linux-kernel - [PATCH 1/7] mtd: rawnand: brcm: Simplify with scoped for each OF child loop

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Message-ID: <20260102124927.64703-8-krzysztof.kozlowski@oss.qualcomm.com>
Date: Fri,  2 Jan 2026 13:49:28 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
To: Brian Norris <computersforpeace@...il.com>,
        Kamal Dasu <kamal.dasu@...adcom.com>,
        Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Harvey Hunt <harveyhuntnexus@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Stefan Agner <stefan@...er.ch>,
        Tudor Ambarus <tudor.ambarus@...aro.org>,
        Pratyush Yadav <pratyush@...nel.org>,
        Michael Walle <mwalle@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Bill Wendling <morbo@...gle.com>,
        Justin Stitt <justinstitt@...gle.com>, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, llvm@...ts.linux.dev
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH 1/7] mtd: rawnand: brcm: Simplify with scoped for each OF child loop

Use scoped for-each loop when iterating over device nodes to make code a
bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
---
 drivers/mtd/nand/raw/brcmnand/brcmnand.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/brcmnand.c b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
index 835653bdd5ab..0427d76f45d0 100644
--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
@@ -3298,7 +3298,7 @@ int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc)
 {
 	struct brcmnand_platform_data *pd = dev_get_platdata(&pdev->dev);
 	struct device *dev = &pdev->dev;
-	struct device_node *dn = dev->of_node, *child;
+	struct device_node *dn = dev->of_node;
 	struct brcmnand_controller *ctrl;
 	struct brcmnand_host *host;
 	struct resource *res;
@@ -3486,12 +3486,11 @@ int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc)
 		}
 	}
 
-	for_each_available_child_of_node(dn, child) {
+	for_each_available_child_of_node_scoped(dn, child) {
 		if (of_device_is_compatible(child, "brcm,nandcs")) {
 
 			host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
 			if (!host) {
-				of_node_put(child);
 				ret = -ENOMEM;
 				goto err;
 			}
@@ -3509,10 +3508,9 @@ int brcmnand_probe(struct platform_device *pdev, struct brcmnand_soc *soc)
 
 			ret = brcmnand_init_cs(host, NULL);
 			if (ret) {
-				if (ret == -EPROBE_DEFER) {
-					of_node_put(child);
+				if (ret == -EPROBE_DEFER)
 					goto err;
-				}
+
 				devm_kfree(dev, host);
 				continue; /* Try all chip-selects */
 			}
-- 
2.51.0