diff options
Diffstat (limited to 'drivers/serial/sh-sci.c')
| -rw-r--r-- | drivers/serial/sh-sci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c index 66f52674ca0c..8e2feb563347 100644 --- 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; |