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| author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-13 11:49:24 -0300 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2024-02-20 13:36:34 +0100 |
| commit | eac95d5ae4f872201f6da274af1cd372970af521 (patch) | |
| tree | 0ff67fecdb1c93084420d489c7dd7a95079aaf27 | |
| parent | aaf2230036b709f979caccfbaa7a8bf671c22124 (diff) | |
| download | lwn-eac95d5ae4f872201f6da274af1cd372970af521.tar.gz lwn-eac95d5ae4f872201f6da274af1cd372970af521.zip | |
mips: bus: make mips_cdmm_bustype const
Now that the driver core can properly handle constant struct bus_type,
move the mips_cdmm_bustype 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>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
| -rw-r--r-- | arch/mips/include/asm/cdmm.h | 2 | ||||
| -rw-r--r-- | drivers/bus/mips_cdmm.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h index c06dbf8ba937..81fa99084178 100644 --- a/arch/mips/include/asm/cdmm.h +++ b/arch/mips/include/asm/cdmm.h @@ -63,7 +63,7 @@ struct mips_cdmm_driver { */ phys_addr_t mips_cdmm_phys_base(void); -extern struct bus_type mips_cdmm_bustype; +extern const struct bus_type mips_cdmm_bustype; void __iomem *mips_cdmm_early_probe(unsigned int dev_type); #define to_mips_cdmm_device(d) container_of(d, struct mips_cdmm_device, dev) diff --git a/drivers/bus/mips_cdmm.c b/drivers/bus/mips_cdmm.c index 554e1992edd4..8baf14bd5eff 100644 --- a/drivers/bus/mips_cdmm.c +++ b/drivers/bus/mips_cdmm.c @@ -118,7 +118,7 @@ static struct attribute *mips_cdmm_dev_attrs[] = { }; ATTRIBUTE_GROUPS(mips_cdmm_dev); -struct bus_type mips_cdmm_bustype = { +const struct bus_type mips_cdmm_bustype = { .name = "cdmm", .dev_groups = mips_cdmm_dev_groups, .match = mips_cdmm_match, |