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mips: sgi-ip22: make gio_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the gio_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Ricardo B. Marliere 2024-02-04 12:06:57 -03:00 committed by Thomas Bogendoerfer
parent 5033ad5660
commit fa494c0190
1 changed files with 2 additions and 2 deletions
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4
arch/mips/sgi-ip22/ip22-gio.c
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@ -12,7 +12,7 @@
#include <asm/sgi/mc.h>
#include <asm/sgi/ip22.h>
static struct bus_type gio_bus_type;
static const struct bus_type gio_bus_type;
static struct {
const char *name;
@ -378,7 +378,7 @@ static void ip22_check_gio(int slotno, unsigned long addr, int irq)
printk(KERN_INFO "GIO: slot %d : Empty\n", slotno);
}
static struct bus_type gio_bus_type = {
static const struct bus_type gio_bus_type = {
.name = "gio",
.dev_groups = gio_dev_groups,
.match = gio_bus_match,