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Fri, 07 Nov 2025 00:16:22 -0800 (PST) Received: from [127.0.1.1] ([178.197.219.123]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-42ac679d544sm4058381f8f.46.2025.11.07.00.16.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Nov 2025 00:16:22 -0800 (PST) From: Krzysztof Kozlowski Date: Fri, 07 Nov 2025 09:15:49 +0100 Subject: [PATCH v2 2/6] hwrng: bcm2835 - Simplify with of_device_get_match_data() Precedence: bulk X-Mailing-List: linux-crypto@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: <20251107-crypto-of-match-v2-2-a0ea93e24d2a@linaro.org> References: <20251107-crypto-of-match-v2-0-a0ea93e24d2a@linaro.org> In-Reply-To: <20251107-crypto-of-match-v2-0-a0ea93e24d2a@linaro.org> To: Olivia Mackall , Herbert Xu , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Jesper Nilsson , Lars Persson , "David S. Miller" , Tom Lendacky , John Allen , Srujana Challa , Bharat Bhushan Cc: linux-crypto@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@axis.com, Krzysztof Kozlowski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1474; i=krzysztof.kozlowski@linaro.org; h=from:subject:message-id; bh=KzWXn+yRUUjpBHJaXgRwSAXb1HJyVmNmYBGEb7asavE=; b=owEBbQKS/ZANAwAKAcE3ZuaGi4PXAcsmYgBpDarNNAJtIDGyF0BhraA4Wnr5mnztF9FLWAyE4 QqQdRi0AUaJAjMEAAEKAB0WIQTd0mIoPREbIztuuKjBN2bmhouD1wUCaQ2qzQAKCRDBN2bmhouD 15E5D/9wMVJ2fBEQHcIitgPv5MZFIyz/UJUAVG5KpW34AGSs13BNXX9GX9JhxLopOlp4kbCw7LD LM83IxKwW3aPefI/ObmGin+Z8QuT7c4+iBH3BF8oZLMY816wuEvhUUOBK25+MN92Et1e2GK2x47 D+7l2c/Ckz5y/KZKuUaQVx4yqIVYHsDgQMmpYdQo4jAHOZ+vZ4UE5NPul6Di0O4xtNSHbdN9ppU ojKI++kkK2+aHUG5bbdZzh0HlXyYzYnZL2Mwd6d8eH77j5+rcOlmM25j3q2Rm3GHHyQlX72/WqI XyHZLur3iHCfwdLU5i+TnSydF02ZTC2RgmlW8g7JsRaIxaDnv8pG5c9Lv62kuI4uFyc7wpRN1eg D7FH7I5nO86WJUf9XsgTqqyBZ3xHsr372Xlmmcwql4bGQ0W/mtk9x6oINveXqB07jplrUK6jgaT ica/DQIrHkSwtGAYP1d3klEQJl9elCyP2rbqbMAcwCK4ugqTH9sKrItpB7nolG/fooCvwZhscaI tCvarQKE/ugM1/VKq2is7VECZJX9RdjtbVR3JDUqqt32PkTM5xPeCBbusX4Ze9O+FNPhtc9OqYa tJI8rzapmJEkLvPLX93C4eW27wIra8myCvPx1F5zyQh3z8LFN2cgajSoT+1h4eCE9kN+S/Y5yX3 ED+hsjI9pJQgvqw== X-Developer-Key: i=krzysztof.kozlowski@linaro.org; a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Driver's probe function matches against driver's of_device_id table, where each entry has non-NULL match data, so of_match_node() can be simplified with of_device_get_match_data(). Reviewed-by: Florian Fainelli Signed-off-by: Krzysztof Kozlowski --- drivers/char/hw_random/bcm2835-rng.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c index 0b67cfd15b11..6d6ac409efcf 100644 --- a/drivers/char/hw_random/bcm2835-rng.c +++ b/drivers/char/hw_random/bcm2835-rng.c @@ -142,9 +142,7 @@ MODULE_DEVICE_TABLE(of, bcm2835_rng_of_match); static int bcm2835_rng_probe(struct platform_device *pdev) { - const struct bcm2835_rng_of_data *of_data; struct device *dev = &pdev->dev; - const struct of_device_id *rng_id; struct bcm2835_rng_priv *priv; int err; @@ -172,12 +170,10 @@ static int bcm2835_rng_probe(struct platform_device *pdev) priv->rng.cleanup = bcm2835_rng_cleanup; if (dev_of_node(dev)) { - rng_id = of_match_node(bcm2835_rng_of_match, dev->of_node); - if (!rng_id) - return -EINVAL; + const struct bcm2835_rng_of_data *of_data; /* Check for rng init function, execute it */ - of_data = rng_id->data; + of_data = of_device_get_match_data(dev); if (of_data) priv->mask_interrupts = of_data->mask_interrupts; } -- 2.48.1