linux-kernel - [PATCH 2/3] mmc: core: make mmc_bus

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Message-Id: <20240203-bus_cleanup-mmc-v1-2-ad054dce8dc3@marliere.net>
Date: Sat, 03 Feb 2024 16:02:01 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH 2/3] mmc: core: make mmc_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the mmc_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@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
 drivers/mmc/core/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 0af96548e7da..48daeafdff7a 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -214,7 +214,7 @@ static const struct dev_pm_ops mmc_bus_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(mmc_bus_suspend, mmc_bus_resume)
 };

-static struct bus_type mmc_bus_type = {
+static const struct bus_type mmc_bus_type = {
 	.name		= "mmc",
 	.dev_groups	= mmc_dev_groups,
 	.uevent		= mmc_bus_uevent,

-- 
2.43.0