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| author | André Goddard Rosa <andre.goddard@gmail.com> | 2009-10-25 12:01:34 -0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 15:18:04 -0800 |
| commit | 4c0ebb8057bc335d345c8e205a3e6fd1320be21e (patch) | |
| tree | 71625bdd54cbc50b6abaaa92a3b2d063b45947fe /drivers/serial/8250.c | |
| parent | 82cb7ba10deafe17686bf22ce4a7a303a77a197f (diff) | |
| download | lwn-4c0ebb8057bc335d345c8e205a3e6fd1320be21e.tar.gz lwn-4c0ebb8057bc335d345c8e205a3e6fd1320be21e.zip | |
serial, 8250: calculate irqflags bitmask before loop
Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial/8250.c')
| -rw-r--r-- | drivers/serial/8250.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c index 737b4c960971..b75e63e9d1ee 100644 --- a/drivers/serial/8250.c +++ b/drivers/serial/8250.c @@ -2646,7 +2646,7 @@ static void __init serial8250_isa_init_ports(void) { struct uart_8250_port *up; static int first = 1; - int i; + int i, irqflag = 0; if (!first) return; @@ -2670,6 +2670,9 @@ static void __init serial8250_isa_init_ports(void) up->port.ops = &serial8250_pops; } + if (share_irqs) + irqflag = IRQF_SHARED; + for (i = 0, up = serial8250_ports; i < ARRAY_SIZE(old_serial_port) && i < nr_uarts; i++, up++) { @@ -2683,8 +2686,7 @@ static void __init serial8250_isa_init_ports(void) up->port.iotype = old_serial_port[i].io_type; up->port.regshift = old_serial_port[i].iomem_reg_shift; set_io_from_upio(&up->port); - if (share_irqs) - up->port.irqflags |= IRQF_SHARED; + up->port.irqflags |= irqflag; } } @@ -2940,10 +2942,13 @@ static int __devinit serial8250_probe(struct platform_device *dev) { struct plat_serial8250_port *p = dev->dev.platform_data; struct uart_port port; - int ret, i; + int ret, i, irqflag = 0; memset(&port, 0, sizeof(struct uart_port)); + if (share_irqs) + irqflag = IRQF_SHARED; + for (i = 0; p && p->flags != 0; p++, i++) { port.iobase = p->iobase; port.membase = p->membase; @@ -2960,8 +2965,7 @@ static int __devinit serial8250_probe(struct platform_device *dev) port.serial_in = p->serial_in; port.serial_out = p->serial_out; port.dev = &dev->dev; - if (share_irqs) - port.irqflags |= IRQF_SHARED; + port.irqflags |= irqflag; ret = serial8250_register_port(&port); if (ret < 0) { dev_err(&dev->dev, "unable to register port at index %d " |