From nobody Tue Dec 2 00:02:41 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EC883221FDE; Wed, 26 Nov 2025 07:08:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764140891; cv=none; b=twSo23e3nwjLvqe9ZMuFGuXS6Y1GI2vxhlsoImeQJaSS73RPTbzfRKW41WKnPHfrwY7nSDomKrHKNY6CajjebtPQ2K/SYcS+IUNDGMuwD1BhkDyHK9UlSKhlAlTkuto9/zBZH5uyUOTHTW7PEHIrhP6pGG4jHcjbpZEh5R51ovI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764140891; c=relaxed/simple; bh=Da6NAj4w3l/HOWxmh1R0GzL6Mu+qL67wXcnQ+g/a0Fo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=gNiAaJ7zOht/Iajg0+i+dl15TvF+Ad0432yISMZ/hY6BLJTthAY5akbONsx5DcmNYxaI3OBTp8sbg0Az7f2z6fyUh1bb3KenEcMATsHsoSs8qGlwozNOs5EAYWHbWz8HrkqYKh68AtlDqrFRDVVgy7IOSARFeSN+ngtkXC6p64U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qR6CsCBp; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qR6CsCBp" Received: by smtp.kernel.org (Postfix) with ESMTPS id 88E35C113D0; Wed, 26 Nov 2025 07:08:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764140890; bh=Da6NAj4w3l/HOWxmh1R0GzL6Mu+qL67wXcnQ+g/a0Fo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qR6CsCBpN360yEKVRUpbWBOBxL0pwARl93hC5mXUgF1TT2GHUWqDDYJPjcYtWm9a8 QLdacWsnDtI+meVMDglLe/MPSmUoEchUqFRDtjqYvTmgDs2+UJyKJp/EgNyqRlWcE+ 6ywnf8NiYfeyKLvunf4gdWHDLvvK9t5gOmx1m9xj3M0jCHs0U1sf7vuWgHE53/JHNH wVUgKoB0JK7BKKBNT+n8cRpfvGZS8wUcaOf8dS9vkRz/MvlJy0oCsQ+vLAnYXMdC+5 4bKYfFXipllQG6Cs4F/pNJ3ZA1QvVx/ZzOsFeIOtBSd+FJpdWFgSTnQ6HpzA5Ygowc qI0QpozcT7NYQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7CFA2D10384; Wed, 26 Nov 2025 07:08:10 +0000 (UTC) From: Jean-Michel Hautbois via B4 Relay Date: Wed, 26 Nov 2025 08:08:09 +0100 Subject: [PATCH v4 1/2] 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: <20251126-b4-m5441x-add-rng-support-v4-1-5309548c9555@yoseli.org> References: <20251126-b4-m5441x-add-rng-support-v4-0-5309548c9555@yoseli.org> In-Reply-To: <20251126-b4-m5441x-add-rng-support-v4-0-5309548c9555@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 , Frank Li X-Mailer: b4 0.15-dev-47773 X-Developer-Signature: v=1; a=ed25519-sha256; t=1764140889; l=974; i=jeanmichel.hautbois@yoseli.org; s=20240925; h=from:subject:message-id; bh=6yowbDUcruSfT+pB3Hc8Rr8mGdRNN9tkk1YhS+Cu13k=; b=fi8KOrh8x9MJfniLee28k496XKjc9mUk+IoZmDHr0DpuL04GI71pXFWvmFsY/KGQjSwyFbnxq E+ffkN+R57RDfwfb6dh9Wr/mo9+on+eini+nsUKg/RpJ9EDd3k1D+Tu X-Developer-Key: i=jeanmichel.hautbois@yoseli.org; a=ed25519; pk=MsMTVmoV69wLIlSkHlFoACIMVNQFyvJzvsJSQsn/kq4= X-Endpoint-Received: by B4 Relay for jeanmichel.hautbois@yoseli.org/20240925 with auth_id=570 X-Original-From: Jean-Michel Hautbois Reply-To: jeanmichel.hautbois@yoseli.org From: Jean-Michel Hautbois 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). Reviewed-by: Frank Li Signed-off-by: Jean-Michel Hautbois Reviewed-by: Martin Kaiser --- 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 241664a9b5d9..d6a847e48339 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