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authorAndré Goddard Rosa <andre.goddard@gmail.com>2009-10-25 12:01:34 -0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-11 15:18:04 -0800
commit4c0ebb8057bc335d345c8e205a3e6fd1320be21e (patch)
tree71625bdd54cbc50b6abaaa92a3b2d063b45947fe /drivers/serial/8250.c
parent82cb7ba10deafe17686bf22ce4a7a303a77a197f (diff)
downloadlinux-4c0ebb8057bc335d345c8e205a3e6fd1320be21e.tar.bz2
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.c16
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 "