These regmap_bus structures are only passed as the second argument to __devm_regmap_init or __regmap_init, both of which are const, so the regmap_bus structures can be const too.
Done with the help of Coccinelle. --- drivers/base/regmap/regmap-spi.c | 2 +- drivers/base/regmap/regmap-spmi.c | 4 ++-- drivers/bus/sunxi-rsb.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)

