From mboxrd@z Thu Jan 1 00:00:00 1970 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 C58E13FB2C; Thu, 20 Jun 2024 06:54:21 +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=1718866461; cv=none; b=LLrJSN0Hb4d0RAy78DPbX9vwLEs8HIq6d/QP5AbpKuZBNpVAajfR96oJd947uInuA1Oo+8+P7JM2F3Oku7xAj4q73xdMn21HU5v1sHWvPYR7WfM/UDL45vSIknlRq+LeSlGM/eVYiq2MVzz3tIs4x/bGbSNoCpch3HEqH0Mz5xo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718866461; c=relaxed/simple; bh=b2G7dmQlry0grvELyUtudXqRY6yeQ761cKOld8xr0Zo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=sCfSDjsnqmJdQwwTypDluWApUMQc6fT1NZL7qGAOib1Rtz8MEmkrV9B/BVBOiWlv18wN2JEjpz3jaZGvGaPT2uyQRitx80ATXThicMeyNdxETf9AP9dhQfU2QjQpB7sSaBpwxN5/Kpv31s1UJTJnZf+TGvArYpfCIXAD+bmgHM0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UThE7hC3; 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="UThE7hC3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55A5CC2BD10; Thu, 20 Jun 2024 06:54:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718866461; bh=b2G7dmQlry0grvELyUtudXqRY6yeQ761cKOld8xr0Zo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=UThE7hC31k6cj8kVv/CXcqrOUr6mFVSlqkb1Rml9iXtSN9At9zh+UD3k/1U9c1TJI M4fjzI3ZBW+aSnScpJJkUTK+ZjPROfR6oSHXsfPptDnHOTxBbotc1Hly+x/8eXF3Nm D7O2jLAcEr0q+z7dOcDSxNkDC4p98T/O7TmnF5DsnbXe0MVYzB2oGGtC9cBhoDRpD9 qGgU4kmWYd7UtuErZtbCRqyHQVOHAOMXkM/aDoHiEFyGq6A/RujxjsGy2x91ceiFME 9qBask59AMb7CcPGspVyFVtFnO7m1h6TTE5/sxB7jU0kNUxXDvqYJL5aE0UZPC4E96 DSffSp/gbujsg== Message-ID: Date: Thu, 20 Jun 2024 08:54:11 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/3] net: wireless: brcmfmac: Add optional 32k clock enable support To: Jacobe Zang , arend.vanspriel@broadcom.com Cc: kvalo@kernel.org, duoming@zju.edu.cn, bhelgaas@google.com, minipli@grsecurity.net, linux-wireless@vger.kernel.org, brcm80211@lists.linux.dev, brcm80211-dev-list.pdl@broadcom.com, megi@xff.cz, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nick@khadas.com, efectn@protonmail.com, jagan@edgeble.ai, dsimic@manjaro.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240620020015.4021696-1-jacobe.zang@wesion.com> <20240620020015.4021696-3-jacobe.zang@wesion.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 20/06/2024 04:00, Jacobe Zang wrote: > WiFi modules often require 32kHz clock to function. Add support to > enable the clock to PCIe driver. > > Signed-off-by: Jacobe Zang > --- > .../net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > index 06698a714b523..f241e1757d7e3 100644 > --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c > @@ -3,6 +3,7 @@ > * Copyright (c) 2014 Broadcom Corporation > */ > > +#include > #include > #include > #include > @@ -2411,6 +2412,7 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) > struct brcmf_pciedev *pcie_bus_dev; > struct brcmf_core *core; > struct brcmf_bus *bus; > + struct clk *clk; > > if (!id) { > id = pci_match_id(brcmf_pcie_devid_table, pdev); > @@ -2422,6 +2424,14 @@ brcmf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) > > brcmf_dbg(PCIE, "Enter %x:%x\n", pdev->vendor, pdev->device); > > + clk = devm_clk_get_optional_enabled(&pdev->dev, "32k"); Where is the binding for this? > + if (IS_ERR(clk)) > + return PTR_ERR(clk); > + if (clk) { > + dev_info(&pdev->dev, "enabling 32kHz clock\n"); Drop Best regards, Krzysztof