From patchwork Wed Jan 4 17:52:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Elder X-Patchwork-Id: 639371 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28ABFC4708D for ; Wed, 4 Jan 2023 17:52:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239670AbjADRwu (ORCPT ); Wed, 4 Jan 2023 12:52:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49466 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239918AbjADRwn (ORCPT ); Wed, 4 Jan 2023 12:52:43 -0500 Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BFEB395FA for ; Wed, 4 Jan 2023 09:52:39 -0800 (PST) Received: by mail-il1-x12b.google.com with SMTP id u8so19814495ilq.13 for ; Wed, 04 Jan 2023 09:52:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=gh2pdQ8Qz1jZcFQ0f9txmSCzOLVZiWWbqoSXvGeFz+g=; b=pUy9/yLcTSPL3IuDyGbacdjkCGV31SZWZXUcFAvvR5SuvUSK9t8Ql7NYsCklIYZQYu J1SB9h06cnJXtaX8CHbdgXVSwh6wRc8rYlNGPNLPOFnSeY2cjK0o6K9LUeq2IhuRacCB uZWEb+gRXm3c8uEgmCqg3MbOpnxDCO5JXVqdTDnSvFoQxXbr5SQibLFbWpcI8pxZeSce ykTTiX+O8btx+tXQCpX7SgtGJHD/GBo3XrlX1kJNryu7m4U3Lc0cCoEeC2DRj0Cu5au+ z41K1/eSknnnxN45DKYEAj+nEi05h4+ZyanQJ6SFFO0VeZFbFZuRQs837KU/gLduUz7K K1ww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=gh2pdQ8Qz1jZcFQ0f9txmSCzOLVZiWWbqoSXvGeFz+g=; b=baIasDUe0YHVjhIh4HNhJqpv4MZ9dufuolpjrP8eWTl+bQzmrWibWuRDYeG1ylwIsx BaQ9ArE9b8L9gmFn+C0CBNM4Xbr/6zmFjS/nONuTXL9Mc6ggObzjDkP9soGKpte86PcM z0BaOP8br015sK3SyjlNbnlTmxf1AVoKvc5Ud2jqlSkJMU0N05aT9c5quPM4N74Vlu81 8vpxsg3NXlYMrnjzwZ6RJYkFCB5Z8TRy3g/Tyn9SqWXyLnFXEKXCVxAvb1Xr22xiBKRr ShaapzPoOjoSqK2dTegA+7vZ32c3UMONWhbUUT5HQKiYsLFWOAFW97iZ7S0xrWOAWFBE 2HTw== X-Gm-Message-State: AFqh2kq8WPTDa6aj/HBTjbk7bVW2YM9ba1ASnS/N3rx3EXFU5YaqYdPH zHEn1/lXM+j5CQJKUaSHHRiOtg== X-Google-Smtp-Source: AMrXdXuBYKsXs21FOuxGcpBwjdjmaud5vNrg5WsAeiFM8g+64zRwfA88pdkG1gpE6H0G2kgCCQz17A== X-Received: by 2002:a92:c748:0:b0:30b:f2a7:92c2 with SMTP id y8-20020a92c748000000b0030bf2a792c2mr25965907ilp.7.1672854758677; Wed, 04 Jan 2023 09:52:38 -0800 (PST) Received: from presto.localdomain ([98.61.227.136]) by smtp.gmail.com with ESMTPSA id u3-20020a02cbc3000000b00375783003fcsm10872304jaq.136.2023.01.04.09.52.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Jan 2023 09:52:38 -0800 (PST) From: Alex Elder To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: caleb.connolly@linaro.org, mka@chromium.org, evgreen@chromium.org, andersson@kernel.org, quic_cpratapa@quicinc.com, quic_avuyyuru@quicinc.com, quic_jponduru@quicinc.com, quic_subashab@quicinc.com, elder@kernel.org, netdev@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH net-next v2 1/6] net: ipa: introduce a common microcontroller interrupt handler Date: Wed, 4 Jan 2023 11:52:28 -0600 Message-Id: <20230104175233.2862874-2-elder@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230104175233.2862874-1-elder@linaro.org> References: <20230104175233.2862874-1-elder@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The prototype for an IPA interrupt handler supplies the IPA interrupt ID, so it's possible to use a single function to handle any type of microcontroller interrupt. Introduce ipa_uc_interrupt_handler(), which calls the event or the response handler depending on the IRQ ID provided. Register the new function as the handler for both microcontroller IPA interrupt types. The called functions don't use their "irq_id" arguments, so remove them. Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_uc.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/net/ipa/ipa_uc.c b/drivers/net/ipa/ipa_uc.c index f0ee472810153..0a890b44c09e1 100644 --- a/drivers/net/ipa/ipa_uc.c +++ b/drivers/net/ipa/ipa_uc.c @@ -124,7 +124,7 @@ static struct ipa_uc_mem_area *ipa_uc_shared(struct ipa *ipa) } /* Microcontroller event IPA interrupt handler */ -static void ipa_uc_event_handler(struct ipa *ipa, enum ipa_irq_id irq_id) +static void ipa_uc_event_handler(struct ipa *ipa) { struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa); struct device *dev = &ipa->pdev->dev; @@ -138,7 +138,7 @@ static void ipa_uc_event_handler(struct ipa *ipa, enum ipa_irq_id irq_id) } /* Microcontroller response IPA interrupt handler */ -static void ipa_uc_response_hdlr(struct ipa *ipa, enum ipa_irq_id irq_id) +static void ipa_uc_response_hdlr(struct ipa *ipa) { struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa); struct device *dev = &ipa->pdev->dev; @@ -170,13 +170,24 @@ static void ipa_uc_response_hdlr(struct ipa *ipa, enum ipa_irq_id irq_id) } } +static void ipa_uc_interrupt_handler(struct ipa *ipa, enum ipa_irq_id irq_id) +{ + /* Silently ignore anything unrecognized */ + if (irq_id == IPA_IRQ_UC_0) + ipa_uc_event_handler(ipa); + else if (irq_id == IPA_IRQ_UC_1) + ipa_uc_response_hdlr(ipa); +} + /* Configure the IPA microcontroller subsystem */ void ipa_uc_config(struct ipa *ipa) { + struct ipa_interrupt *interrupt = ipa->interrupt; + ipa->uc_powered = false; ipa->uc_loaded = false; - ipa_interrupt_add(ipa->interrupt, IPA_IRQ_UC_0, ipa_uc_event_handler); - ipa_interrupt_add(ipa->interrupt, IPA_IRQ_UC_1, ipa_uc_response_hdlr); + ipa_interrupt_add(interrupt, IPA_IRQ_UC_0, ipa_uc_interrupt_handler); + ipa_interrupt_add(interrupt, IPA_IRQ_UC_1, ipa_uc_interrupt_handler); } /* Inverse of ipa_uc_config() */