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s390/ap: make ap_bus_type const

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Now that the driver core can properly handle constant struct bus_type,
move the ap_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>
Reviewed-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20240203-bus_cleanup-s390-v1-5-ac891afc7282@marliere.net
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Ricardo B. Marliere
2024-02-03 11:58:02 -03:00
committed by Heiko Carstens
parent 7090dadbe7
commit 5b43178754
1 changed files with 2 additions and 2 deletions
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4
drivers/s390/crypto/ap_bus.c
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@@ -135,7 +135,7 @@ static int ap_max_domain_id = 15;
/* Maximum adapter id, if not given via qci */
static int ap_max_adapter_id = 63;
static struct bus_type ap_bus_type;
static const struct bus_type ap_bus_type;
/* Adapter interrupt definitions */
static void ap_interrupt_handler(struct airq_struct *airq,
@@ -1603,7 +1603,7 @@ static struct attribute *ap_bus_attrs[] = {
};
ATTRIBUTE_GROUPS(ap_bus);
static struct bus_type ap_bus_type = {
static const struct bus_type ap_bus_type = {
.name = "ap",
.bus_groups = ap_bus_groups,
.match = &ap_bus_match,