From patchwork Thu Jun 15 09:32:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 13280961 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 951F4EB64D9 for ; Thu, 15 Jun 2023 09:34:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ziRacG4oW8y0TTMSJYOPvDf4CcdBXonY3/DIpMT23as=; b=HqYYLJIEv5c6KC DtTr65BO2fJ1cKHUoKcPx5YdOOTMrclXK+WE3iSj+UeHy6PVotO6zj/Uihj4+btZhynEWCDjehZIc CLf5DwFa7BMCh6I7ySXln+KQJPcOHigyi6nomknICp+sSloFTMGngEVYEYCW6KfTAFt1XFi2+HdIY 2pz+t2brUkXI/W/i7gH/imse8i20/1ow4pzw41M1Wu0o212aqYdKTIpGt1iVEqcbKGw3Z+ePUJpva mj73t303c2sbo8LsU3fWKH2qu4xYlHHYvFU5tqN9fQX0pDCbCSBA7BLa2WMvT3QI9300pz8qnkm3k GykPwuuedaKK0wvZmwdg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q9jN2-00EJk4-38; Thu, 15 Jun 2023 09:34:24 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q9jMx-00EJcl-0C for linux-arm-kernel@lists.infradead.org; Thu, 15 Jun 2023 09:34:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1686821660; x=1718357660; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mo/6YXFI51FlQp6qrcqF29Gi2KEab+inLmy2c+v9aDk=; b=kAttMUUES/1E9QSeylYPX3YPlrezrkPxG+rKeSxobOebOGfOW1miqvao 4oIgOqcxIPkFLjMmNng40QO26+Wz7r77MFZXKtCpNox/FnI+FhQwxxRtl I71270qyQTQJ6eYOIbn0wAOJaX4I/qCZQ/ZTlxQTXQY/v3cnjRxX79w7x uVlK+GLbUCUAeHIBziwmk4JLVFBfTbwrJ2rnScReDtMDb26Zf6ONNZkV2 sMF5MQOgP/lYWxj+4sAYkOHVoEd3mtaJLXKfOZgV5+2NkenaYETAVaMLy 0GYi57YXHF7TeenNhy7JPcLIxkoOJEAeQ0R5Xq6vGA10v6D52dcgd8nMD w==; X-IronPort-AV: E=Sophos;i="6.00,244,1681196400"; d="scan'208";a="218626898" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 15 Jun 2023 02:34:19 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 15 Jun 2023 02:34:07 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 15 Jun 2023 02:34:03 -0700 From: Claudiu Beznea To: , , , , , , CC: , , , Claudiu Beznea Subject: [PATCH 04/11] clk: at91: clk-peripheral: add support for parent_hw Date: Thu, 15 Jun 2023 12:32:20 +0300 Message-ID: <20230615093227.576102-5-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230615093227.576102-1-claudiu.beznea@microchip.com> References: <20230615093227.576102-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230615_023419_122563_DA309FA8 X-CRM114-Status: GOOD ( 18.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for parent_hw in peripheral 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-peripheral were adapted to the new API change. The switch itself for SoCs will be done in subsequent patches. Signed-off-by: Claudiu Beznea Reviewed-by: Maxime Ripard --- drivers/clk/at91/at91rm9200.c | 2 +- drivers/clk/at91/at91sam9260.c | 2 +- drivers/clk/at91/at91sam9g45.c | 2 +- drivers/clk/at91/at91sam9n12.c | 2 +- drivers/clk/at91/at91sam9rl.c | 2 +- drivers/clk/at91/at91sam9x5.c | 4 ++-- drivers/clk/at91/clk-peripheral.c | 22 +++++++++++++++------- drivers/clk/at91/dt-compat.c | 3 ++- drivers/clk/at91/pmc.h | 4 +++- drivers/clk/at91/sam9x60.c | 2 +- drivers/clk/at91/sama5d2.c | 4 ++-- drivers/clk/at91/sama5d3.c | 2 +- drivers/clk/at91/sama5d4.c | 4 ++-- drivers/clk/at91/sama7g5.c | 2 +- 14 files changed, 34 insertions(+), 23 deletions(-) diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c index 259e314ef40f..9eaf54418b7e 100644 --- a/drivers/clk/at91/at91rm9200.c +++ b/drivers/clk/at91/at91rm9200.c @@ -193,7 +193,7 @@ static void __init at91rm9200_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91rm9200_periphck); i++) { hw = at91_clk_register_peripheral(regmap, at91rm9200_periphck[i].n, - "masterck_div", + "masterck_div", NULL, at91rm9200_periphck[i].id); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index f9bf65c77c9b..b124a8da58c7 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -470,7 +470,7 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, for (i = 0; i < data->num_pck; i++) { hw = at91_clk_register_peripheral(regmap, data->pck[i].n, - "masterck_div", + "masterck_div", NULL, data->pck[i].id); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c index c9313a7b32ea..be968b428ed7 100644 --- a/drivers/clk/at91/at91sam9g45.c +++ b/drivers/clk/at91/at91sam9g45.c @@ -214,7 +214,7 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9g45_periphck); i++) { hw = at91_clk_register_peripheral(regmap, at91sam9g45_periphck[i].n, - "masterck_div", + "masterck_div", NULL, at91sam9g45_periphck[i].id); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c index 608410bef120..8441eae0daaa 100644 --- a/drivers/clk/at91/at91sam9n12.c +++ b/drivers/clk/at91/at91sam9n12.c @@ -240,7 +240,7 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &at91sam9n12_pcr_layout, at91sam9n12_periphck[i].n, - "masterck_div", + "masterck_div", NULL, at91sam9n12_periphck[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index 90911cbd9690..94a6b48352ce 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -170,7 +170,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) for (i = 0; i < ARRAY_SIZE(at91sam9rl_periphck); i++) { hw = at91_clk_register_peripheral(regmap, at91sam9rl_periphck[i].n, - "masterck_div", + "masterck_div", NULL, at91sam9rl_periphck[i].id); if (IS_ERR(hw)) goto err_free; diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index 63097cdd4809..15fbbcf535bc 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -274,7 +274,7 @@ 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", + "masterck_div", NULL, at91sam9x5_periphck[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) @@ -287,7 +287,7 @@ 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", + "masterck_div", NULL, extra_pcks[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c index 93ea685e27f6..c173a44c800a 100644 --- a/drivers/clk/at91/clk-peripheral.c +++ b/drivers/clk/at91/clk-peripheral.c @@ -97,14 +97,15 @@ static const struct clk_ops peripheral_ops = { struct clk_hw * __init at91_clk_register_peripheral(struct regmap *regmap, const char *name, - const char *parent_name, u32 id) + const char *parent_name, struct clk_hw *parent_hw, + u32 id) { struct clk_peripheral *periph; - struct clk_init_data init; + struct clk_init_data init = {}; struct clk_hw *hw; int ret; - if (!name || !parent_name || id > PERIPHERAL_ID_MAX) + if (!name || !(parent_name || parent_hw) || id > PERIPHERAL_ID_MAX) return ERR_PTR(-EINVAL); periph = kzalloc(sizeof(*periph), GFP_KERNEL); @@ -113,7 +114,10 @@ at91_clk_register_peripheral(struct regmap *regmap, const char *name, init.name = name; init.ops = &peripheral_ops; - init.parent_names = &parent_name; + if (parent_hw) + init.parent_hws = (const struct clk_hw **)&parent_hw; + else + init.parent_names = &parent_name; init.num_parents = 1; init.flags = 0; @@ -444,15 +448,16 @@ struct clk_hw * __init at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock, const struct clk_pcr_layout *layout, const char *name, const char *parent_name, + struct clk_hw *parent_hw, u32 id, const struct clk_range *range, int chg_pid, unsigned long flags) { struct clk_sam9x5_peripheral *periph; - struct clk_init_data init; + struct clk_init_data init = {}; struct clk_hw *hw; int ret; - if (!name || !parent_name) + if (!name || !(parent_name || parent_hw)) return ERR_PTR(-EINVAL); periph = kzalloc(sizeof(*periph), GFP_KERNEL); @@ -460,7 +465,10 @@ at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock, return ERR_PTR(-ENOMEM); init.name = name; - init.parent_names = &parent_name; + if (parent_hw) + init.parent_hws = (const struct clk_hw **)&parent_hw; + else + init.parent_names = &parent_name; init.num_parents = 1; init.flags = flags; if (chg_pid < 0) { diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c index 4a024bb97312..8995e1cc73c6 100644 --- a/drivers/clk/at91/dt-compat.c +++ b/drivers/clk/at91/dt-compat.c @@ -490,7 +490,7 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type) if (type == PERIPHERAL_AT91RM9200) { hw = at91_clk_register_peripheral(regmap, name, - parent_name, id); + parent_name, NULL, id); } else { struct clk_range range = CLK_RANGE(0, 0); unsigned long flags = 0; @@ -512,6 +512,7 @@ of_at91_clk_periph_setup(struct device_node *np, u8 type) &dt_pcr_layout, name, parent_name, + NULL, id, &range, INT_MIN, flags); diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index c09abb8ff8fe..6866e810352b 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -199,11 +199,13 @@ at91_clk_sama7g5_register_master(struct regmap *regmap, struct clk_hw * __init at91_clk_register_peripheral(struct regmap *regmap, const char *name, - const char *parent_name, u32 id); + const char *parent_name, struct clk_hw *parent_hw, + u32 id); struct clk_hw * __init at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock, const struct clk_pcr_layout *layout, const char *name, const char *parent_name, + struct clk_hw *parent_hw, u32 id, const struct clk_range *range, int chg_pid, unsigned long flags); diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c index 3ff1eb3bee81..71fa8cb86a9d 100644 --- a/drivers/clk/at91/sam9x60.c +++ b/drivers/clk/at91/sam9x60.c @@ -337,7 +337,7 @@ static void __init sam9x60_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sam9x60_pcr_layout, sam9x60_periphck[i].n, - "masterck_div", + "masterck_div", NULL, sam9x60_periphck[i].id, &range, INT_MIN, sam9x60_periphck[i].flags); diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index c47d43a7e95b..944e1fec8ad2 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -324,7 +324,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama5d2_pcr_layout, sama5d2_periphck[i].n, - "masterck_div", + "masterck_div", NULL, sama5d2_periphck[i].id, &range, INT_MIN, sama5d2_periphck[i].flags); @@ -338,7 +338,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama5d2_pcr_layout, sama5d2_periph32ck[i].n, - "h32mxck", + "h32mxck", NULL, sama5d2_periph32ck[i].id, &sama5d2_periph32ck[i].r, INT_MIN, 0); diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c index d605a540b30f..f61bef0838c9 100644 --- a/drivers/clk/at91/sama5d3.c +++ b/drivers/clk/at91/sama5d3.c @@ -244,7 +244,7 @@ static void __init sama5d3_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama5d3_pcr_layout, sama5d3_periphck[i].n, - "masterck_div", + "masterck_div", NULL, sama5d3_periphck[i].id, &sama5d3_periphck[i].r, INT_MIN, diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 21a61840d5f3..f0bf2096f666 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -267,7 +267,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama5d4_pcr_layout, sama5d4_periphck[i].n, - "masterck_div", + "masterck_div", NULL, sama5d4_periphck[i].id, &range, INT_MIN, sama5d4_periphck[i].flags); @@ -281,7 +281,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama5d4_pcr_layout, sama5d4_periph32ck[i].n, - "h32mxck", + "h32mxck", NULL, sama5d4_periph32ck[i].id, &range, INT_MIN, 0); if (IS_ERR(hw)) diff --git a/drivers/clk/at91/sama7g5.c b/drivers/clk/at91/sama7g5.c index 989d66f5370e..c913c1c7a9f9 100644 --- a/drivers/clk/at91/sama7g5.c +++ b/drivers/clk/at91/sama7g5.c @@ -1079,7 +1079,7 @@ static void __init sama7g5_pmc_setup(struct device_node *np) hw = at91_clk_register_sam9x5_peripheral(regmap, &pmc_pcr_lock, &sama7g5_pcr_layout, sama7g5_periphck[i].n, - sama7g5_periphck[i].p, + sama7g5_periphck[i].p, NULL, sama7g5_periphck[i].id, &sama7g5_periphck[i].r, sama7g5_periphck[i].chgp ? 0 :