From patchwork Sat Feb 10 15:15:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ricardo B. 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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707578073; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=O1YK2Xi7YoM6Fuw/uyfUPTKNXnj0Kxs588qJa21lTm4=; b=ml2Dfs/ycTINTElcOg8QE2BFISiBR6ggIOrwVGol9uIuyfwPY8uttZRR5ks6rlsBYiNnXN hcBIxaDSea7L63Q9J/0Z+lDI14bYG7wGLgOO0oCPMj9eem3W5tnXAwnhS/gaZ2OYOuUn8W 0HU0LPtyscwUdFZPQLwGXsBn56JpD+mT837sAEDzOGGSMQicKU4Nvzx/3dvi5MxQsuKJMs XtY5MDECvVpx01wXrpRZRy5AjYioRpislfmqch0q+kZT3ifG4jxzANjJIc5ho3sAjvRQjT eSHrJ9zXen+vddFKdDehVZnC1K+iaZcWeTCJXnDQJzHK6NHAItm7XPGjYK8afw== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Sat, 10 Feb 2024 12:15:01 -0300 Subject: [PATCH 1/2] Input: synaptics-rmi4 - make rmi_bus_type const Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240210-bus_cleanup-input2-v1-1-0daef7e034e0@marliere.net> References: <20240210-bus_cleanup-input2-v1-0-0daef7e034e0@marliere.net> In-Reply-To: <20240210-bus_cleanup-input2-v1-0-0daef7e034e0@marliere.net> To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1558; i=ricardo@marliere.net; h=from:subject:message-id; bh=nd1L9dsPPe4pngs/YiF6AK1x1qGLgM6QNIrQbX5TN/4=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlx5L5/4DucfC8X49Z3npp/MXnWapGcnKf32oMU nGVkTlnWymJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZceS+QAKCRDJC4p8Y4ZY phMqD/95yAoKPPBvjJHk2CFOTXRI25iw6mZ4Of4kaFPvmMIeIgGGTAb5hoo2QiFXj/KPbw8CWSh YcJP15jwWWL/y0YoxKQWBZ0EuMf85j7IiQH5PP9clsSSOYvHdTkBFJwTkhklSzsDN/KqPBYnMsN aTEM1MPDln2HTg//+hfgmiHk7aHBoBwtOc6/wm5W8VpGcwLJ3YWm4PleumV37bKSBX93Kg6HyW3 HmQKBLwKYhgWWsxvxvY4CMhJ/MENpAbv6MAyrcycuZk97O4mvoy+Z3IqkSNngGi165xqaQA0laz dYzYrG+JbMYpWoJaVaEw3wHn2DeLqDMKWF89VaJ0q0gP6JuoyzT8gAt/AsBIUQ8cTe1cMcNiIgs n0V9zW0P5AsMH4bq9fZlloHfx9mHrCfjWnOi2Xjn7hCr/KjBJCvxqWakTVgPF9R+hPm8tByKZ4M sb6wvwU/6ZaoLxHk6nCRNF/uyBIjYxC+/HqtKYAkYE0pGuGazhGnmxxO/CIcyDr/n4v/LsKqFmy 8sAqItaN9TnviaIGgHX2prM9KIzbk2mdCREE6LTwF7CF/MUVfPVacyyLwRrfkT4EObbQy5tS+pN XtURW4NWQTHhy7V0xRJRW4iToF5FhPAGZm7AtkJjt797E1pULIIiyHrV9X4g8mcgIuF/SfAzrPK jfvVVfqE8EM49KQ== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Now that the driver core can properly handle constant struct bus_type, move the variable rmi_bus_type to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- drivers/input/rmi4/rmi_bus.c | 2 +- drivers/input/rmi4/rmi_bus.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c index 1b45b1d3077d..343030290d78 100644 --- a/drivers/input/rmi4/rmi_bus.c +++ b/drivers/input/rmi4/rmi_bus.c @@ -344,7 +344,7 @@ static int rmi_bus_match(struct device *dev, struct device_driver *drv) return physical || rmi_function_match(dev, drv); } -struct bus_type rmi_bus_type = { +const struct bus_type rmi_bus_type = { .match = rmi_bus_match, .name = "rmi4", }; diff --git a/drivers/input/rmi4/rmi_bus.h b/drivers/input/rmi4/rmi_bus.h index 25df6320f9f1..ea46ad9447ec 100644 --- a/drivers/input/rmi4/rmi_bus.h +++ b/drivers/input/rmi4/rmi_bus.h @@ -185,7 +185,7 @@ static inline int rmi_write_block(struct rmi_device *d, u16 addr, int rmi_for_each_dev(void *data, int (*func)(struct device *dev, void *data)); -extern struct bus_type rmi_bus_type; +extern const struct bus_type rmi_bus_type; int rmi_of_property_read_u32(struct device *dev, u32 *result, const char *prop, bool optional); From patchwork Sat Feb 10 15:15:02 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ricardo B. 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Cc: Greg Kroah-Hartman Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- drivers/input/serio/serio.c | 2 +- include/linux/serio.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c index 767fc9efb4a8..a8838b522627 100644 --- a/drivers/input/serio/serio.c +++ b/drivers/input/serio/serio.c @@ -1007,7 +1007,7 @@ irqreturn_t serio_interrupt(struct serio *serio, } EXPORT_SYMBOL(serio_interrupt); -struct bus_type serio_bus = { +const struct bus_type serio_bus = { .name = "serio", .drv_groups = serio_driver_groups, .match = serio_bus_match, diff --git a/include/linux/serio.h b/include/linux/serio.h index 6c27d413da92..7ca41af93b37 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -15,7 +15,7 @@ #include #include -extern struct bus_type serio_bus; +extern const struct bus_type serio_bus; struct serio { void *port_data;