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Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1707738022; 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; bh=Dj3PGJRjmBSX9qjz7f5Yv+1J0ANJIG2OZjDihmWfICk=; b=q+9/3kHsSlukWcy0nFc5x2+KOd4gtXPFxv/rhZ93R4URxP67MyhnW+ece9HkU1a6xkLFSD 9slRnv1kjEUn2yrYDbd0LOitBSAyaM2SVb/TEztyPpYuPtNj+ZIGirtSnWesALp2dIVcC6 7uUKtpNwA1hzFyTWlHBgnuCD2VUFXIkFYBt6U3M4zqkbb7LVnK7uMySvHJBm1JZsVQgmnC Gr3vvAzrsdl4LsQJeGSNMVxL4T6Es7u/Z1qyDh0QO8SSfDOt1TnjxlIqiYAPLsi+hFspN0 ZBQVYEiQNxGR4a2T+tPR5qEJP3dEqDkORrSThTQh/zh47D0eUJ6ktPOSjkBJoA== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Mon, 12 Feb 2024 08:41:01 -0300 Subject: [PATCH v2] dio: make dio_bus_type const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240212-bus_cleanup-dio-v2-1-3b1ba4c0547d@marliere.net> X-B4-Tracking: v=1; b=H4sIAMwDymUC/3WNQQ6DIBREr2L+ujRAtNWuvEdjGsBP/YkFA0raG O5e6r7LN5N5s0PEQBjhVu0QMFEk7wrIUwVmUu6JjMbCILmsuRSC6S0+zIzKbQsbybOLUVa1HK9 Np6GsloCW3ofxPhSeKK4+fI6DJH7pf1cSTLDS1Nxq08i2618qzIQBzw5XGHLOX5vov1KxAAAA To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1645; i=ricardo@marliere.net; h=from:subject:message-id; bh=ISwS6xN2Yw/M8chV4wQKb1/qoz9l6s3iwaLCZOfBdBk=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlygPNFOQNdBSHJYaPpe8zkPGA5YIC6LAohIaF5 orLzMmm6d2JAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZcoDzQAKCRDJC4p8Y4ZY pjdiD/40coLbzQKwif1wW/9BkbDQDLZxbpdcvKzvO5xbhyrdcP0ertwfumF3w59qu+GrcO/KZdY Oy89V1E7/Tmdi4ykGDtgDelgCBBzHPED5fwOJamLXGdxF1+PfeV/Ns2wI0ShagJKGR3g9/FP7KX f3Fa4Cwg/RbRB2k07Su23sXJXFq16CMrF/FQUXPKB3Lr3KWbdz+pcfpdrBCRapfjaQsr1BVrlnK yezoCS8Wlw9KNXMYKg2I4Y9qYcRCF/0mPRZiw/9+ntZIdqhAmlJJRs5zDEJdyD/B+o0z7c4q8BI oyhs9MUlis4WgQR8xkHdYQaG6t25PbzLjvc1g0BZ6jvejkoWhEsNVcQgkS2Q3tG/F7RB9JhStFi TqD/qtbCi9DNt4hSZY69/C/qWp3JtTw9A7OJxN/pPY8QQqvYyMCQrlHDYvt6HEsLZcKKY389aJx 5niN+oag2DCzxCGjHbLoTVrBPZCMkFOV/QYuxmWWt0LRDDDP9mi2Kzfwzxt46XEvYD5UVWUvYgX 9edvT29jtkRifpvCEQUtHe0Db0z8y91o+stGMFUBZUYbZJT+cWZIUmVsvmpNNux15UranISdSZ8 Vo4DG4Z2egtLEnLytqH+2W5/QZAn736Qw+JVwYujWPJRzBWqwlPV8exOgGWIEYL0p5vbY7FJ5Rr b4Xsa8m4WtIikCA== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790617603287752488 X-GMAIL-MSGID: 1790694767295862256 Now that the driver core can properly handle constant struct bus_type, move the dio_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 Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere Reviewed-by: Greg Kroah-Hartman --- Changes in v2: - Added missing 'const' to dio.h - Link to v1: https://lore.kernel.org/r/20240211-bus_cleanup-dio-v1-1-02140fbc5289@marliere.net --- drivers/dio/dio-driver.c | 2 +- include/linux/dio.h | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- base-commit: 047371968ffc470769f541d6933e262dc7085456 change-id: 20240211-bus_cleanup-dio-6cafa80e759b Best regards, diff --git a/drivers/dio/dio-driver.c b/drivers/dio/dio-driver.c index 69c46935ffc7..2d9fa6011945 100644 --- a/drivers/dio/dio-driver.c +++ b/drivers/dio/dio-driver.c @@ -123,7 +123,7 @@ static int dio_bus_match(struct device *dev, struct device_driver *drv) } -struct bus_type dio_bus_type = { +const struct bus_type dio_bus_type = { .name = "dio", .match = dio_bus_match, .probe = dio_device_probe, diff --git a/include/linux/dio.h b/include/linux/dio.h index 5abd07361eb5..2b5923909f96 100644 --- a/include/linux/dio.h +++ b/include/linux/dio.h @@ -68,7 +68,7 @@ struct dio_bus { }; extern struct dio_bus dio_bus; /* Single DIO bus */ -extern struct bus_type dio_bus_type; +extern const struct bus_type dio_bus_type; /* * DIO device IDs