2017-08-17 13:34:35

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] tty: hvc_vio: constify vio_device_id

vio_device_id are not supposed to change at runtime. All functions
working with vio_device_id provided by <asm/vio.h> work with
const vio_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/tty/hvc/hvc_vio.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/hvc/hvc_vio.c b/drivers/tty/hvc/hvc_vio.c
index b05dc50..39002a1 100644
--- a/drivers/tty/hvc/hvc_vio.c
+++ b/drivers/tty/hvc/hvc_vio.c
@@ -53,7 +53,7 @@

static const char hvc_driver_name[] = "hvc_console";

-static struct vio_device_id hvc_driver_table[] = {
+static const struct vio_device_id hvc_driver_table[] = {
{"serial", "hvterm1"},
#ifndef HVC_OLD_HVSI
{"serial", "hvterm-protocol"},
--
2.7.4


2017-08-17 13:34:40

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] tty: hvcs: constify vio_device_id

vio_device_id are not supposed to change at runtime. All functions
working with vio_device_id provided by <asm/vio.h> work with
const vio_device_id. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/tty/hvc/hvcs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index 79cc5be..7320190 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -675,7 +675,7 @@ static int khvcsd(void *unused)
return 0;
}

-static struct vio_device_id hvcs_driver_table[] = {
+static const struct vio_device_id hvcs_driver_table[] = {
{"serial-server", "hvterm2"},
{ "", "" }
};
--
2.7.4