linux-kernel - [PATCH 4.19 112/116] MIPS: ralink: export rt_sysc_membase for rt2880

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Message-Id: <20210531130643.911662126@linuxfoundation.org>
Date:   Mon, 31 May 2021 15:14:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ana.be>,
        John Crispin <john@...ozen.org>, linux-mips@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 112/116] MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c

From: Randy Dunlap <rdunlap@...radead.org>

[ Upstream commit fef532ea0cd871afab7d9a7b6e9da99ac2c24371 ]

rt2880_wdt.c uses (well, attempts to use) rt_sysc_membase. However,
when this watchdog driver is built as a loadable module, there is a
build error since the rt_sysc_membase symbol is not exported.
Export it to quell the build error.

ERROR: modpost: "rt_sysc_membase" [drivers/watchdog/rt2880_wdt.ko] undefined!

Fixes: 473cf939ff34 ("watchdog: add ralink watchdog driver")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Guenter Roeck <linux@...ck-us.net>
Cc: Wim Van Sebroeck <wim@...ana.be>
Cc: John Crispin <john@...ozen.org>
Cc: linux-mips@...r.kernel.org
Cc: linux-watchdog@...r.kernel.org
Acked-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/mips/ralink/of.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 1ada8492733b..92b3d4849996 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -10,6 +10,7 @@
 
 #include <linux/io.h>
 #include <linux/clk.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/sizes.h>
 #include <linux/of_fdt.h>
@@ -27,6 +28,7 @@
 
 __iomem void *rt_sysc_membase;
 __iomem void *rt_memc_membase;
+EXPORT_SYMBOL_GPL(rt_sysc_membase);
 
 __iomem void *plat_of_remap_node(const char *node)
 {
-- 
2.30.2