From patchwork Sat Nov 16 08:18:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 13877503 X-Patchwork-Delegate: kw@linux.com Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E27D320DF4; Sat, 16 Nov 2024 08:19:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731745158; cv=none; b=kU4fs+ILH1iqBShvYQJeKjK+Wcs/t5RA/PvYdEZRp7VkNHXCvalbATCOkaVVOtkP0yc++bXJ52Em3RkNE1z9uoodzMHLN8x5EQd6E7nkNutME0K71f9dOeHJAABnDphunpnKfyVEJmpjzaqfDMzrEl5GOaAuMum0uF3Y5Yn8dyg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731745158; c=relaxed/simple; bh=J+DVNJlAR1atRomw7H5TuhZTdYIIbEgomihxOMAoX5M=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=F3uwI+AE0t/bDT4/FDKuVTC3KUfqmezrM61UwQKgR2Vntaf0Vz+A/1lHJI97w4xvO8WRnrdB2c8duEpTmEkIOMbs1NVL8XRP/CI1ghLZ9Jp4OKo9tyiDbnor6K70on9rEA7XlNcE+nsKO3R0PxGOZpvR7gBpePOQ3yhOxiwxsb0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uIyUD/yv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="uIyUD/yv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1F0D1C4CEC3; Sat, 16 Nov 2024 08:19:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731745157; bh=J+DVNJlAR1atRomw7H5TuhZTdYIIbEgomihxOMAoX5M=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=uIyUD/yvUSrEoTE/S3wJaDxbs82yNXWlktu7Lm37wCtP7d42O4HY4HpHDRV9B7FDv iFaH9I84SURPSxIJxjmoVKcELPFdYuEYOX/5aCumHg3xFBUVCJ7cObU6jhyILcf86G VFb5dtUF+t3KIRokoM9wvcyN7WjW8x0IalhCmCuwaf7UQ4UPlL/5U+5DsRga8X+X1z 8eRQw7iI/NqjesAlnHwmLxtR2eYq44eJAtL5D1csJvhc9XotIlYerliZZtbnpHsPVw wYaqC1I6BHQ2jYJ8Wgw7lKhWNNjMHSKbFs22kBzP272TCsa9oatmJ+xqjEfH/zI8Ek yJiGpPdpcHHBQ== From: Lorenzo Bianconi Date: Sat, 16 Nov 2024 09:18:22 +0100 Subject: [PATCH v3 1/6] PCI: mediatek-gen3: Add missing reset_control_deassert() for mac_rst in mtk_pcie_en7581_power_up() Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241116-pcie-en7581-fixes-v3-1-f7add3afc27e@kernel.org> References: <20241116-pcie-en7581-fixes-v3-0-f7add3afc27e@kernel.org> In-Reply-To: <20241116-pcie-en7581-fixes-v3-0-f7add3afc27e@kernel.org> To: Ryder Lee , Jianjun Wang , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Michael Turquette , Stephen Boyd Cc: linux-pci@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Lorenzo Bianconi X-Mailer: b4 0.14.2 Even if this is not a real issue since Airoha EN7581 SoC does not require the mac reset line, add missing reset_control_deassert() for mac reset line in mtk_pcie_en7581_power_up() callback. Reviewed-by: Manivannan Sadhasivam Signed-off-by: Lorenzo Bianconi --- drivers/pci/controller/pcie-mediatek-gen3.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c index 64ef8ff71b0357b9bf9ad8484095b7aa60c22271..4d1c797a32c236faf79428eb8a83708e9c4f21d8 100644 --- a/drivers/pci/controller/pcie-mediatek-gen3.c +++ b/drivers/pci/controller/pcie-mediatek-gen3.c @@ -942,6 +942,9 @@ static int mtk_pcie_en7581_power_up(struct mtk_gen3_pcie *pcie) */ mdelay(PCIE_EN7581_RESET_TIME_MS); + /* MAC power on and enable transaction layer clocks */ + reset_control_deassert(pcie->mac_reset); + pm_runtime_enable(dev); pm_runtime_get_sync(dev); @@ -976,6 +979,7 @@ static int mtk_pcie_en7581_power_up(struct mtk_gen3_pcie *pcie) err_clk_prepare: pm_runtime_put_sync(dev); pm_runtime_disable(dev); + reset_control_assert(pcie->mac_reset); reset_control_bulk_assert(pcie->soc->phy_resets.num_resets, pcie->phy_resets); err_phy_deassert: phy_power_off(pcie->phy);