From nobody Sat Feb 7 17:42:18 2026 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (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 386613A89A4; Fri, 16 Jan 2026 20:07:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768594064; cv=none; b=E6tPaeoJNXCEdnnPaw6QqKE/rPMWkeDD/sYXLMwPQyuq4TAhrEMZvtPrXBuPltTsPhM4EWKbYDBNU/E1uyHifRQ6iCqWOCNWQIMAO6a7lOXlm9dByiif/6Rqdi+qcbvW8INustEsvdfYyNI0+TPorsvCR23XYtzwaYjPTfzVd0c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768594064; c=relaxed/simple; bh=6Tjj+ZTqhOQ3NVpdkwEPxGTifoxhf2PbMwWee8sOAGc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=iSnQMh4A+nP/aeZNIBbDjZY9A3hCoIY9Ky3A/2rHxZReq6ku0VLUUqSMvZ8iurke1mYrwh9sQS1XKPjCzDpHg62LpY5ypPVYHlzG8+6h9B44j8vULEZunZYsPjGy7SNH8M+XI1GuZWBNG+KDGYXqaaZKBBWL0rx9GZbbDBsjuok= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=VcnQ7ngM; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="VcnQ7ngM" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1768594063; x=1800130063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6Tjj+ZTqhOQ3NVpdkwEPxGTifoxhf2PbMwWee8sOAGc=; b=VcnQ7ngMNaDK8SWgNXA1n5d05GmKgAJTUQMrswgXt0G4WkVtcG314QcP 9MjCQC7JHizWuDjqIcyehRDdnNCWyZdHmjTJVvu9/an3LA35+4ZgcGHVo OxOcbJOcZpagAj7Ab6SSf2tJRbpsxdgsOJmOa6+pbdTQsQxtxHMtygb/1 NxLte28Xi9ByF5z/yftN5VoH5hQbRelSMrpqvKZIHY0ck23A17/KDsjBx B4G9WSxjZdAvJWQRQwoLse4GL1Ydj5I0Gwz7PPEulWK87CnI6q1J4qHT+ imqI7QqsMAvfxomvJsKbLD7Adks3gI7jCaJd/vZqGFqFOIcgBPw/T9coN A==; X-CSE-ConnectionGUID: MqTcJu0RSESfeq27zLZvsQ== X-CSE-MsgGUID: LHGoYih3RnqFBhRPfBHMlQ== X-IronPort-AV: E=Sophos;i="6.21,232,1763449200"; d="scan'208";a="52013863" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 16 Jan 2026 13:07:39 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex02.mchp-main.com (10.10.87.72) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.58; Fri, 16 Jan 2026 13:07:06 -0700 Received: from ryan-Precision-3630-Tower.microchip.com (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Fri, 16 Jan 2026 13:07:06 -0700 From: To: , , , , , , , CC: , , , , Subject: [PATCH v5 20/31] clk: at91: clk-slow: add support for parent_data Date: Fri, 16 Jan 2026 13:07:13 -0700 Message-ID: X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Claudiu Beznea Add support for parent_data in slow clock drivers. With this parent-child relation is described with pointers rather than strings making registration a bit faster. All the SoC based drivers that rely on clk-slow were adapted to the new API change. The switch itself for SoCs will be done in subsequent patches. Signed-off-by: Claudiu Beznea Signed-off-by: Ryan Wanner Reviewed-by: Claudiu Beznea --- drivers/clk/at91/at91sam9260.c | 2 +- drivers/clk/at91/clk-slow.c | 8 ++++++-- drivers/clk/at91/dt-compat.c | 2 +- drivers/clk/at91/pmc.h | 1 + 4 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index f39deb3ec00a..55350331b07e 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -385,7 +385,7 @@ static void __init at91sam926x_pmc_setup(struct device_= node *np, parent_names[0] =3D "slow_rc_osc"; parent_names[1] =3D "slow_xtal"; hw =3D at91_clk_register_sam9260_slow(regmap, "slck", - parent_names, 2); + parent_names, NULL, 2); if (IS_ERR(hw)) goto err_free; =20 diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c index ac9f7a48b76e..5b7fc6210e09 100644 --- a/drivers/clk/at91/clk-slow.c +++ b/drivers/clk/at91/clk-slow.c @@ -39,11 +39,12 @@ struct clk_hw * __init at91_clk_register_sam9260_slow(struct regmap *regmap, const char *name, const char **parent_names, + struct clk_parent_data *parent_data, int num_parents) { struct clk_sam9260_slow *slowck; struct clk_hw *hw; - struct clk_init_data init; + struct clk_init_data init =3D {}; int ret; =20 if (!name) @@ -58,7 +59,10 @@ at91_clk_register_sam9260_slow(struct regmap *regmap, =20 init.name =3D name; init.ops =3D &sam9260_slow_ops; - init.parent_names =3D parent_names; + if (parent_data) + init.parent_data =3D (const struct clk_parent_data *)&parent_data; + else + init.parent_names =3D parent_names; init.num_parents =3D num_parents; init.flags =3D 0; =20 diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index 5afd7c9f53fd..fa8658d3be7b 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -823,7 +823,7 @@ static void __init of_at91sam9260_clk_slow_setup(struct= device_node *np) =20 of_property_read_string(np, "clock-output-names", &name); =20 - hw =3D at91_clk_register_sam9260_slow(regmap, name, parent_names, + hw =3D at91_clk_register_sam9260_slow(regmap, name, parent_names, NULL, num_parents); if (IS_ERR(hw)) return; diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 08c3138fef8f..efc8e8f0889e 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -276,6 +276,7 @@ struct clk_hw * __init at91_clk_register_sam9260_slow(struct regmap *regmap, const char *name, const char **parent_names, + struct clk_parent_data *parent_data, int num_parents); =20 struct clk_hw * __init --=20 2.43.0