From patchwork Fri Dec 30 23:22:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alex Elder X-Patchwork-Id: 637896 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 64AAEC4708E for ; Fri, 30 Dec 2022 23:22:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235708AbiL3XWi (ORCPT ); Fri, 30 Dec 2022 18:22:38 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235595AbiL3XWh (ORCPT ); Fri, 30 Dec 2022 18:22:37 -0500 Received: from mail-il1-x136.google.com (mail-il1-x136.google.com [IPv6:2607:f8b0:4864:20::136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D2241D0DD for ; Fri, 30 Dec 2022 15:22:36 -0800 (PST) Received: by mail-il1-x136.google.com with SMTP id z18so12089738ils.3 for ; Fri, 30 Dec 2022 15:22:36 -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=K4WtVwRcqcCUgmYfEzecLg1NkgyQK2BLzDcfIQJWkbQ=; b=yR2Hc5lazanlE/E/Zka7pU/a8AlDQgQOVymRxPsg72chP1ZPDjKfOTjM5yKOkLxvhH en/BWfpXJlC28tVJVnALRUO41fMi820pw1D4OY39x1ufyYa4TAKCYZNYcBxkSSZOpkfD 6QEofGFYQP/RFvfNsLitODzGh1PsEyZioSapKhGNOo3yuG9M+8KN4BOKftQq6CiVRCLp mSpxVl4NTxurXxAD481XSHegiipvU7eV0g3B1DcswDVder8H2GZNlBgAjnNz7x5Wcnw1 Gct/bp4+98R9qJm9xuTdAfihtCYhWsJZmfJu1PN+iDJvPEt/AlOQxHeOS+zEiW8hBIlY C/iQ== 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=K4WtVwRcqcCUgmYfEzecLg1NkgyQK2BLzDcfIQJWkbQ=; b=3p4gl46iWuPowQ1W/4qQ344bTzz7E7XqpGmL2QMnZab8sc99oEW8Gqvhxt9QbJN0C/ P5GI5PWlAGEfYY9UkbGxCa4ja/j/tmqbFg7fgd+BZs4Gy9CdWJ3mFZvxHYOvN2GIXiyN +sZYkdzA0JBUDon9VI8AnYbhyDikZP6OKwlGUClx7Tm6bY+P965h9nCcpCx7+tGfwiCU cdOYelwDsISnYtc0w5BJEFSpxaTwuILT4hjMHEyZHX0U4dyzrdrIEgSlX96aIbEi+nC6 JE7ev5EwjpxyGq1DrNcsEJ/GIy7KOOckpJPiYFSbqWI5FFFDS368JVibFPy9eH8JG41L JTSw== X-Gm-Message-State: AFqh2kqUAO8C0miD/OKu2mkRIWZQFlC0YV82iRsu9D8GcGWkpQYadQKP wOE3gOmtGgZlCNQLiV+riUQHAw== X-Google-Smtp-Source: AMrXdXsLV4A+gBum9yoI2gfwK4bHonG4xj06Cnj1QR3kD6dP36KOnLkE8QQH4bBdvz7UV/z0kvfZoQ== X-Received: by 2002:a05:6e02:1ba1:b0:302:c07e:49f8 with SMTP id n1-20020a056e021ba100b00302c07e49f8mr39063946ili.32.1672442555862; Fri, 30 Dec 2022 15:22:35 -0800 (PST) Received: from presto.localdomain ([98.61.227.136]) by smtp.gmail.com with ESMTPSA id co18-20020a0566383e1200b0038a53fb3911sm7170558jab.97.2022.12.30.15.22.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Dec 2022 15:22:35 -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 2/6] net: ipa: introduce ipa_interrupt_enable() Date: Fri, 30 Dec 2022 17:22:26 -0600 Message-Id: <20221230232230.2348757-3-elder@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221230232230.2348757-1-elder@linaro.org> References: <20221230232230.2348757-1-elder@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Create new function ipa_interrupt_enable() to encapsulate enabling one of the IPA interrupt types. Introduce ipa_interrupt_disable() to reverse that operation. Add a helper function to factor out the common register update used by both. Use these in ipa_interrupt_add() and ipa_interrupt_remove(). Signed-off-by: Alex Elder --- drivers/net/ipa/ipa_interrupt.c | 41 ++++++++++++++++++++------------- 1 file changed, 25 insertions(+), 16 deletions(-) diff --git a/drivers/net/ipa/ipa_interrupt.c b/drivers/net/ipa/ipa_interrupt.c index a49f66efacb87..7b7388c14806f 100644 --- a/drivers/net/ipa/ipa_interrupt.c +++ b/drivers/net/ipa/ipa_interrupt.c @@ -127,6 +127,29 @@ static irqreturn_t ipa_isr_thread(int irq, void *dev_id) return IRQ_HANDLED; } +static void ipa_interrupt_enabled_update(struct ipa *ipa) +{ + const struct ipa_reg *reg = ipa_reg(ipa, IPA_IRQ_EN); + + iowrite32(ipa->interrupt->enabled, ipa->reg_virt + ipa_reg_offset(reg)); +} + +/* Enable an IPA interrupt type */ +static void ipa_interrupt_enable(struct ipa *ipa, enum ipa_irq_id ipa_irq) +{ + /* Update the IPA interrupt mask to enable it */ + ipa->interrupt->enabled |= BIT(ipa_irq); + ipa_interrupt_enabled_update(ipa); +} + +/* Disable an IPA interrupt type */ +static void ipa_interrupt_disable(struct ipa *ipa, enum ipa_irq_id ipa_irq) +{ + /* Update the IPA interrupt mask to disable it */ + ipa->interrupt->enabled &= ~BIT(ipa_irq); + ipa_interrupt_enabled_update(ipa); +} + /* Common function used to enable/disable TX_SUSPEND for an endpoint */ static void ipa_interrupt_suspend_control(struct ipa_interrupt *interrupt, u32 endpoint_id, bool enable) @@ -205,36 +228,22 @@ void ipa_interrupt_simulate_suspend(struct ipa_interrupt *interrupt) void ipa_interrupt_add(struct ipa_interrupt *interrupt, enum ipa_irq_id ipa_irq, ipa_irq_handler_t handler) { - struct ipa *ipa = interrupt->ipa; - const struct ipa_reg *reg; - if (WARN_ON(ipa_irq >= IPA_IRQ_COUNT)) return; interrupt->handler[ipa_irq] = handler; - /* Update the IPA interrupt mask to enable it */ - interrupt->enabled |= BIT(ipa_irq); - - reg = ipa_reg(ipa, IPA_IRQ_EN); - iowrite32(interrupt->enabled, ipa->reg_virt + ipa_reg_offset(reg)); + ipa_interrupt_enable(interrupt->ipa, ipa_irq); } /* Remove the handler for an IPA interrupt type */ void ipa_interrupt_remove(struct ipa_interrupt *interrupt, enum ipa_irq_id ipa_irq) { - struct ipa *ipa = interrupt->ipa; - const struct ipa_reg *reg; - if (WARN_ON(ipa_irq >= IPA_IRQ_COUNT)) return; - /* Update the IPA interrupt mask to disable it */ - interrupt->enabled &= ~BIT(ipa_irq); - - reg = ipa_reg(ipa, IPA_IRQ_EN); - iowrite32(interrupt->enabled, ipa->reg_virt + ipa_reg_offset(reg)); + ipa_interrupt_disable(interrupt->ipa, ipa_irq); interrupt->handler[ipa_irq] = NULL; }