linux-kernel - [PATCH v1 2/7] mtd: rawnand: add unspecified HAS

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Message-Id: <20191211192742.95699-3-brendanhiggins@google.com>
Date:   Wed, 11 Dec 2019 11:27:37 -0800
From:   Brendan Higgins <brendanhiggins@...gle.com>
To:     jdike@...toit.com, richard@....at, anton.ivanov@...bridgegreys.com,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        Piotr Sroka <piotrs@...ence.com>
Cc:     linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org,
        davidgow@...gle.com, Brendan Higgins <brendanhiggins@...gle.com>,
        linux-mtd@...ts.infradead.org
Subject: [PATCH v1 2/7] mtd: rawnand: add unspecified HAS_IOMEM dependency

Currently CONFIG_MTD_NAND_CADENCE implicitly depends on
CONFIG_HAS_IOMEM=y; consequently, on architectures without IOMEM we get
the following build error:

ld: drivers/mtd/nand/raw/cadence-nand-controller.o: in function `cadence_nand_dt_probe.cold.31':
drivers/mtd/nand/raw/cadence-nand-controller.c:2969: undefined reference to `devm_platform_ioremap_resource'
ld: drivers/mtd/nand/raw/cadence-nand-controller.c:2977: undefined reference to `devm_ioremap_resource'

Fix the build error by adding the unspecified dependency.

Reported-by: Brendan Higgins <brendanhiggins@...gle.com>
Signed-off-by: Brendan Higgins <brendanhiggins@...gle.com>
---
 drivers/mtd/nand/raw/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 74fb91adeb469..a80a46bb5b8bc 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -452,7 +452,7 @@ config MTD_NAND_PLATFORM
 
 config MTD_NAND_CADENCE
 	tristate "Support Cadence NAND (HPNFC) controller"
-	depends on OF || COMPILE_TEST
+	depends on (OF || COMPILE_TEST) && HAS_IOMEM
 	help
 	  Enable the driver for NAND flash on platforms using a Cadence NAND
 	  controller.
-- 
2.24.0.525.g8f36a354ae-goog