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From: "Ricardo B. Marliere" <ricardo@marliere.net>
Date: Sat, 03 Feb 2024 16:02:00 -0300
Subject: [PATCH 1/3] mmc: core: make mmc_rpmb_bus_type const
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Message-Id: <20240203-bus_cleanup-mmc-v1-1-ad054dce8dc3@marliere.net>
References: <20240203-bus_cleanup-mmc-v1-0-ad054dce8dc3@marliere.net>
In-Reply-To: <20240203-bus_cleanup-mmc-v1-0-ad054dce8dc3@marliere.net>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@marliere.net>

Now that the driver core can properly handle constant struct bus_type,
move the mmc_rpmb_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>
---
 drivers/mmc/core/block.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index a9b60b91e32f..bd165cef2bbc 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -144,7 +144,7 @@ struct mmc_blk_data {
 static dev_t mmc_rpmb_devt;
 
 /* Bus type for RPMB character devices */
-static struct bus_type mmc_rpmb_bus_type = {
+static const struct bus_type mmc_rpmb_bus_type = {
 	.name = "mmc_rpmb",
 };
 

-- 
2.43.0