linux-kernel - [PATCH] mtd: rawnand: ams-delta: Fix non-OF build warning

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Message-Id: <20200919080403.17520-1-jmkrzyszt@gmail.com>
Date:   Sat, 19 Sep 2020 10:04:03 +0200
From:   Janusz Krzysztofik <jmkrzyszt@...il.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        linux-mtd@...ts.infradead.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org,
        Janusz Krzysztofik <jmkrzyszt@...il.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] mtd: rawnand: ams-delta: Fix non-OF build warning

Commit 7c2f66a960fc ("mtd: rawnand: ams-delta: Add module device
tables") introduced an OF module device table but wrapped a reference
to it with of_match_ptr() which resolves to NULL in non-OF configs.
That resulted in a clang compiler warning on unused variable in non-OF
builds.  Fix it.

drivers/mtd/nand/raw/ams-delta.c:373:34: warning: unused variable 'gpio_nand_of_id_table' [-Wunused-const-variable]
   static const struct of_device_id gpio_nand_of_id_table[] = {
                                    ^
   1 warning generated.

Fixes: 7c2f66a960fc ("mtd: rawnand: ams-delta: Add module device tables")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@...il.com>
---
 drivers/mtd/nand/raw/ams-delta.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index fdba155416d2..0bf4cfc25147 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -400,12 +400,14 @@ static int gpio_nand_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id gpio_nand_of_id_table[] = {
 	{
 		/* sentinel */
 	},
 };
 MODULE_DEVICE_TABLE(of, gpio_nand_of_id_table);
+#endif
 
 static const struct platform_device_id gpio_nand_plat_id_table[] = {
 	{
-- 
2.26.2