From mboxrd@z Thu Jan 1 00:00:00 1970 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 630D63A4F4C; Fri, 16 Jan 2026 20:07:36 +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=1768594059; cv=none; b=WuKJ2HYnflkq+LbyP7+/n07bFHIpwbGHSGEKsCmiOToh+agrK80k0+aR8j2MQJsDsm5m8so5Xcj74KaO773YmkbaOTBLxun2HgTUhog5h9Q+Vcwnh5+//+g8tFJmy5OiZsRpyxzuia3wBziLS3c5bZ4lZwqvl70F0FRbh+pbWa8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768594059; c=relaxed/simple; bh=wPqBPwqODrsLlkOAp1YdbcRd/JN5iK9rcwEnZWNnZM0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uK09o4sEyEXKRGW9xlkbKfc+rjam04bKlQIFCioEg+Hy2tr5/oqamMgms3rL9+YnttCBf+zFIicexVEFAln1YX4a16s4DL4xfThjokjUpJcKF/LZZoAhfBF9wMxF5opqRprBDd8DuZLwqi5w3IpsrQDrngs+g69maw6NFoBgp6A= 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=iYoKDw+V; 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="iYoKDw+V" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1768594056; x=1800130056; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wPqBPwqODrsLlkOAp1YdbcRd/JN5iK9rcwEnZWNnZM0=; b=iYoKDw+VvUiEUtkdsILH1uW4710MQBfy2LHg5f71D8NsPgvppHezSd6M 5lHDEYggOb6tyY4vaSU0Ct2V7UfWWGnt62fcX+Qjm3ILE0MQCYitC2SlU 50yyk4NlSNrS6m3NjY/2p09zHxQsayNeEdravPlQDpPrUnHRyan8xGfmZ bpQOKaXFk03G10D0ew/5ahgrlIBds3wbcyHOGWabpYNgv2WZpONQJU7oF IeaOZfqf06PDcQ7Zbn3fCkfetDBHb2OIstIMph2H825xdXmOpLKU5vU4c k0tzUu7iIGXWYtOHJ6qR4bZApjA01RI/JjKm86B4TMhCAnWb+3o0X1Pf6 A==; X-CSE-ConnectionGUID: OTooRcwrRNCxZBlF1StIPQ== X-CSE-MsgGUID: 5Yc6oUcQSZWsG4x4jCzJZg== X-IronPort-AV: E=Sophos;i="6.21,232,1763449200"; d="scan'208";a="59042245" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jan 2026 13:07:26 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.87.72) by chn-vm-ex3.mchp-main.com (10.10.87.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.2562.29; Fri, 16 Jan 2026 13:07:07 -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 26/31] clk: at91: at91sam9x5: switch to parent_data and parent_hw Date: Fri, 16 Jan 2026 13:07:19 -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: 8bit Content-Type: text/plain From: Claudiu Beznea Switch AT91SAM9X5 clocks to use parent_data and parent_hw where possible. Having parent_data instead of parent names improves to clock registration speed and re-parenting. Update clock registration functions to use clk_hw. Signed-off-by: Claudiu Beznea Signed-off-by: Ryan Wanner --- drivers/clk/at91/at91sam9x5.c | 106 +++++++++++++++++++--------------- 1 file changed, 59 insertions(+), 47 deletions(-) diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 13331e015dd7..497ed68bc747 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -38,9 +38,9 @@ static const struct clk_pll_characteristics plla_characteristics = { .out = plla_out, }; -static const struct { +static struct { char *n; - char *p; + struct clk_hw *parent_hw; unsigned long flags; u8 id; } at91sam9x5_systemck[] = { @@ -48,12 +48,12 @@ 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 = "ddrck", .p = "masterck_div", .id = 2, .flags = CLK_IS_CRITICAL }, - { .n = "smdck", .p = "smdclk", .id = 4 }, - { .n = "uhpck", .p = "usbck", .id = 6 }, - { .n = "udpck", .p = "usbck", .id = 7 }, - { .n = "pck0", .p = "prog0", .id = 8 }, - { .n = "pck1", .p = "prog1", .id = 9 }, + { .n = "ddrck", .id = 2, .flags = CLK_IS_CRITICAL }, + { .n = "smdck", .id = 4 }, + { .n = "uhpck", .id = 6 }, + { .n = "udpck", .id = 7 }, + { .n = "pck0", .id = 8 }, + { .n = "pck1", .id = 9 }, }; static const struct clk_pcr_layout at91sam9x5_pcr_layout = { @@ -133,12 +133,13 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, const struct pck *extra_pcks, bool has_lcdck) { + struct clk_hw *main_rc_hw, *main_osc_hw, *hw; struct clk_range range = CLK_RANGE(0, 0); const char *slck_name, *mainxtal_name; struct pmc_data *at91sam9x5_pmc; - const char *parent_names[6]; + struct clk_parent_data parent_data[6]; struct regmap *regmap; - struct clk_hw *hw; + struct clk_hw *smdck_hw, *usbck_hw; int i; bool bypass; @@ -162,56 +163,58 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, if (!at91sam9x5_pmc) return; - hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, - 50000000); - if (IS_ERR(hw)) + main_rc_hw = at91_clk_register_main_rc_osc(regmap, "main_rc_osc", 12000000, + 50000000); + if (IS_ERR(main_rc_hw)) goto err_free; bypass = of_property_read_bool(np, "atmel,osc-bypass"); - hw = at91_clk_register_main_osc(regmap, "main_osc", mainxtal_name, NULL, - bypass); - if (IS_ERR(hw)) + main_osc_hw = at91_clk_register_main_osc(regmap, "main_osc", NULL, + &AT91_CLK_PD_NAME(mainxtal_name), bypass); + if (IS_ERR(main_osc_hw)) goto err_free; - parent_names[0] = "main_rc_osc"; - parent_names[1] = "main_osc"; - hw = at91_clk_register_sam9x5_main(regmap, "mainck", parent_names, NULL, 2); + parent_data[0] = AT91_CLK_PD_HW(main_rc_hw); + parent_data[1] = AT91_CLK_PD_HW(main_osc_hw); + hw = at91_clk_register_sam9x5_main(regmap, "mainck", NULL, parent_data, 2); if (IS_ERR(hw)) goto err_free; at91sam9x5_pmc->chws[PMC_MAIN] = hw; - hw = at91_clk_register_pll(regmap, "pllack", "mainck", NULL, 0, + hw = at91_clk_register_pll(regmap, "pllack", NULL, + &AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MAIN]), 0, &at91rm9200_pll_layout, &plla_characteristics); if (IS_ERR(hw)) goto err_free; - hw = at91_clk_register_plldiv(regmap, "plladivck", "pllack", NULL); + hw = at91_clk_register_plldiv(regmap, "plladivck", NULL, &AT91_CLK_PD_HW(hw)); if (IS_ERR(hw)) goto err_free; at91sam9x5_pmc->chws[PMC_PLLACK] = hw; - hw = at91_clk_register_utmi(regmap, NULL, "utmick", "mainck", NULL); + hw = at91_clk_register_utmi(regmap, NULL, "utmick", NULL, + &AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MAIN])); if (IS_ERR(hw)) goto err_free; at91sam9x5_pmc->chws[PMC_UTMI] = hw; - parent_names[0] = slck_name; - parent_names[1] = "mainck"; - parent_names[2] = "plladivck"; - parent_names[3] = "utmick"; + parent_data[0] = AT91_CLK_PD_NAME(slck_name); + parent_data[1] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MAIN]); + parent_data[2] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_PLLACK]); + parent_data[3] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_UTMI]); hw = at91_clk_register_master_pres(regmap, "masterck_pres", 4, - parent_names, NULL, + NULL, parent_data, &at91sam9x5_master_layout, &mck_characteristics, &mck_lock); if (IS_ERR(hw)) goto err_free; - hw = at91_clk_register_master_div(regmap, "masterck_div", - "masterck_pres", NULL, + hw = at91_clk_register_master_div(regmap, "masterck_div", NULL, + &AT91_CLK_PD_HW(hw), &at91sam9x5_master_layout, &mck_characteristics, &mck_lock, CLK_SET_RATE_GATE, 0); @@ -220,28 +223,28 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, at91sam9x5_pmc->chws[PMC_MCK] = hw; - parent_names[0] = "plladivck"; - parent_names[1] = "utmick"; - hw = at91sam9x5_clk_register_usb(regmap, "usbck", parent_names, NULL, 2); - if (IS_ERR(hw)) + parent_data[0] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_PLLACK]); + parent_data[1] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_UTMI]); + usbck_hw = at91sam9x5_clk_register_usb(regmap, "usbck", NULL, parent_data, 2); + if (IS_ERR(usbck_hw)) goto err_free; - hw = at91sam9x5_clk_register_smd(regmap, "smdclk", parent_names, NULL, 2); - if (IS_ERR(hw)) + smdck_hw = at91sam9x5_clk_register_smd(regmap, "smdclk", NULL, parent_data, 2); + if (IS_ERR(smdck_hw)) goto err_free; - parent_names[0] = slck_name; - parent_names[1] = "mainck"; - parent_names[2] = "plladivck"; - parent_names[3] = "utmick"; - parent_names[4] = "masterck_div"; + parent_data[0] = AT91_CLK_PD_NAME(slck_name); + parent_data[1] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MAIN]); + parent_data[2] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_PLLACK]); + parent_data[3] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_UTMI]); + parent_data[4] = AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MCK]); for (i = 0; i < 2; i++) { char name[6]; snprintf(name, sizeof(name), "prog%d", i); hw = at91_clk_register_programmable(regmap, name, - parent_names, NULL, 5, i, + NULL, parent_data, 5, i, &at91sam9x5_programmable_layout, NULL); if (IS_ERR(hw)) @@ -250,9 +253,16 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, at91sam9x5_pmc->pchws[i] = hw; } + /* Set systemck parent hws. */ + at91sam9x5_systemck[0].parent_hw = at91sam9x5_pmc->chws[PMC_MCK]; + at91sam9x5_systemck[1].parent_hw = smdck_hw; + at91sam9x5_systemck[2].parent_hw = usbck_hw; + at91sam9x5_systemck[3].parent_hw = usbck_hw; + at91sam9x5_systemck[4].parent_hw = at91sam9x5_pmc->pchws[0]; + at91sam9x5_systemck[5].parent_hw = at91sam9x5_pmc->pchws[1]; for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { - hw = at91_clk_register_system(regmap, at91sam9x5_systemck[i].n, - at91sam9x5_systemck[i].p, NULL, + hw = at91_clk_register_system(regmap, at91sam9x5_systemck[i].n, NULL, + &AT91_CLK_PD_HW(at91sam9x5_systemck[i].parent_hw), at91sam9x5_systemck[i].id, at91sam9x5_systemck[i].flags); if (IS_ERR(hw)) @@ -262,8 +272,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, } if (has_lcdck) { - hw = at91_clk_register_system(regmap, "lcdck", "masterck_div", - NULL, 3, 0); + hw = at91_clk_register_system(regmap, "lcdck", NULL, + &AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MCK]), 3, 0); if (IS_ERR(hw)) goto err_free; @@ -274,7 +284,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &at91sam9x5_pcr_layout, at91sam9x5_periphck[i].n, - "masterck_div", NULL, + NULL, + &AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MCK]), at91sam9x5_periphck[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) @@ -287,7 +298,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &at91sam9x5_pcr_layout, extra_pcks[i].n, - "masterck_div", NULL, + NULL, + &AT91_CLK_PD_HW(at91sam9x5_pmc->chws[PMC_MCK]), extra_pcks[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) -- 2.43.0