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[91.118.163.37]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5b83b82f308sm5004088a12.63.2024.08.05.07.50.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Aug 2024 07:50:16 -0700 (PDT) From: Javier Carrasco Date: Mon, 05 Aug 2024 16:49:47 +0200 Subject: [PATCH v3 4/4] net: mvpp2: use device_for_each_child_node() to access device child nodes Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240805-device_for_each_child_node-available-v3-4-48243a4aa5c0@gmail.com> References: <20240805-device_for_each_child_node-available-v3-0-48243a4aa5c0@gmail.com> In-Reply-To: <20240805-device_for_each_child_node-available-v3-0-48243a4aa5c0@gmail.com> To: Greg Kroah-Hartman , "Rafael J. Wysocki" , Andy Shevchenko , Jonathan Cameron , Rob Herring , Daniel Scally , Heikki Krogerus , Sakari Ailus , Jean Delvare , Guenter Roeck , Pavel Machek , Lee Jones , Marcin Wojtas , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andreas Kemnade Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-leds@vger.kernel.org, netdev@vger.kernel.org, Javier Carrasco , Jonathan Cameron X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1722869407; l=2385; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=Gs9fUy9yW4JBBaoGjjHZoItLt9sngv838Y8XASfxmd0=; b=ihHIaYtp6T390sCfrty1YjNtAYZGThIeMtguLLHG6L01jXTjdSZMRrfQVtNCN4wVYLLhSbRXX /RuF4YN2ObTAcdrI40NuECuErDk+DxTOna13wsTN0raOuLMubO8ZQZG X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= The iterated nodes are direct children of the device node, and the `device_for_each_child_node()` macro accounts for child node availability. `fwnode_for_each_available_child_node()` is meant to access the child nodes of an fwnode, and therefore not direct child nodes of the device node. The child nodes within mvpp2_probe are not accessed outside the loops, and the scoped version of the macro can be used to automatically decrement the refcount on early exits. Use `device_for_each_child_node()` and its scoped variant to indicate device's direct child nodes. Reviewed-by: Jonathan Cameron Signed-off-by: Javier Carrasco --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 0b5b2425de12..216cc7b860d6 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7417,8 +7417,6 @@ static int mvpp2_get_sram(struct platform_device *pdev, static int mvpp2_probe(struct platform_device *pdev) { - struct fwnode_handle *fwnode = pdev->dev.fwnode; - struct fwnode_handle *port_fwnode; struct mvpp2 *priv; struct resource *res; void __iomem *base; @@ -7591,7 +7589,7 @@ static int mvpp2_probe(struct platform_device *pdev) } /* Map DTS-active ports. Should be done before FIFO mvpp2_init */ - fwnode_for_each_available_child_node(fwnode, port_fwnode) { + device_for_each_child_node_scoped(&pdev->dev, port_fwnode) { if (!fwnode_property_read_u32(port_fwnode, "port-id", &i)) priv->port_map |= BIT(i); } @@ -7614,7 +7612,7 @@ static int mvpp2_probe(struct platform_device *pdev) goto err_axi_clk; /* Initialize ports */ - fwnode_for_each_available_child_node(fwnode, port_fwnode) { + device_for_each_child_node_scoped(&pdev->dev, port_fwnode) { err = mvpp2_port_probe(pdev, port_fwnode, priv); if (err < 0) goto err_port_probe; @@ -7653,8 +7651,6 @@ static int mvpp2_probe(struct platform_device *pdev) return 0; err_port_probe: - fwnode_handle_put(port_fwnode); - for (i = 0; i < priv->port_count; i++) mvpp2_port_remove(priv->port_list[i]); err_axi_clk: