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Message-Id: <20240305-class_cleanup-remoteproc2-v1-1-1b139e9828c9@marliere.net>
Date: Tue, 05 Mar 2024 16:40:23 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
"Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] remoteproc: make rproc_class constant
Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the rproc_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
drivers/remoteproc/remoteproc_internal.h | 2 +-
drivers/remoteproc/remoteproc_sysfs.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/remoteproc/remoteproc_internal.h b/drivers/remoteproc/remoteproc_internal.h
index f62a82d71dfa..0cd09e67ac14 100644
--- a/drivers/remoteproc/remoteproc_internal.h
+++ b/drivers/remoteproc/remoteproc_internal.h
@@ -72,7 +72,7 @@ void rproc_init_debugfs(void);
void rproc_exit_debugfs(void);
/* from remoteproc_sysfs.c */
-extern struct class rproc_class;
+extern const struct class rproc_class;
int rproc_init_sysfs(void);
void rproc_exit_sysfs(void);
diff --git a/drivers/remoteproc/remoteproc_sysfs.c b/drivers/remoteproc/remoteproc_sysfs.c
index 8c7ea8922638..138e752c5e4e 100644
--- a/drivers/remoteproc/remoteproc_sysfs.c
+++ b/drivers/remoteproc/remoteproc_sysfs.c
@@ -254,7 +254,7 @@ static const struct attribute_group *rproc_devgroups[] = {
NULL
};
-struct class rproc_class = {
+const struct class rproc_class = {
.name = "remoteproc",
.dev_groups = rproc_devgroups,
};
---
base-commit: 8b46dc5cfa5ffea279aed0fc05dc4b1c39a51517
change-id: 20240305-class_cleanup-remoteproc2-f1212934f990
Best regards,
--
Ricardo B. Marliere <ricardo@...liere.net>
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