Since commit aed65af1cc2f ("drivers: make device_type const"), the driver core can properly handle constant struct device_type. Move all the device_type variables used in the bus to be constant structures as well, placing it into read-only memory which can not be modified at runtime.
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <rica...@marliere.net> --- drivers/bus/fsl-mc/fsl-mc-bus.c | 32 ++++++++++++++++---------------- include/linux/fsl/mc.h | 30 +++++++++++++++--------------- 2 files changed, 31 insertions(+), 31 deletions(-) diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c index 78b96cd63de9..f75ca3f0d75a 100644 --- a/drivers/bus/fsl-mc/fsl-mc-bus.c +++ b/drivers/bus/fsl-mc/fsl-mc-bus.c @@ -320,82 +320,82 @@ struct bus_type fsl_mc_bus_type = { }; EXPORT_SYMBOL_GPL(fsl_mc_bus_type); -struct device_type fsl_mc_bus_dprc_type = { +const struct device_type fsl_mc_bus_dprc_type = { .name = "fsl_mc_bus_dprc" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dprc_type); -struct device_type fsl_mc_bus_dpni_type = { +const struct device_type fsl_mc_bus_dpni_type = { .name = "fsl_mc_bus_dpni" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpni_type); -struct device_type fsl_mc_bus_dpio_type = { +const struct device_type fsl_mc_bus_dpio_type = { .name = "fsl_mc_bus_dpio" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpio_type); -struct device_type fsl_mc_bus_dpsw_type = { +const struct device_type fsl_mc_bus_dpsw_type = { .name = "fsl_mc_bus_dpsw" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpsw_type); -struct device_type fsl_mc_bus_dpbp_type = { +const struct device_type fsl_mc_bus_dpbp_type = { .name = "fsl_mc_bus_dpbp" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpbp_type); -struct device_type fsl_mc_bus_dpcon_type = { +const struct device_type fsl_mc_bus_dpcon_type = { .name = "fsl_mc_bus_dpcon" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpcon_type); -struct device_type fsl_mc_bus_dpmcp_type = { +const struct device_type fsl_mc_bus_dpmcp_type = { .name = "fsl_mc_bus_dpmcp" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpmcp_type); -struct device_type fsl_mc_bus_dpmac_type = { +const struct device_type fsl_mc_bus_dpmac_type = { .name = "fsl_mc_bus_dpmac" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpmac_type); -struct device_type fsl_mc_bus_dprtc_type = { +const struct device_type fsl_mc_bus_dprtc_type = { .name = "fsl_mc_bus_dprtc" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dprtc_type); -struct device_type fsl_mc_bus_dpseci_type = { +const struct device_type fsl_mc_bus_dpseci_type = { .name = "fsl_mc_bus_dpseci" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpseci_type); -struct device_type fsl_mc_bus_dpdmux_type = { +const struct device_type fsl_mc_bus_dpdmux_type = { .name = "fsl_mc_bus_dpdmux" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpdmux_type); -struct device_type fsl_mc_bus_dpdcei_type = { +const struct device_type fsl_mc_bus_dpdcei_type = { .name = "fsl_mc_bus_dpdcei" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpdcei_type); -struct device_type fsl_mc_bus_dpaiop_type = { +const struct device_type fsl_mc_bus_dpaiop_type = { .name = "fsl_mc_bus_dpaiop" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpaiop_type); -struct device_type fsl_mc_bus_dpci_type = { +const struct device_type fsl_mc_bus_dpci_type = { .name = "fsl_mc_bus_dpci" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpci_type); -struct device_type fsl_mc_bus_dpdmai_type = { +const struct device_type fsl_mc_bus_dpdmai_type = { .name = "fsl_mc_bus_dpdmai" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpdmai_type); -struct device_type fsl_mc_bus_dpdbg_type = { +const struct device_type fsl_mc_bus_dpdbg_type = { .name = "fsl_mc_bus_dpdbg" }; EXPORT_SYMBOL_GPL(fsl_mc_bus_dpdbg_type); diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index a1b3de87a3d1..4b9311f122e0 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -438,21 +438,21 @@ struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev, extern struct bus_type fsl_mc_bus_type; -extern struct device_type fsl_mc_bus_dprc_type; -extern struct device_type fsl_mc_bus_dpni_type; -extern struct device_type fsl_mc_bus_dpio_type; -extern struct device_type fsl_mc_bus_dpsw_type; -extern struct device_type fsl_mc_bus_dpbp_type; -extern struct device_type fsl_mc_bus_dpcon_type; -extern struct device_type fsl_mc_bus_dpmcp_type; -extern struct device_type fsl_mc_bus_dpmac_type; -extern struct device_type fsl_mc_bus_dprtc_type; -extern struct device_type fsl_mc_bus_dpseci_type; -extern struct device_type fsl_mc_bus_dpdmux_type; -extern struct device_type fsl_mc_bus_dpdcei_type; -extern struct device_type fsl_mc_bus_dpaiop_type; -extern struct device_type fsl_mc_bus_dpci_type; -extern struct device_type fsl_mc_bus_dpdmai_type; +extern const struct device_type fsl_mc_bus_dprc_type; +extern const struct device_type fsl_mc_bus_dpni_type; +extern const struct device_type fsl_mc_bus_dpio_type; +extern const struct device_type fsl_mc_bus_dpsw_type; +extern const struct device_type fsl_mc_bus_dpbp_type; +extern const struct device_type fsl_mc_bus_dpcon_type; +extern const struct device_type fsl_mc_bus_dpmcp_type; +extern const struct device_type fsl_mc_bus_dpmac_type; +extern const struct device_type fsl_mc_bus_dprtc_type; +extern const struct device_type fsl_mc_bus_dpseci_type; +extern const struct device_type fsl_mc_bus_dpdmux_type; +extern const struct device_type fsl_mc_bus_dpdcei_type; +extern const struct device_type fsl_mc_bus_dpaiop_type; +extern const struct device_type fsl_mc_bus_dpci_type; +extern const struct device_type fsl_mc_bus_dpdmai_type; static inline bool is_fsl_mc_bus_dprc(const struct fsl_mc_device *mc_dev) { --- base-commit: b401b621758e46812da61fa58a67c3fd8d91de0d change-id: 20240219-device_cleanup-fsl-mc-b2d8f7a5308d Best regards, -- Ricardo B. Marliere <rica...@marliere.net>