4.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Guenter Roeck <linux@xxxxxxxxxxxx> commit 9c548bb5823dfcf7a16c6e65976d84d9581208c9 upstream. sparc:allmodconfig fails to build as follows. ERROR: "mdesc_release" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_hvapi_register" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_get_property" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_node_by_name" [drivers/sbus/char/oradax.ko] undefined! ERROR: "mdesc_grab" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_info" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_submit" [drivers/sbus/char/oradax.ko] undefined! ERROR: "sun4v_ccb_kill" [drivers/sbus/char/oradax.ko] undefined! The symbols are only available with SPARC64 builds, thus the driver depends on it. Fixes: dd0273284c74 ("sparc64: Oracle DAX driver") Cc: Kees Cook <keescook@xxxxxxxxxxxx> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/sbus/char/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/sbus/char/Kconfig +++ b/drivers/sbus/char/Kconfig @@ -72,7 +72,8 @@ config DISPLAY7SEG config ORACLE_DAX tristate "Oracle Data Analytics Accelerator" - default m if SPARC64 + depends on SPARC64 + default m help Driver for Oracle Data Analytics Accelerator, which is a coprocessor that performs database operations in hardware.