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b=mTr/yLisGjkfwXlyIJ9ZtNTKYfmlGSIsuA2wTJiDiQzsNHCZrmNZpNl3Zcd1FVE04UPv+D 5vRjQ17p11IRbKXwl3bheTIMI5YllSi8tv0dQ2bPx3aquHr2n2it6BqTHI4LIbVE1OBFZD LIr3lNcHv6s+yj4W62ZFmNlw73SQJGxXK91OtJvWTnKckOXKuHIkwpakapJ6dk2ElK42Hp 2DbsPdPCNNeTmTU2qT3jsvd6u3JTT+bJSox5VXtC6d2td9KUyPqoIDcscAGsbJl35bnp0V BKUf5UT/xqwZF6ctbYX8iIfBnlokuzVIrSseVFlqImHFP1h1Z9mK3HjT6kEz3A== From: Jean-Michel Hautbois Date: Mon, 24 Nov 2025 14:04:07 +0100 Subject: [PATCH v3 2/3] hwrng: imx-rngc: Use optional clock Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251124-b4-m5441x-add-rng-support-v3-2-f447251dad27@yoseli.org> References: <20251124-b4-m5441x-add-rng-support-v3-0-f447251dad27@yoseli.org> In-Reply-To: <20251124-b4-m5441x-add-rng-support-v3-0-f447251dad27@yoseli.org> To: Greg Ungerer , Geert Uytterhoeven , Olivia Mackall , Herbert Xu , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Jean-Michel Hautbois X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1763989450; l=988; i=jeanmichel.hautbois@yoseli.org; s=20240925; h=from:subject:message-id; bh=fGjuVN/eyqpI1YfOz75w1IalYWvHqVhLRSS3ymtYNZg=; b=URqrjSlLfxew3kIaiALRoQW/ADT/O3pEDUu28AugBnNIKMyuX3rzM7M6PMWDggzCpcLVMbACD cKL5pNEa5soA8h+JSbKgZA2p9hjI3PvFQb9lE7xFeykGsbCLoteyAg9 X-Developer-Key: i=jeanmichel.hautbois@yoseli.org; a=ed25519; pk=MsMTVmoV69wLIlSkHlFoACIMVNQFyvJzvsJSQsn/kq4= X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdeggddvfeekieejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomheplfgvrghnqdfoihgthhgvlhcujfgruhhtsghoihhsuceojhgvrghnmhhitghhvghlrdhhrghuthgsohhisheshihoshgvlhhirdhorhhgqeenucggtffrrghtthgvrhhnpeffjefhtdelhffhheevheeutefghfefteeluedvudfhgeegteeitddtuefhhfelteenucfkphepvdgrtddumegvtdgrmeduieelmeejudegtdemkeeksgefmeehudehfeemtgdvieegmeegfhgsnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegvtdgrmeduieelmeejudegtdemkeeksgefmeehudehfeemtgdvieegmeegfhgspdhhvghlohephihoshgvlhhiqdihohgtthhordihohhsvghlihdrohhrghdpmhgrihhlfhhrohhmpehjvggrnhhmihgthhgvlhdrhhgruhhtsghoihhsseihohhsvghlihdrohhrghdpnhgspghrtghpthhtohepudegpdhrtghpthhtohepjhgvrghnmhhitghhvghlrdhhrghuthgsohhisheshihoshgvlhhirdhorhhgpdhrtghpthhtoheplhhinhhugidqrghrmhdqkhgvrhhnvghlsehlihhsthhsrdhinhhfr hgruggvrggurdhorhhgpdhrtghpthhtohepghgvvghrtheslhhinhhugidqmheikehkrdhorhhgpdhrtghpthhtohephhgvrhgsvghrthesghhonhguohhrrdgrphgrnhgrrdhorhhgrdgruhdprhgtphhtthhopehfvghsthgvvhgrmhesghhmrghilhdrtghomhdprhgtphhtthhopehshhgrfihnghhuoheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepshdrhhgruhgvrhesphgvnhhguhhtrhhonhhigidruggvpdhrtghpthhtohepihhmgieslhhishhtshdrlhhinhhugidruggvvh X-GND-Sasl: jeanmichel.hautbois@yoseli.org Change devm_clk_get() to devm_clk_get_optional() to support platforms where the RNG clock is always enabled and not exposed via the clock framework (such as ColdFire MCF54418). Signed-off-by: Jean-Michel Hautbois Reviewed-by: Frank Li --- drivers/char/hw_random/imx-rngc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/char/hw_random/imx-rngc.c b/drivers/char/hw_random/imx= -rngc.c index 241664a9b5d9ac7244f15cbe5d5302ca3787ebea..d6a847e48339b2758c73c95d57a= 7aa48eb4875e0 100644 --- a/drivers/char/hw_random/imx-rngc.c +++ b/drivers/char/hw_random/imx-rngc.c @@ -259,7 +259,7 @@ static int __init imx_rngc_probe(struct platform_device= *pdev) if (IS_ERR(rngc->base)) return PTR_ERR(rngc->base); =20 - rngc->clk =3D devm_clk_get(&pdev->dev, NULL); + rngc->clk =3D devm_clk_get_optional(&pdev->dev, NULL); if (IS_ERR(rngc->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(rngc->clk), "Cannot get rng_clk= \n"); =20 --=20 2.39.5