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Tue, 29 Jul 2025 02:51:18 -0700 (PDT) Received: from [192.168.1.6] ([2401:4900:8899:25fe:4fe5:6353:8b2b:942c]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7640b4c8762sm7614498b3a.117.2025.07.29.02.51.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Jul 2025 02:51:17 -0700 (PDT) From: Ayush Singh Date: Tue, 29 Jul 2025 15:21:01 +0530 Subject: [PATCH 2/4] spi: Move children registration in a dedicated function Precedence: bulk X-Mailing-List: linux-spi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250729-spi-bus-extension-v1-2-b20c73f2161a@beagleboard.org> References: <20250729-spi-bus-extension-v1-0-b20c73f2161a@beagleboard.org> In-Reply-To: <20250729-spi-bus-extension-v1-0-b20c73f2161a@beagleboard.org> To: Mark Brown , herve.codina@bootlin.com, luca.ceresoli@bootlin.com, conor+dt@kernel.org, Jason Kridner , Deepak Khatri , Dhruva Gole , Robert Nelson , Andrew Davis , Rob Herring , Krzysztof Kozlowski Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Ayush Singh X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=DFCC131EF24F2D656FA504D605CEF5C789E55A74 of_register_spi_devices() perform the loop for registering child devices. In order to prepare the support for spi bus extensions, extract this registration loop and move it in a dedicated function. Signed-off-by: Ayush Singh --- drivers/spi/spi.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 0030e0be0d9b2f9e2b0c4a1d806b42bdb4ecb5d2..ea271e37c72d3dc099c5147ec404050ee0bbf046 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -2524,21 +2524,16 @@ of_register_spi_device(struct spi_controller *ctlr, struct device_node *nc) return ERR_PTR(rc); } -/** - * of_register_spi_devices() - Register child devices onto the SPI bus - * @ctlr: Pointer to spi_controller device - * - * Registers an spi_device for each child node of controller node which - * represents a valid SPI target device. - */ -static void of_register_spi_devices(struct spi_controller *ctlr) +static void of_register_spi_children(struct spi_controller *ctlr, + struct device_node *node) { struct spi_device *spi; struct device_node *nc; - for_each_available_child_of_node(ctlr->dev.of_node, nc) { + for_each_available_child_of_node(node, nc) { if (of_node_test_and_set_flag(nc, OF_POPULATED)) continue; + spi = of_register_spi_device(ctlr, nc); if (IS_ERR(spi)) { dev_warn(&ctlr->dev, @@ -2547,6 +2542,18 @@ static void of_register_spi_devices(struct spi_controller *ctlr) } } } + +/** + * of_register_spi_devices() - Register child devices onto the SPI bus + * @ctlr: Pointer to spi_controller device + * + * Registers an spi_device for each child node of controller node which + * represents a valid SPI target device. + */ +static void of_register_spi_devices(struct spi_controller *ctlr) +{ + of_register_spi_children(ctlr, ctlr->dev.of_node); +} #else static void of_register_spi_devices(struct spi_controller *ctlr) { } #endif -- 2.50.1