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[23.128.96.18]) by mx.google.com with ESMTP id n26si1928108ejy.188.2020.05.08.19.28.45; Fri, 08 May 2020 19:29:07 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@mg.codeaurora.org header.s=smtp header.b=V9ues2z8; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728701AbgEIC1O (ORCPT + 99 others); Fri, 8 May 2020 22:27:14 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:43393 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728681AbgEIC1M (ORCPT ); Fri, 8 May 2020 22:27:12 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1588991231; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=m26u8GXRAfLww1UnzFHikWU4UVdgIijSum+gcPCH04E=; b=V9ues2z8TTsuZEQ0UA6ziUZWskKySaiY5NQWxS8bS8EggFlugK85PJZt7xdAq0l4rrHqp+OF 32WzKufZQTbskFf/dSO2mlu1+aP5JIlRX7gZCi16bqRjLWvyJ4cOlEMvR8+6asxLPX5dm9bp iMcvBXtmR5snDk2AO1wxDFwsEDs= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5eb614f2.7fea93da5378-smtp-out-n01; Sat, 09 May 2020 02:26:58 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 22919C44795; Sat, 9 May 2020 02:26:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from bbhatt-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9B06FC432C2; Sat, 9 May 2020 02:26:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9B06FC432C2 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=bbhatt@codeaurora.org From: Bhaumik Bhatt To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, Bhaumik Bhatt Subject: [PATCH v7 2/8] bus: mhi: core: Cache intmod from mhi event to mhi channel Date: Fri, 8 May 2020 19:26:42 -0700 Message-Id: <1588991208-26928-3-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1588991208-26928-1-git-send-email-bbhatt@codeaurora.org> References: <1588991208-26928-1-git-send-email-bbhatt@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hemant Kumar Driver is using zero initialized intmod value from mhi channel when configuring TRE for bei field. This prevents interrupt moderation to take effect in case it is supported by an event ring. Fix this by copying intmod value from associated event ring to mhi channel upon registering mhi controller. Signed-off-by: Hemant Kumar Signed-off-by: Bhaumik Bhatt Reviewed-by: Jeffrey Hugo --- drivers/bus/mhi/core/init.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index eb2ab05..1a93d24 100644 --- a/drivers/bus/mhi/core/init.c +++ b/drivers/bus/mhi/core/init.c @@ -863,6 +863,10 @@ int mhi_register_controller(struct mhi_controller *mhi_cntrl, mutex_init(&mhi_chan->mutex); init_completion(&mhi_chan->completion); rwlock_init(&mhi_chan->lock); + + /* used in setting bei field of TRE */ + mhi_event = &mhi_cntrl->mhi_event[mhi_chan->er_index]; + mhi_chan->intmod = mhi_event->intmod; } if (mhi_cntrl->bounce_buf) { -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project