From patchwork Wed Mar 5 14:43:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Eichenberger X-Patchwork-Id: 14002850 Received: from mail-wr1-f46.google.com (mail-wr1-f46.google.com [209.85.221.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5204624EF68 for ; Wed, 5 Mar 2025 14:44:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741185853; cv=none; b=j53VWOcuDGiTRwEztuZyXBdjyAcM1AFQe2K201GK+StLipQl/LHLW06fbWkaUKPXwKZzQNCANXJjV+bfXYxihsvXFDc07xM2jqW24oLsaGpWQxGmVnEiQH4qzhiP2UF3gHLnkR+WRI1qWBtatoNr2zqBc7B18OWpoHEsH7rQZdM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741185853; c=relaxed/simple; bh=656yZq6rNtUOx1YB7LPH8s26cM1Yb4fvkIYcST6VSoY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ye0Unxoa3PKHz0QPwJu0m2yh5CIkpLjsAE8YCmenqDm1qnDgIdUXFD1DAZzNnnCrKj0N+VUWesw9dBHj+vBBvsHBpgRx3IGQk/sWQ3/2pRG6iGlLvUr2QBnSIzTjnQnl3OSb6/0qt12B/Bg6QsKU75c4pwUfCkUhn+KSDY9ymbg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=kOGl0rvc; arc=none smtp.client-ip=209.85.221.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kOGl0rvc" Received: by mail-wr1-f46.google.com with SMTP id ffacd0b85a97d-390f5556579so3070202f8f.1 for ; Wed, 05 Mar 2025 06:44:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1741185849; x=1741790649; darn=lists.linux.dev; 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=adw/wXG4xAXtVNNpVBpZ7rOz/ozzGq1WFDZ6AcGQFEg=; b=kOGl0rvcOnMPW+vh1Po3wR1yDrmZkfqvj/FhPNVecUaFWDB1yvnq3IQpoT1xZVTKge UaVR822v1kSusGJ7UZC6oibyXIRsQsyLQ9UYJiHHNkjzrmeqVxUk+fPmY+G63AN5eH5a wm6MzF+ZA29Oy6nJNEkcvjqN3wVTKG8wO/6WO3CwYBNh0P7U875nRbu5Jga+z+x04drr wmhBcv1dFQYkLuSEP+8Ypg9JcupLSi+jvZXRCwhDqriqLoaRkOlRk9MY6qfTmCvbUKtW qD7ZEo2Q0lcA1SKdzFx7z2+T/cvvE7hzahQBCFHRHycOp2pwnTF/gGKAJPgLdXrE3dFg wz9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741185849; x=1741790649; 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=adw/wXG4xAXtVNNpVBpZ7rOz/ozzGq1WFDZ6AcGQFEg=; b=rlxpIZSKKj6hJfN2qUUICR3ZrwIzkW/qiuiHN3WSy9L8wp/lMDY70ioCbBiha7wGcd DBX/EJJvsXVl9wuf9F6tQ6eGLeI9iBTteWw2oJGIW8ZIMCUj1oXw22GYBqXGbzdGZPO2 I2oRHLJc4bbn1i4qFfgn3eNhnynMywdDTpAj7ywtZgMHnwOTN7sKlwu9m/cz7hsr0cy9 rhjYGqzf7q7gwDtVxaMqP4wrrUnK2UDXhV6dZ24A1epHS2Z9qQAlad23dmrpGldzdAQl fg16L1HX5BatRNQbybLtoyVw5upSIw6glYtecKQKhxlRUCnJ7PXbZAAKImtY6BHwrHCp 1DoQ== X-Forwarded-Encrypted: i=1; AJvYcCVWf1mtc87OZo30Y4gBhenNKvWTkUmoKdItc5cfDK/IsmiMNTNDCRQPN7YqNhUNlkJkCbI=@lists.linux.dev X-Gm-Message-State: AOJu0Yx2LXfZ1mA88JIJUA+ok/OKRg2VMqmWpzsXVmotj8eBYAOaP2v2 kdwzMbTxkw+pVpW1wq9v3SQZGh0Atc3ZtEqXvmZHCXXsJAbovl/2 X-Gm-Gg: ASbGncs+/pQ+TCFcVrul9wAbT/JQCuhamdlgv69zjnCgY+U7bCnDFmMbxk9At0WnqwU BlLtfkOWJ8PdgYmzXppi7ZWW4gc/MABgDlMRKiXrjWm6708ZTIjkK/k5X/aOsxerf1txrMcrS7r CkXLKkaXlWbhZRJr9Q0S6QInWQw/9x9iQ3ZSLvBs4VjkN2y10RPop++Mj+4esgU02+Dp55RmERd BdESnh1V8GxSPIYkKmytdeQLJkq6+gAtQLl088btfZme4TXrKmHhFEpr3Ns1UsiaEq8EV/uVr3A 2GcagOXZfVCkYH28CCuFEfi73xvyItYW9fOk4OQQ4okvpOBk X-Google-Smtp-Source: AGHT+IFbsaX9wmtUFug2h6kZAAYC0Hb0y6lxNl62FVu79knUqZWExgLI4s21uIXSphigDaJmEpgWiw== X-Received: by 2002:a05:6000:2cd:b0:390:ea34:7d83 with SMTP id ffacd0b85a97d-3911f76f519mr3393536f8f.31.1741185849295; Wed, 05 Mar 2025 06:44:09 -0800 (PST) Received: from eichest-laptop.. ([178.197.169.96]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43bd435cd8csm19314375e9.40.2025.03.05.06.44.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 06:44:09 -0800 (PST) From: Stefan Eichenberger To: vkoul@kernel.org, kishon@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, p.zabel@pengutronix.de, tharvey@gateworks.com, hongxing.zhu@nxp.com, francesco.dolcini@toradex.com Cc: linux-phy@lists.infradead.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Eichenberger Subject: [PATCH v2 1/2] phy: freescale: imx8m-pcie: cleanup reset logic Date: Wed, 5 Mar 2025 15:43:15 +0100 Message-ID: <20250305144355.20364-2-eichest@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20250305144355.20364-1-eichest@gmail.com> References: <20250305144355.20364-1-eichest@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Stefan Eichenberger Remove the switch statement and base perst release on whether it is found in the device tree. The probe function fails without the reset property, making it mandatory. Therefore, always release reset independent of the variant. This does not change the behavior of the driver but reduces driver complexity and allows for easier future modifications. Signed-off-by: Stefan Eichenberger Reviewed-by: Frank Li --- drivers/phy/freescale/phy-fsl-imx8m-pcie.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c index e98361dcdeadf..5b505e34ca364 100644 --- a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c +++ b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c @@ -141,15 +141,9 @@ static int imx8_pcie_phy_power_on(struct phy *phy) IMX8MM_GPR_PCIE_REF_CLK_PLL); usleep_range(100, 200); - switch (imx8_phy->drvdata->variant) { - case IMX8MP: - reset_control_deassert(imx8_phy->perst); - fallthrough; - case IMX8MM: - reset_control_deassert(imx8_phy->reset); - usleep_range(200, 500); - break; - } + reset_control_deassert(imx8_phy->perst); + reset_control_deassert(imx8_phy->reset); + usleep_range(200, 500); /* Do the PHY common block reset */ regmap_update_bits(imx8_phy->iomuxc_gpr, IOMUXC_GPR14,