From patchwork Fri Mar 12 00:33:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 399960 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EF81DC4161F for ; Fri, 12 Mar 2021 00:33:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF63864F9A for ; Fri, 12 Mar 2021 00:33:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231516AbhCLAcj (ORCPT ); Thu, 11 Mar 2021 19:32:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48294 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231368AbhCLAcT (ORCPT ); Thu, 11 Mar 2021 19:32:19 -0500 Received: from mail-oo1-xc29.google.com (mail-oo1-xc29.google.com [IPv6:2607:f8b0:4864:20::c29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E5F6C061761 for ; Thu, 11 Mar 2021 16:32:19 -0800 (PST) Received: by mail-oo1-xc29.google.com with SMTP id r17-20020a4acb110000b02901b657f28cdcso1134435ooq.6 for ; Thu, 11 Mar 2021 16:32:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6wVekdiQ/YA8nS7fIn/RALJfKdTTK3aVMvAOi2iip9U=; b=pQemKSOE2hWkcq5S0NsPmn6nU08qCVCXLnEJAtAtWJVAePAKnrQyWP9/amyIGzQ+Fc lQrm5qOh0SQC/I5AgFw6fS36FUwIevc62X/V6SMIkPC+yX8PdjEvIhTyA+u3WFppiYNq pUl56X1em620q7eaTmMrb1TC9swVGLqukK04XKHGrGzJbRCUm7jV+NfbuaZHHQrMscXQ VD7Fi9B+lDo+N3rsPL47gWwqqKN/ihGkrR4Zv0/UuYGXzTi3ayyKWM1naKrt0eu5y277 iueFGHixkgH+lEJE2c8FEvt3AecU8dGDBAkviowSiVbkzJ0byYMR6keTva6DmHkbnEgU pKcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6wVekdiQ/YA8nS7fIn/RALJfKdTTK3aVMvAOi2iip9U=; b=knvuOgFH2xnqAXg5tDj139LAGR2IVb5rz7a88odLkxqlp2j1a8enhrz6Ms+N9jq3h+ 5wVO71P2RW7jZ0GabOQxmNXpTHZRgiwGvMMuh/k90wbFeMQqDfqAk8rN77YxDoZCId31 AnKke+DGsVcHm6CpF01NYSui2eejaYYVqnPKgXokpin1kaqTmvY+wrYi9N3tzOZwIdaK FWRzEGHEI1pwBQGRZAHJ6PoI6Z3l10vUFX+DQsxsqZJrQHYvXc+PXcPT3et41S/1qS1L J9pjzp0gagntFefyEIfDSh6sqW8cIS/7CnUGG4/JCVdiyyahJtaorfvj/GACkghKGxL6 NLjg== X-Gm-Message-State: AOAM530i/9LIYpptK1k7KgXvFDs61gBg2e2c8RwQ1wGig0zjceTvWdLb wJlQhe09WLmfZebiy3vu6482WA== X-Google-Smtp-Source: ABdhPJz1080lUBbniInnevnVB5hPiBvUGGcsqjokAVA002Q1OJ7/tfAjDImT8qm+F5JURaa+IyZLiw== X-Received: by 2002:a4a:96b3:: with SMTP id s48mr1254406ooi.11.1615509138437; Thu, 11 Mar 2021 16:32:18 -0800 (PST) Received: from localhost.localdomain (104-57-184-186.lightspeed.austtx.sbcglobal.net. [104.57.184.186]) by smtp.gmail.com with ESMTPSA id l190sm670835oig.39.2021.03.11.16.32.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 16:32:18 -0800 (PST) From: Bjorn Andersson To: Andy Gross , Bjorn Andersson , Rob Herring , Bryan O'Donoghue Cc: Kalle Valo , "David S. Miller" , Jakub Kicinski , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, wcn36xx@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 4/5] soc: qcom: wcnss_ctrl: Allow reading firmware-name from DT Date: Thu, 11 Mar 2021 16:33:17 -0800 Message-Id: <20210312003318.3273536-5-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210312003318.3273536-1-bjorn.andersson@linaro.org> References: <20210312003318.3273536-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The WLAN NV firmware blob differs between platforms, and possibly devices, so add support in the wcnss_ctrl driver for reading the path of this file from DT in order to allow these files to live in a generic file system (or linux-firmware). The new property is optional and the code falls back to the old filename if the property isn't specified. Signed-off-by: Bjorn Andersson Tested-by: Bryan O'Donoghue --- drivers/soc/qcom/wcnss_ctrl.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/soc/qcom/wcnss_ctrl.c b/drivers/soc/qcom/wcnss_ctrl.c index 358526b9de06..2a06d631e415 100644 --- a/drivers/soc/qcom/wcnss_ctrl.c +++ b/drivers/soc/qcom/wcnss_ctrl.c @@ -200,6 +200,7 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc) struct wcnss_download_nv_req *req; const struct firmware *fw; struct device *dev = wcnss->dev; + const char *nvbin = NVBIN_FILE; const void *data; ssize_t left; int ret; @@ -208,10 +209,13 @@ static int wcnss_download_nv(struct wcnss_ctrl *wcnss, bool *expect_cbc) if (!req) return -ENOMEM; - ret = request_firmware(&fw, NVBIN_FILE, dev); + ret = of_property_read_string(dev->of_node, "firmware-name", &nvbin); + if (ret < 0 && ret != -EINVAL) + goto free_req; + + ret = request_firmware(&fw, nvbin, dev); if (ret < 0) { - dev_err(dev, "Failed to load nv file %s: %d\n", - NVBIN_FILE, ret); + dev_err(dev, "Failed to load nv file %s: %d\n", nvbin, ret); goto free_req; }