linux-kernel - [PATCH 2/6] media: synopsys: only check errors from devm_clk_bulk_get

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Message-Id: <20260210-imx93-dw-csi2-v1-2-69667bb86bfa@nxp.com>
Date: Tue, 10 Feb 2026 12:11:09 -0500
From: Frank Li <Frank.Li@....com>
To: Michael Riesch <michael.riesch@...labora.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, Guoniu Zhou <guoniu.zhou@....nxp.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, imx@...ts.linux.dev, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH 2/6] media: synopsys: only check errors from
 devm_clk_bulk_get_all()

devm_clk_bulk_get_all() returns all clocks described in the DT, which are
already validated by the binding. Do not need enforce an expected clock
count.

Only check for error returns (< 0) to support more SoCs.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 drivers/media/platform/synopsys/dw-mipi-csi2rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/synopsys/dw-mipi-csi2rx.c b/drivers/media/platform/synopsys/dw-mipi-csi2rx.c
index 0cc892f4a1b3c6ce575a5d4fca7acf7057f7b7f7..61cd7f491b3d5b8a37707b23ca03ce709b40a79f 100644
--- a/drivers/media/platform/synopsys/dw-mipi-csi2rx.c
+++ b/drivers/media/platform/synopsys/dw-mipi-csi2rx.c
@@ -630,7 +630,7 @@ static int dw_mipi_csi2rx_probe(struct platform_device *pdev)
 		return PTR_ERR(csi2->base_addr);
 
 	ret = devm_clk_bulk_get_all(dev, &csi2->clks);
-	if (ret != DW_MIPI_CSI2RX_CLKS_MAX)
+	if (ret < 0)
 		return dev_err_probe(dev, -ENODEV, "failed to get clocks\n");
 	csi2->clks_num = ret;
 

-- 
2.43.0