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=-18.7 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 4D080C2BB40 for ; Mon, 14 Dec 2020 14:19:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23D0622BE9 for ; Mon, 14 Dec 2020 14:19:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393862AbgLNOT1 (ORCPT ); Mon, 14 Dec 2020 09:19:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2440024AbgLNOTN (ORCPT ); Mon, 14 Dec 2020 09:19:13 -0500 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7589CC061793 for ; Mon, 14 Dec 2020 06:18:33 -0800 (PST) Received: by mail-wr1-x443.google.com with SMTP id w5so12850231wrm.11 for ; Mon, 14 Dec 2020 06:18:33 -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; bh=u23Upri+mVTKw2vMmpl89dQD9K1UaxJ4Tc+YMYk9PIg=; b=UFY54rm7D8guWdkIPJyOoEdfm14WXruuMxCmE1FSZEtLfsBO1Wd6P0pxiuyYNv2Gne eQLwsQ2BSUf+GVwO275ecTkb/UC8ZRrTtA/ig3s5/wG2Hv1TJHxJVUeHNjN908qJ+Ris VUA2bslsCSZ8KZTAb1vqn98Z6SLgATWQqvxlQclQr8sr0P5h5sZy0JtyGIuYteg07nnN EawiRnir+QnZ+NI18qw9FKA/qHuUZ0jFWaVfj7JnI6QsCyxeOCX3r6pdPYrsrsYLWMW+ qqmpITKY6vHMRl5bxR1tccRHZ4njGFpIZ4P37MbkbfpD97Icjw5GCyNjeN4B4MJmAhnm 6Vfw== 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; bh=u23Upri+mVTKw2vMmpl89dQD9K1UaxJ4Tc+YMYk9PIg=; b=bjetDscUFnsP9ygbwEzqbiRmARQYW+sK8eRTyaTmHL/1e2UhWIYmd6P1/yYDVZDkZ3 VcFGmyu8JOSpPbv3+JokE8hiRXL/oUAi8OhZd0lkDkcw49Zuz2qML2Ckz4w1aoSiA7v8 BNpx5CDBbSF3qUWSiOOaaKQXVDcSGyXfYjG33uMQ0iI3DTNp4gX8wzQrtEEkaOSnrnEJ vVQFNZX2NjnlraQ9HW0EQNa+kjiU4jVaai5XNvx7+PJSIMqUbNqNyn3v/Y7ljIP/lJTE RUVI5MxEkkEI33fjn3k9VQCPDZ36b8ZTrNh2tXukRpGe22EezoG+h0SsW+KQ+EPkw3mu ju9A== X-Gm-Message-State: AOAM533GsFM31hLhyuNO6UXRaH/BvuBUIJgvUi3CBSgF3kXWgG3WW9Gb x9iesRbHRx2OJa6Ks6FVBPEHkg== X-Google-Smtp-Source: ABdhPJwfrcDOdbd8chCA7c90+POahz5JyWw1158zHhwR0X7gB6JDQOWeTw1bLa92nkwD2AW2AsPIxg== X-Received: by 2002:adf:db43:: with SMTP id f3mr4719917wrj.70.1607955512084; Mon, 14 Dec 2020 06:18:32 -0800 (PST) Received: from localhost.localdomain ([2a01:e0a:490:8730:f2e4:25b3:2b53:52cd]) by smtp.gmail.com with ESMTPSA id h5sm34126285wrp.56.2020.12.14.06.18.31 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 14 Dec 2020 06:18:31 -0800 (PST) From: Loic Poulain To: manivannan.sadhasivam@linaro.org, hemantk@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, bbhatt@codeaurora.org, Loic Poulain Subject: [PATCH v5 03/10] mhi: pci-generic: Increase number of hardware events Date: Mon, 14 Dec 2020 15:25:30 +0100 Message-Id: <1607955937-26951-4-git-send-email-loic.poulain@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607955937-26951-1-git-send-email-loic.poulain@linaro.org> References: <1607955937-26951-1-git-send-email-loic.poulain@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org If the IPA (IP hardware accelerator) is starved of event ring elements, the modem is crashing (SDX55). That can be prevented by setting a larger number of events (i.e 2 x number of channel ring elements). Tested with FN980m module. Signed-off-by: Loic Poulain Reviewed-by: Manivannan Sadhasivam --- drivers/bus/mhi/pci_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bus/mhi/pci_generic.c b/drivers/bus/mhi/pci_generic.c index e3df838..13a7e4f 100644 --- a/drivers/bus/mhi/pci_generic.c +++ b/drivers/bus/mhi/pci_generic.c @@ -91,7 +91,7 @@ struct mhi_pci_dev_info { #define MHI_EVENT_CONFIG_HW_DATA(ev_ring, ch_num) \ { \ - .num_elements = 128, \ + .num_elements = 256, \ .irq_moderation_ms = 5, \ .irq = (ev_ring) + 1, \ .priority = 1, \ -- 2.7.4