diff options
Diffstat (limited to 'drivers/tty/serial/sunzilog.c')
| -rw-r--r-- | drivers/tty/serial/sunzilog.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c index 8e916e76b7b5..b3b70b0bf85b 100644 --- a/drivers/tty/serial/sunzilog.c +++ b/drivers/tty/serial/sunzilog.c @@ -37,14 +37,15 @@ #include <asm/io.h> #include <asm/irq.h> #include <asm/prom.h> +#include <asm/setup.h> #if defined(CONFIG_SERIAL_SUNZILOG_CONSOLE) && defined(CONFIG_MAGIC_SYSRQ) #define SUPPORT_SYSRQ #endif #include <linux/serial_core.h> +#include <linux/sunserialcore.h> -#include "suncore.h" #include "sunzilog.h" /* On 32-bit sparcs we need to delay after register accesses @@ -1397,7 +1398,7 @@ static void __devinit sunzilog_init_hw(struct uart_sunzilog_port *up) #endif } -static int zilog_irq = -1; +static int zilog_irq; static int __devinit zs_probe(struct platform_device *op) { @@ -1425,7 +1426,7 @@ static int __devinit zs_probe(struct platform_device *op) rp = sunzilog_chip_regs[inst]; - if (zilog_irq == -1) + if (!zilog_irq) zilog_irq = op->archdata.irqs[0]; up = &sunzilog_port_table[inst * 2]; @@ -1580,7 +1581,7 @@ static int __init sunzilog_init(void) if (err) goto out_unregister_uart; - if (zilog_irq != -1) { + if (!zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED, "zs", sunzilog_irq_chain); @@ -1621,7 +1622,7 @@ static void __exit sunzilog_exit(void) { platform_driver_unregister(&zs_driver); - if (zilog_irq != -1) { + if (!zilog_irq) { struct uart_sunzilog_port *up = sunzilog_irq_chain; /* Disable Interrupts */ @@ -1637,7 +1638,7 @@ static void __exit sunzilog_exit(void) } free_irq(zilog_irq, sunzilog_irq_chain); - zilog_irq = -1; + zilog_irq = 0; } if (sunzilog_reg.nr) { |