linux-kernel - [PATCH] sparc64: Oracle DAX driver depends on SPARC64

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Message-Id: <1519687278-9785-1-git-send-email-linux@roeck-us.net>
Date:   Mon, 26 Feb 2018 15:21:18 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>,
        Kees Cook <keescook@...omium.org>
Subject: [PATCH] sparc64: Oracle DAX driver depends on SPARC64

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@...omium.org>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/sbus/char/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/sbus/char/Kconfig b/drivers/sbus/char/Kconfig
index a785aa7660c3..bf3c5f735614 100644
--- 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.
-- 
2.7.4