On Thu, 26 Apr 2007 17:34:37 +0900
Yoshinori Sato <[email protected]> wrote:
> h8300 using generic irq handler patch.
>
> Signed-off-by: Yoshinori Sato <[email protected]>
>
Minor things:
>
> --- /dev/null
> +++ b/arch/h8300/kernel/irq.c
> @@ -0,0 +1,211 @@
> +/*
> + * linux/arch/h8300/kernel/irq.c
> + *
> + * Copyright 2007 Yoshinori Sato <[email protected]>
> + */
> +
> +#include <linux/module.h>
> +#include <linux/types.h>
> +#include <linux/kernel.h>
> +#include <linux/sched.h>
> +#include <linux/kernel_stat.h>
> +#include <linux/seq_file.h>
> +#include <linux/init.h>
> +#include <linux/random.h>
> +#include <linux/bootmem.h>
> +#include <linux/irq.h>
> +
> +#include <asm/system.h>
> +#include <asm/traps.h>
> +#include <asm/io.h>
> +#include <asm/setup.h>
> +#include <asm/errno.h>
> +
> +/*#define DEBUG*/
> +
> +extern unsigned long *interrupt_redirect_table;
> +extern const int h8300_saved_vectors[];
> +extern const unsigned long h8300_trap_table[];
> +int h8300_enable_irq_pin(unsigned int irq);
> +void h8300_disable_irq_pin(unsigned int irq);
Please always avoid putting extern declarations into C files. Please them
in a header file which is visible tot he definition site asw well as all
callers/users.
For something which is defined in assembly code (like
interrupt_redirect_table) it isn't so clear, because we cannot do
typechecking. But I think it's still best to include the declaration in a
header file so that we only have to declare it once. Plus it _is_ a global
symbol.
> +
> +/*
> + * h8300 interrupt controler implementation
> + */
> +struct irq_chip h8300irq_chip = {
> + .name = "H8300-INTC",
> + .startup = h8300_startup_irq,
> + .shutdown = h8300_shutdown_irq,
> + .enable = h8300_enable_irq,
> + .disable = h8300_disable_irq,
> + .ack = NULL,
> + .end = h8300_end_irq,
> +};
I think this could have static scope.
> +void ack_bad_irq(unsigned int irq)
> +{
> + printk("unexpected IRQ trap at vector %02x\n", irq);
> +}
printks should generally have facility levels (KERN_*)
> + panic("interrupt vector serup failed.");
typo
> + for ( i = 0; i < NR_IRQS; i++) {
for (i = 0
> + if (i == *saved_vector) {
> + ramvec_p++;
> + saved_vector++;
> + } else {
> + if ( i < NR_TRAPS ) {
if (i < NR_TRAPS)
-
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