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path: root/drivers/serial/sh-sci.c
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Diffstat (limited to 'drivers/serial/sh-sci.c')
-rw-r--r--drivers/serial/sh-sci.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index a4cf1079b31..8e2feb56334 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;
@@ -1332,44 +1333,46 @@ err_unreg:
return ret;
}
-static int sci_suspend(struct platform_device *dev, pm_message_t state)
+static int sci_suspend(struct device *dev)
{
- struct sh_sci_priv *priv = platform_get_drvdata(dev);
+ struct sh_sci_priv *priv = dev_get_drvdata(dev);
struct sci_port *p;
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
list_for_each_entry(p, &priv->ports, node)
uart_suspend_port(&sci_uart_driver, &p->port);
-
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
-static int sci_resume(struct platform_device *dev)
+static int sci_resume(struct device *dev)
{
- struct sh_sci_priv *priv = platform_get_drvdata(dev);
+ struct sh_sci_priv *priv = dev_get_drvdata(dev);
struct sci_port *p;
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
list_for_each_entry(p, &priv->ports, node)
uart_resume_port(&sci_uart_driver, &p->port);
-
spin_unlock_irqrestore(&priv->lock, flags);
return 0;
}
+static struct dev_pm_ops sci_dev_pm_ops = {
+ .suspend = sci_suspend,
+ .resume = sci_resume,
+};
+
static struct platform_driver sci_driver = {
.probe = sci_probe,
.remove = __devexit_p(sci_remove),
- .suspend = sci_suspend,
- .resume = sci_resume,
.driver = {
.name = "sh-sci",
.owner = THIS_MODULE,
+ .pm = &sci_dev_pm_ops,
},
};