From mboxrd@z Thu Jan 1 00:00:00 1970 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=ham 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 78237C433E6 for ; Fri, 5 Mar 2021 12:40:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 563B264EE8 for ; Fri, 5 Mar 2021 12:40:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232568AbhCEMjt (ORCPT ); Fri, 5 Mar 2021 07:39:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233227AbhCEMjc (ORCPT ); Fri, 5 Mar 2021 07:39:32 -0500 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E02CFC061574 for ; Fri, 5 Mar 2021 04:39:31 -0800 (PST) Received: by mail-wm1-x332.google.com with SMTP id h7so1336646wmf.3 for ; Fri, 05 Mar 2021 04:39:31 -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; bh=7qoy8ws0GMoO76ZFzFvVASvAp1cibtRrbaHfOrGKlvA=; b=NR94e4OS/m19B6HSWIRpVegjAC6v0BYTYXiV6EiuwFVW8PWSWX2XLquzU1f9DKuJvU C1gB0OCWqnq2IVuBYCFKWsYyq/RPJ5rJVvK2jDHw+xpvgmhQHWsUbyZtuloPaAlZsxdD c4DNhFO/hDhXd3KkYARU+8jzCCeb3PxTmFAG3SM7MbstPz7s8m8qs3Z/SdKdHxqJ9Avk a6ua8TBbOHrFPI1xoVPTFDfq0Ossgz0trc8kwTBDZm63m9jEowuPeYQZjrZwoyQFUgs3 tft3mNB7+qQuYC0GjEra45QHB+bf8ZhtRQN+J0p+sXdvwtNu8ZdTk8UwgOU+SkdQsWOv Ok8Q== 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; bh=7qoy8ws0GMoO76ZFzFvVASvAp1cibtRrbaHfOrGKlvA=; b=mbGHOFYc9GZG70uGbQ1XprXNGDaBKt/umK186bU8Kpb7+fGox905XCaY9HYg8Ywmzh vMk2lwaSPDbuIyJ+cXl7BG89IZtt2UqMmJZyJk3WPHhIHTa8NWjSXZ2EPqmTmt/w2Vcs hoyIXh+F2ftp9A+QDtNhbSuUxeymjxIhdua/C7EfSLajFyU+nWQ0qi7/Cszf7mqAZLaU Mehw8qq8IkuzQBoXoKYWBMfPTsupmk8naHuV6X9Ov8fnvdqVtmA3i3qoXx9FQ28mzh/C 2nS0RaudLkRXnTIStx4OB4XMoUflUgbTFRMR+WFzLDnSB3dG+PS7MVw0Z1Mz8a49CVht vR5Q== X-Gm-Message-State: AOAM532U2UXwEOSaex0xNnlYLQtrp+Cn476s8ULXkBrJOB8ECkJs3tAO TaqNZdobNHx3sySMB8rgAMbThQ== X-Google-Smtp-Source: ABdhPJzSCDQ528eqXwY434W8htpi1uXWk11TbC5OfQ6FwFm2MmPm9I854tpqz2f+CFH4ECCBhstvVA== X-Received: by 2002:a1c:68c5:: with SMTP id d188mr8392943wmc.119.1614947970517; Fri, 05 Mar 2021 04:39:30 -0800 (PST) Received: from localhost.localdomain ([2a01:e0a:82c:5f0:55da:a740:2edb:1c7e]) by smtp.gmail.com with ESMTPSA id f5sm4173256wrx.39.2021.03.05.04.39.29 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 05 Mar 2021 04:39:30 -0800 (PST) From: Loic Poulain To: manivannan.sadhasivam@linaro.org, hemantk@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, Loic Poulain Subject: [PATCH v2 1/6] mhi: pci_generic: Parametrable element count for events Date: Fri, 5 Mar 2021 13:47:53 +0100 Message-Id: <1614948478-2284-1-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Not all hardwares need to use the same number of event ring elements. This change makes this parametrable. Signed-off-by: Loic Poulain Reviewed-by: Manivannan Sadhasivam --- v2: no change drivers/bus/mhi/pci_generic.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index 8187fcf..c58bf96 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -71,9 +71,9 @@ struct mhi_pci_dev_info { .doorbell_mode_switch = false, \ } -#define MHI_EVENT_CONFIG_CTRL(ev_ring) \ +#define MHI_EVENT_CONFIG_CTRL(ev_ring, el_count) \ { \ - .num_elements = 64, \ + .num_elements = el_count, \ .irq_moderation_ms = 0, \ .irq = (ev_ring) + 1, \ .priority = 1, \ @@ -114,9 +114,9 @@ struct mhi_pci_dev_info { .doorbell_mode_switch = true, \ } -#define MHI_EVENT_CONFIG_DATA(ev_ring) \ +#define MHI_EVENT_CONFIG_DATA(ev_ring, el_count) \ { \ - .num_elements = 128, \ + .num_elements = el_count, \ .irq_moderation_ms = 5, \ .irq = (ev_ring) + 1, \ .priority = 1, \ @@ -127,9 +127,9 @@ struct mhi_pci_dev_info { .offload_channel = false, \ } -#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, ch_num) \ +#define MHI_EVENT_CONFIG_HW_DATA(ev_ring, el_count, ch_num) \ { \ - .num_elements = 2048, \ + .num_elements = el_count, \ .irq_moderation_ms = 1, \ .irq = (ev_ring) + 1, \ .priority = 1, \ @@ -156,12 +156,12 @@ static const struct mhi_channel_config modem_qcom_v1_mhi_channels[] = { static struct mhi_event_config modem_qcom_v1_mhi_events[] = { /* first ring is control+data ring */ - MHI_EVENT_CONFIG_CTRL(0), + MHI_EVENT_CONFIG_CTRL(0, 64), /* DIAG dedicated event ring */ - MHI_EVENT_CONFIG_DATA(1), + MHI_EVENT_CONFIG_DATA(1, 128), /* Hardware channels request dedicated hardware event rings */ - MHI_EVENT_CONFIG_HW_DATA(2, 100), - MHI_EVENT_CONFIG_HW_DATA(3, 101) + MHI_EVENT_CONFIG_HW_DATA(2, 1024, 100), + MHI_EVENT_CONFIG_HW_DATA(3, 2048, 101) }; static struct mhi_controller_config modem_qcom_v1_mhiv_config = { -- 2.7.4