From nobody Sat Feb 7 11:38:32 2026 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (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 0532A3A4ACC; Fri, 16 Jan 2026 20:07:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.154.123 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768594070; cv=none; b=sgBlJl2moMtSCzb63D0tKF5BklFHZQx5q+vstcsiY5H+bRJV20fnTKC4Y0xm90xmXtJhzr8JO4PpgbtcCk/Ycj7GizVNvWeF8maq3IBkWYUu0EjNJECXXr2b1ToHI4F4uxJFjWaOfzG/lGcEkAONys/JRNLg+G+jK0WHYyQRzi4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768594070; c=relaxed/simple; bh=yumqZTJwDBxAGa5DbwJo5mSLeX3jA54yKOI85jWAzfc=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Zw9Zg/Z0ARU4ds2eDs8+9fNNdfyfR65f1MTXAmcRTZJ2E4uzor5sbevZUpYjEMwao+qGBN+xmcuf8Thzf2lMuEuFaT/B4Wiq82H7q0GN1gyUVjQa+rWG1xwhEBGKfHdHCOqK03JV2gyvs3Ll4/ROmXkQxd0pkNWl9nlIfKxiCFE= 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=Bxuz3LWu; arc=none smtp.client-ip=68.232.154.123 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="Bxuz3LWu" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1768594067; x=1800130067; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yumqZTJwDBxAGa5DbwJo5mSLeX3jA54yKOI85jWAzfc=; b=Bxuz3LWu8B7+av/WoUD+hPfPWiEWHRd79OsidhHAJzOceWdtWOZeOL3m q5wgkRixfEy6kmuiWzmqRf7/CQN861nh0Bd3uZ+fu+rIqSKx9Pw+89X5d o3Vg0aG1kgNOQCklUsKp/FbRFokgYdx4Vlisx/tNJHTk389wBeSKv9KxK od8gcOfv/JIhUwBNFJG+KCmdNa85iKEkWVTwz5ZTS/1XAkc8w8x1T61+6 av8q99vB8iMV8YgrvqEb6v12dK6/h0yJi6EOMd3jE8GzPrBBmSMkwQF2S ZXMCHlL/bDr8CMlGPyHdCOluW1AY0+83cwZNBLxUyIGqfUY/Os2WcAlEw Q==; X-CSE-ConnectionGUID: 3LvvvroxTJyR6T9mab+TNA== X-CSE-MsgGUID: PB9qj7k7SOmhVkn2UmKP4A== X-IronPort-AV: E=Sophos;i="6.21,232,1763449200"; d="scan'208";a="51290376" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 16 Jan 2026 13:07:36 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex03.mchp-main.com (10.10.85.151) 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 13:07:08 -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 13:07:07 -0700 From: To: , , , , , , , CC: , , , , Subject: [PATCH v5 29/31] clk: at91: at91sam9g45: switch to parent_data and parent_hw Date: Fri, 16 Jan 2026 13:07:22 -0700 Message-ID: <8ea67feaf45ddcaa32eab27c3b6716368979e198.1768512290.git.ryan.wanner@microchip.com> 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 Switch AT91SAM9G45 clocks to use parent_hw and parent_data. Having parent_data instead of parent names improves to clock registration speed and re-parenting. Signed-off-by: Claudiu Beznea Signed-off-by: Ryan Wanner --- drivers/clk/at91/at91sam9g45.c | 73 +++++++++++++++++++--------------- 1 file changed, 41 insertions(+), 32 deletions(-) diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index cb98d22c2e30..b74e2dee8e4c 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -37,9 +37,9 @@ static const struct clk_pll_characteristics plla_characte= ristics =3D { .out =3D plla_out, }; =20 -static const struct { +static struct { char *n; - char *p; + struct clk_hw *parent_hw; unsigned long flags; u8 id; } at91sam9g45_systemck[] =3D { @@ -47,10 +47,10 @@ static const struct { * ddrck feeds DDR controller and is enabled by bootloader thus we need * to keep it enabled in case there is no Linux consumer for it. */ - { .n =3D "ddrck", .p =3D "masterck_div", .id =3D 2, .flags =3D CLK_IS_CRI= TICAL }, - { .n =3D "uhpck", .p =3D "usbck", .id =3D 6 }, - { .n =3D "pck0", .p =3D "prog0", .id =3D 8 }, - { .n =3D "pck1", .p =3D "prog1", .id =3D 9 }, + { .n =3D "ddrck", .id =3D 2, .flags =3D CLK_IS_CRITICAL }, + { .n =3D "uhpck", .id =3D 6 }, + { .n =3D "pck0", .id =3D 8 }, + { .n =3D "pck1", .id =3D 9 }, }; =20 struct pck { @@ -93,10 +93,10 @@ static const struct pck at91sam9g45_periphck[] =3D { static void __init at91sam9g45_pmc_setup(struct device_node *np) { const char *slck_name, *mainxtal_name; + struct clk_parent_data parent_data[5]; struct pmc_data *at91sam9g45_pmc; - const char *parent_names[6]; + struct clk_hw *usbck_hw, *hw; struct regmap *regmap; - struct clk_hw *hw; int i; bool bypass; =20 @@ -123,40 +123,43 @@ static void __init at91sam9g45_pmc_setup(struct devic= e_node *np) =20 bypass =3D of_property_read_bool(np, "atmel,osc-bypass"); =20 - hw =3D at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, NULL, + hw =3D at91_clk_register_main_osc(regmap, "main_osc", NULL, + &AT91_CLK_PD_NAME(mainxtal_name), bypass); if (IS_ERR(hw)) goto err_free; =20 - hw =3D at91_clk_register_rm9200_main(regmap, "mainck", "main_osc", NULL); + hw =3D at91_clk_register_rm9200_main(regmap, "mainck", NULL, &AT91_CLK_PD= _HW(hw)); if (IS_ERR(hw)) goto err_free; =20 at91sam9g45_pmc->chws[PMC_MAIN] =3D hw; =20 - hw =3D at91_clk_register_pll(regmap, "pllack", "mainck", NULL, 0, + hw =3D at91_clk_register_pll(regmap, "pllack", NULL, + &AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MAIN]), 0, &at91rm9200_pll_layout, &plla_characteristics); if (IS_ERR(hw)) goto err_free; =20 - hw =3D at91_clk_register_plldiv(regmap, "plladivck", "pllack", NULL); + hw =3D at91_clk_register_plldiv(regmap, "plladivck", NULL, &AT91_CLK_PD_H= W(hw)); if (IS_ERR(hw)) goto err_free; =20 at91sam9g45_pmc->chws[PMC_PLLACK] =3D hw; =20 - hw =3D at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); + hw =3D at91_clk_register_utmi(regmap, NULL, "utmick", NULL, + &AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MAIN])); if (IS_ERR(hw)) goto err_free; =20 at91sam9g45_pmc->chws[PMC_UTMI] =3D hw; =20 - parent_names[0] =3D slck_name; - parent_names[1] =3D "mainck"; - parent_names[2] =3D "plladivck"; - parent_names[3] =3D "utmick"; + parent_data[0] =3D AT91_CLK_PD_NAME(slck_name); + parent_data[1] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MAIN]); + parent_data[2] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_PLLACK]); + parent_data[3] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_UTMI]); hw =3D at91_clk_register_master_pres(regmap, "masterck_pres", 4, - parent_names, NULL, + NULL, parent_data, &at91rm9200_master_layout, &mck_characteristics, &at91sam9g45_mck_lock); @@ -164,7 +167,7 @@ static void __init at91sam9g45_pmc_setup(struct device_= node *np) goto err_free; =20 hw =3D at91_clk_register_master_div(regmap, "masterck_div", - "masterck_pres", NULL, + NULL, &AT91_CLK_PD_HW(hw), &at91rm9200_master_layout, &mck_characteristics, &at91sam9g45_mck_lock, @@ -174,24 +177,24 @@ static void __init at91sam9g45_pmc_setup(struct devic= e_node *np) =20 at91sam9g45_pmc->chws[PMC_MCK] =3D hw; =20 - parent_names[0] =3D "plladivck"; - parent_names[1] =3D "utmick"; - hw =3D at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, NULL, 2= ); - if (IS_ERR(hw)) + parent_data[0] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_PLLACK]); + parent_data[1] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_UTMI]); + usbck_hw =3D at91sam9x5_clk_register_usb(regmap, "usbck", NULL, parent_da= ta, 2); + if (IS_ERR(usbck_hw)) goto err_free; =20 - parent_names[0] =3D slck_name; - parent_names[1] =3D "mainck"; - parent_names[2] =3D "plladivck"; - parent_names[3] =3D "utmick"; - parent_names[4] =3D "masterck_div"; + parent_data[0] =3D AT91_CLK_PD_NAME(slck_name); + parent_data[1] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MAIN]); + parent_data[2] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_PLLACK]); + parent_data[3] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_UTMI]); + parent_data[4] =3D AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MCK]); for (i =3D 0; i < 2; i++) { char name[6]; =20 snprintf(name, sizeof(name), "prog%d", i); =20 hw =3D at91_clk_register_programmable(regmap, name, - parent_names, NULL, 5, i, + NULL, parent_data, 5, i, &at91sam9g45_programmable_layout, NULL); if (IS_ERR(hw)) @@ -200,9 +203,14 @@ static void __init at91sam9g45_pmc_setup(struct device= _node *np) at91sam9g45_pmc->pchws[i] =3D hw; } =20 + /* Set systemck parent hws. */ + at91sam9g45_systemck[0].parent_hw =3D at91sam9g45_pmc->chws[PMC_MCK]; + at91sam9g45_systemck[1].parent_hw =3D usbck_hw; + at91sam9g45_systemck[2].parent_hw =3D at91sam9g45_pmc->pchws[0]; + at91sam9g45_systemck[3].parent_hw =3D at91sam9g45_pmc->pchws[1]; for (i =3D 0; i < ARRAY_SIZE(at91sam9g45_systemck); i++) { - hw =3D at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, - at91sam9g45_systemck[i].p, NULL, + hw =3D at91_clk_register_system(regmap, at91sam9g45_systemck[i].n, NULL, + &AT91_CLK_PD_HW(at91sam9g45_systemck[i].parent_hw), at91sam9g45_systemck[i].id, at91sam9g45_systemck[i].flags); if (IS_ERR(hw)) @@ -214,7 +222,8 @@ static void __init at91sam9g45_pmc_setup(struct device_= node *np) for (i =3D 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) { hw =3D at91_clk_register_peripheral(regmap, at91sam9g45_periphck[i].n, - "masterck_div", NULL, + NULL, + &AT91_CLK_PD_HW(at91sam9g45_pmc->chws[PMC_MCK]), at91sam9g45_periphck[i].id); if (IS_ERR(hw)) goto err_free; --=20 2.43.0