linux-kernel - [PATCH 5.12 251/677] nvmem: rmem: fix undefined reference to memremap

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Date:   Wed, 12 May 2021 16:44:57 +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, kernel test robot <lkp@...el.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 251/677] nvmem: rmem: fix undefined reference to memremap

From: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

[ Upstream commit cc1bc56fdc76a55bb8fae9a145a2e60bf22fb129 ]

Fix below error reporte by kernel test robot
rmem.c:(.text+0x14e): undefined reference to memremap
s390x-linux-gnu-ld: rmem.c:(.text+0x1b6): undefined reference to memunmap

Fixes: 5a3fa75a4d9c ("nvmem: Add driver to expose reserved memory as nvmem")
Reported-by: kernel test robot <lkp@...el.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Link: https://lore.kernel.org/r/20210330111241.19401-9-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvmem/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvmem/Kconfig b/drivers/nvmem/Kconfig
index 75d2594c16e1..267a0d9e99ba 100644
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -272,6 +272,7 @@ config SPRD_EFUSE
 
 config NVMEM_RMEM
 	tristate "Reserved Memory Based Driver Support"
+	depends on HAS_IOMEM
 	help
 	  This driver maps reserved memory into an nvmem device. It might be
 	  useful to expose information left by firmware in memory.
-- 
2.30.2