linux-kernel - [PATCH] MIPS: ralink: of: fix build of rt2880

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Date:   Fri, 14 May 2021 09:17:50 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mips@...r.kernel.org, John Crispin <john@...ozen.org>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] MIPS: ralink: of: fix build of rt2880_wdt watchdog module

When rt2880_wdt watchdog driver is built as a module, the
rt_sysc_membase needs to be exported (it is being used via inlined
rt_sysc_r32):

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

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
---
 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 0c5de07da097..b3ce706426c4 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -24,6 +24,8 @@
 #include "common.h"
 
 __iomem void *rt_sysc_membase;
+EXPORT_SYMBOL_GPL(rt_sysc_membase);
+
 __iomem void *rt_memc_membase;
 
 __iomem void *plat_of_remap_node(const char *node)
-- 
2.27.0