linux-kernel - [PATCH] mtd: rawnand: ingenic: fix devm_platform_ioremap

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Message-ID: <alpine.DEB.2.21.1907221834570.3471@hadrien>
Date:   Mon, 22 Jul 2019 18:39:34 -0500 (CDT)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Paul Cercueil <paul@...pouillou.net>
cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Boris Brezillon <bbrezillon@...nel.org>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        himanshujha199640@...il.com
Subject: [PATCH] mtd: rawnand: ingenic: fix devm_platform_ioremap_resource.cocci
 warnings

From: kbuild test robot <lkp@...el.com>

drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c:330:1-9: WARNING: Use devm_platform_ioremap_resource for cs -> base

 Use devm_platform_ioremap_resource helper which wraps
 platform_get_resource() and devm_ioremap_resource() together.

Generated by: scripts/coccinelle/api/devm_platform_ioremap_resource.cocci

Fixes: c403ec33b613 ("mtd: rawnand: ingenic: Fix ingenic_ecc dependency")
CC: Paul Cercueil <paul@...pouillou.net>
Signed-off-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...6.fr>
---

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7b5cf701ea9c395c792e2a7e3b7caf4c68b87721
commit: c403ec33b613a15d9fd8dde37f246b79cd56b5df mtd: rawnand: ingenic: Fix ingenic_ecc dependency
:::::: branch date: 6 hours ago
:::::: commit date: 3 weeks ago

Please take the patch only if it's a positive warning. Thanks!

 ingenic_nand_drv.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

--- a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
@@ -310,7 +310,6 @@ static int ingenic_nand_init_chip(struct
 	struct device *dev = &pdev->dev;
 	struct ingenic_nand *nand;
 	struct ingenic_nand_cs *cs;
-	struct resource *res;
 	struct nand_chip *chip;
 	struct mtd_info *mtd;
 	const __be32 *reg;
@@ -326,8 +325,7 @@ static int ingenic_nand_init_chip(struct

 	jz4780_nemc_set_type(nfc->dev, cs->bank, JZ4780_NEMC_BANK_NAND);

-	res = platform_get_resource(pdev, IORESOURCE_MEM, chipnr);
-	cs->base = devm_ioremap_resource(dev, res);
+	cs->base = devm_platform_ioremap_resource(pdev, chipnr);
 	if (IS_ERR(cs->base))
 		return PTR_ERR(cs->base);