From patchwork Mon Nov 20 07:00:11 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 746264 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=tuxon.dev header.i=@tuxon.dev header.b="bk9qi9Qz" Received: from mail-wr1-x42b.google.com (mail-wr1-x42b.google.com [IPv6:2a00:1450:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BF31194 for ; Sun, 19 Nov 2023 23:01:02 -0800 (PST) Received: by mail-wr1-x42b.google.com with SMTP id ffacd0b85a97d-332ca7f95e1so91828f8f.0 for ; Sun, 19 Nov 2023 23:01:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tuxon.dev; s=google; t=1700463659; x=1701068459; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=qvVQDVzWJ+CyhFQxQLIJ69wjbv3n+I6qePm2Xo8n7Gc=; b=bk9qi9QzACH/BjI8KLeYj1qmi8Z19+IYrfoLnRLkNekVWH4HaGkhpuHD06YD1O/9oQ YYyEvjo+N9syjmKzHk/eypepK/2oawWZhRrRRLNTUDiua76k9+xWwVE3Wy6A/oX+LM2y BMgXowShkOfctxdSjSFrl7VQobPucQmwbPYPiQYQNuLE7s4z+tNS/xH3IwSO9hW+3IkM DaUaOeTzfWQleXVLn/OSfdbVSRNplnj3QW4FmP3OButZe+uciNht4PVCzBsAwbYQBDyi npM9XA+nnEbCRbIVE0pc5Fvjhr0tdvBVHzRwGGfccxTzacp2UtSeLUyM0aCuC8p5PdNS 5duw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700463659; x=1701068459; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=qvVQDVzWJ+CyhFQxQLIJ69wjbv3n+I6qePm2Xo8n7Gc=; b=XEe3vQXyFb/QkvMd97WHsTIRuIv9SR2ZB4U70b1UoF/5+hBVrVRRoSyXotyGKXRklG P94w1FPCDs8nWgdDYWk0fez1K8WL38TLllY/Pyb2ZKVXphOC2BWpKKb4FbNx15yRNp+B VonpCrB57YryEALNc/a5Sb3Nj9LyM88vxB4Mnxi0sVJIZYFCocTVysW+W1idFZyJ/U3q 3D2vYDwlqIu+gcTNW6fNKxwT/Vbxe9aBtH1nEpPRtBb2mqh+gZvxJaQEwV5DknsRkDEZ 4FSZ067THD9Qj4SS/X+QuD3TR/rLggXTc3kBrEWloLN9S6Gc3B7YBvrq1vs6k8eqteEA eduA== X-Gm-Message-State: AOJu0YxP4CjBuqeKj4Dtwl3xYYM0RwrmwdonA62Sb0rohmAoZxcP2Rq9 rez89DDiO67ZWLR/zgtOhv/84w== X-Google-Smtp-Source: AGHT+IGfTPFlP3Fps1jXx2D8NtfyUEZnxAphWc5ESbDftl9ZuQTNbxAvSON6SHmfbEPMtENC09wVUA== X-Received: by 2002:adf:dd8c:0:b0:32f:7db1:22fb with SMTP id x12-20020adfdd8c000000b0032f7db122fbmr3678754wrl.28.1700463659555; Sun, 19 Nov 2023 23:00:59 -0800 (PST) Received: from claudiu-X670E-Pro-RS.. ([82.78.167.183]) by smtp.gmail.com with ESMTPSA id p2-20020a5d4582000000b003316d1a3b05sm8777667wrq.78.2023.11.19.23.00.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 19 Nov 2023 23:00:59 -0800 (PST) From: Claudiu X-Google-Original-From: Claudiu To: s.shtylyov@omp.ru, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, linux@armlinux.org.uk, geert+renesas@glider.be, magnus.damm@gmail.com, mturquette@baylibre.com, sboyd@kernel.org, linus.walleij@linaro.org, p.zabel@pengutronix.de, arnd@arndb.de, m.szyprowski@samsung.com, alexandre.torgue@foss.st.com, afd@ti.com, broonie@kernel.org, alexander.stein@ew.tq-group.com, eugen.hristev@collabora.com, sergei.shtylyov@gmail.com, prabhakar.mahadev-lad.rj@bp.renesas.com, biju.das.jz@bp.renesas.com Cc: linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, claudiu.beznea@tuxon.dev, Claudiu Beznea Subject: [PATCH 01/14] clk: renesas: rzg2l-cpg: Reuse code in rzg2l_cpg_reset() Date: Mon, 20 Nov 2023 09:00:11 +0200 Message-Id: <20231120070024.4079344-2-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231120070024.4079344-1-claudiu.beznea.uj@bp.renesas.com> References: <20231120070024.4079344-1-claudiu.beznea.uj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Claudiu Beznea Code in rzg2l_cpg_reset() is equivalent with the combined code of rzg2l_cpg_assert() and rzg2l_cpg_deassert(). There is no need to have different versions thus re-use rzg2l_cpg_assert() and rzg2l_cpg_deassert(). Signed-off-by: Claudiu Beznea --- drivers/clk/renesas/rzg2l-cpg.c | 38 +++++++++++++-------------------- 1 file changed, 15 insertions(+), 23 deletions(-) diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c index 764bd72cf059..3189c3167ba8 100644 --- a/drivers/clk/renesas/rzg2l-cpg.c +++ b/drivers/clk/renesas/rzg2l-cpg.c @@ -1410,29 +1410,6 @@ rzg2l_cpg_register_mod_clk(const struct rzg2l_mod_clk *mod, #define rcdev_to_priv(x) container_of(x, struct rzg2l_cpg_priv, rcdev) -static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, - unsigned long id) -{ - struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); - const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->resets[id].off; - u32 dis = BIT(info->resets[id].bit); - u32 we = dis << 16; - - dev_dbg(rcdev->dev, "reset id:%ld offset:0x%x\n", id, CLK_RST_R(reg)); - - /* Reset module */ - writel(we, priv->base + CLK_RST_R(reg)); - - /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ - udelay(35); - - /* Release module from reset state */ - writel(we | dis, priv->base + CLK_RST_R(reg)); - - return 0; -} - static int rzg2l_cpg_assert(struct reset_controller_dev *rcdev, unsigned long id) { @@ -1463,6 +1440,21 @@ static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev, return 0; } +static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + int ret; + + ret = rzg2l_cpg_assert(rcdev, id); + if (ret) + return ret; + + /* Wait for at least one cycle of the RCLK clock (@ ca. 32 kHz) */ + udelay(35); + + return rzg2l_cpg_deassert(rcdev, id); +} + static int rzg2l_cpg_status(struct reset_controller_dev *rcdev, unsigned long id) {