e0f0c761 100644 (file)
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -707,24 +707,25 @@ static irqreturn_t sci_br_interrupt(int irq, void *ptr)
 
 static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 {
-       unsigned short ssr_status, scr_status;
+       unsigned short ssr_status, scr_status, err_enabled;
        struct uart_port *port = ptr;
        irqreturn_t ret = IRQ_NONE;
 
        ssr_status = sci_in(port, SCxSR);
        scr_status = sci_in(port, SCSCR);
+       err_enabled = scr_status & (SCI_CTRL_FLAGS_REIE | SCI_CTRL_FLAGS_RIE);
 
        /* Tx Interrupt */
-       if ((ssr_status & 0x0020) && (scr_status & SCI_CTRL_FLAGS_TIE))
+       if ((ssr_status & SCxSR_TDxE(port)) && (scr_status & SCI_CTRL_FLAGS_TIE))
                ret = sci_tx_interrupt(irq, ptr);
        /* Rx Interrupt */
-       if ((ssr_status & 0x0002) && (scr_status & SCI_CTRL_FLAGS_RIE))
+       if ((ssr_status & SCxSR_RDxF(port)) && (scr_status & SCI_CTRL_FLAGS_RIE))
                ret = sci_rx_interrupt(irq, ptr);
        /* Error Interrupt */
-       if ((ssr_status & 0x0080) && (scr_status & SCI_CTRL_FLAGS_REIE))
+       if ((ssr_status & SCxSR_ERRORS(port)) && err_enabled)
                ret = sci_er_interrupt(irq, ptr);
        /* Break Interrupt */
-       if ((ssr_status & 0x0010) && (scr_status & SCI_CTRL_FLAGS_REIE))
+       if ((ssr_status & SCxSR_BRK(port)) && err_enabled)
                ret = sci_br_interrupt(irq, ptr);
 
        return ret;