The only usage of pcf_attr_group is to pass its address to
sysfs_create_group() and sysfs_remove_group(), both which takes pointers
to const attribute_group structs. Make it const to allow the compiler to
put it in read-only memory.

Done with the help of coccinelle.

Signed-off-by: Rikard Falkeborn <rikard.falkeb...@gmail.com>
---
 drivers/mfd/pcf50633-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 148bcd6120f4..0768d684113a 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -131,7 +131,7 @@ static struct attribute *pcf_sysfs_entries[] = {
        NULL,
 };
 
-static struct attribute_group pcf_attr_group = {
+static const struct attribute_group pcf_attr_group = {
        .name   = NULL,                 /* put in device directory */
        .attrs  = pcf_sysfs_entries,
 };
-- 
2.30.0

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