diff options
Diffstat (limited to 'arch/mn10300/kernel/mn10300-serial.c')
| -rw-r--r-- | arch/mn10300/kernel/mn10300-serial.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/arch/mn10300/kernel/mn10300-serial.c b/arch/mn10300/kernel/mn10300-serial.c index 4968cfe66c06..cac0f0da9203 100644 --- a/arch/mn10300/kernel/mn10300-serial.c +++ b/arch/mn10300/kernel/mn10300-serial.c @@ -408,6 +408,34 @@ static struct irq_chip mn10300_serial_pic = { .irq_unmask = mn10300_serial_nop, }; +static void mn10300_serial_low_mask(struct irq_data *d) +{ + unsigned long flags; + u16 tmp; + + flags = arch_local_cli_save(); + GxICR(d->irq) = NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL); + tmp = GxICR(d->irq); /* flush write buffer */ + arch_local_irq_restore(flags); +} + +static void mn10300_serial_low_unmask(struct irq_data *d) +{ + unsigned long flags; + u16 tmp; + + flags = arch_local_cli_save(); + GxICR(d->irq) = + NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL) | GxICR_ENABLE; + tmp = GxICR(d->irq); /* flush write buffer */ + arch_local_irq_restore(flags); +} + +static struct irq_chip mn10300_serial_low_pic = { + .name = "mnserial-low", + .irq_mask = mn10300_serial_low_mask, + .irq_unmask = mn10300_serial_low_unmask, +}; /* * serial virtual DMA interrupt jump table @@ -929,10 +957,8 @@ static int mn10300_serial_startup(struct uart_port *_port) pint->port = port; pint->vdma = mn10300_serial_vdma_tx_handler; - set_intr_level(port->rx_irq, - NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL)); - set_intr_level(port->tx_irq, - NUM2GxICR_LEVEL(CONFIG_MN10300_SERIAL_IRQ_LEVEL)); + irq_set_chip(port->rx_irq, &mn10300_serial_low_pic); + irq_set_chip(port->tx_irq, &mn10300_serial_low_pic); irq_set_chip(port->tm_irq, &mn10300_serial_pic); if (request_irq(port->rx_irq, mn10300_serial_interrupt, |