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[MIPS] Pb1200: Fix warning. 

arch/mips/au1000/pb1200/irqmap.c:101: warning: ignoring return value of 'request_irq', declared with attribute warn_unused_result

And while at it a few coding style cleanups.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle 2007-11-01 12:59:18 +00:00
Родитель f5cd9f14e2
Коммит db0c19e1a6
1 изменённых файлов: 56 добавлений и 44 удалений
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100
arch/mips/au1000/pb1200/irqmap.c
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@ -94,51 +94,41 @@ inline void pb1200_disable_irq(unsigned int irq_nr)
bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN); bcsr->intclr = 1<<(irq_nr - PB1200_INT_BEGIN);
} }
static unsigned int pb1200_startup_irq( unsigned int irq_nr ) static unsigned int pb1200_setup_cascade(void)
{ {
if (++pb1200_cascade_en == 1) int err;
{
request_irq(AU1000_GPIO_7, &pb1200_cascade_handler, err = request_irq(AU1000_GPIO_7, &pb1200_cascade_handler,
0, "Pb1200 Cascade", (void *)&pb1200_cascade_handler ); 0, "Pb1200 Cascade", &pb1200_cascade_handler);
#ifdef CONFIG_MIPS_PB1200 if (err)
/* We have a problem with CPLD rev3. Enable a workaround */ return err;
if( ((bcsr->whoami & BCSR_WHOAMI_CPLD)>>4) <= 3)
{
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
printk("updated to latest revision. This software will not\n");
printk("work on anything less than CPLD rev4\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
while(1);
}
#endif
}
pb1200_enable_irq(irq_nr);
return 0; return 0;
} }
static void pb1200_shutdown_irq( unsigned int irq_nr ) static unsigned int pb1200_startup_irq(unsigned int irq)
{ {
pb1200_disable_irq(irq_nr); if (++pb1200_cascade_en == 1) {
if (--pb1200_cascade_en == 0) int res;
{
free_irq(AU1000_GPIO_7, &pb1200_cascade_handler ); res = pb1200_setup_cascade();
if (res)
return res;
} }
return;
pb1200_enable_irq(irq);
return 0;
} }
static struct irq_chip external_irq_type = static void pb1200_shutdown_irq(unsigned int irq)
{ {
pb1200_disable_irq(irq);
if (--pb1200_cascade_en == 0)
free_irq(AU1000_GPIO_7, &pb1200_cascade_handler);
}
static struct irq_chip external_irq_type = {
#ifdef CONFIG_MIPS_PB1200 #ifdef CONFIG_MIPS_PB1200
.name = "Pb1200 Ext", .name = "Pb1200 Ext",
#endif #endif
@ -155,16 +145,38 @@ static struct irq_chip external_irq_type =
void _board_init_irq(void) void _board_init_irq(void)
{ {
int irq_nr; unsigned int irq;
for (irq_nr = PB1200_INT_BEGIN; irq_nr <= PB1200_INT_END; irq_nr++) #ifdef CONFIG_MIPS_PB1200
{ /* We have a problem with CPLD rev3. Enable a workaround */
set_irq_chip_and_handler(irq_nr, &external_irq_type, if (((bcsr->whoami & BCSR_WHOAMI_CPLD) >> 4) <= 3) {
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("Pb1200 must be at CPLD rev4. Please have Pb1200\n");
printk("updated to latest revision. This software will not\n");
printk("work on anything less than CPLD rev4\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
printk("\nWARNING!!!\n");
panic("Game over. Your score is 0.");
}
#endif
for (irq = PB1200_INT_BEGIN; irq <= PB1200_INT_END; irq++) {
set_irq_chip_and_handler(irq, &external_irq_type,
handle_level_irq); handle_level_irq);
pb1200_disable_irq(irq_nr); pb1200_disable_irq(irq);
} }
/* GPIO_7 can not be hooked here, so it is hooked upon first /*
request of any source attached to the cascade */ * GPIO_7 can not be hooked here, so it is hooked upon first
* request of any source attached to the cascade
*/
} }