From patchwork Wed Sep 16 19:56:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hemant Kumar X-Patchwork-Id: 292818 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=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 37022C43461 for ; Wed, 16 Sep 2020 19:58:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D0EB220936 for ; Wed, 16 Sep 2020 19:58:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="ZR7fONdA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727119AbgIPT6T (ORCPT ); Wed, 16 Sep 2020 15:58:19 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:52902 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727256AbgIPT4a (ORCPT ); Wed, 16 Sep 2020 15:56:30 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1600286189; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=Up7I/CriwmOnAvRCo5VD/fL2c6xGM0a9cxYx/5GGg1k=; b=ZR7fONdA+mLb5xdeuW9Uum5s6wn3qjxxPy1ddFORFYyujYpMB/fggCuAnvdPR4lKtbhDM+FH AOPjl4dQMjxW6nRND8BgnwrM19CcB0BUVjUwb1SVyKaff7teLuqrQWi9l7moxZvBNxN0pRkz ogTRCjlUX1B/pcamvxx/clh7vDs= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 5f626de04a8a578ddc09d7b1 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 16 Sep 2020 19:56:16 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E9E39C433CA; Wed, 16 Sep 2020 19:56:15 +0000 (UTC) Received: from codeaurora.org (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: hemantk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2E38BC433FE; Wed, 16 Sep 2020 19:56:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2E38BC433FE 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=fail smtp.mailfrom=hemantk@codeaurora.org From: Hemant Kumar To: manivannan.sadhasivam@linaro.org, gregkh@linuxfoundation.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jhugo@codeaurora.org, bbhatt@codeaurora.org, Hemant Kumar Subject: [PATCH v6 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file Date: Wed, 16 Sep 2020 12:56:05 -0700 Message-Id: <1600286167-4432-3-git-send-email-hemantk@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1600286167-4432-1-git-send-email-hemantk@codeaurora.org> References: <1600286167-4432-1-git-send-email-hemantk@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently this macro is defined in internal MHI header as a TRE length mask. Moving it to external header allows MHI client drivers to set this upper bound for the transmit buffer size. Signed-off-by: Hemant Kumar Reviewed-by: Manivannan Sadhasivam --- drivers/bus/mhi/core/internal.h | 1 - include/linux/mhi.h | 3 +++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/bus/mhi/core/internal.h b/drivers/bus/mhi/core/internal.h index 7989269..4abf0cf 100644 --- a/drivers/bus/mhi/core/internal.h +++ b/drivers/bus/mhi/core/internal.h @@ -453,7 +453,6 @@ enum mhi_pm_state { #define CMD_EL_PER_RING 128 #define PRIMARY_CMD_RING 0 #define MHI_DEV_WAKE_DB 127 -#define MHI_MAX_MTU 0xffff #define MHI_RANDOM_U32_NONZERO(bmsk) (prandom_u32_max(bmsk) + 1) enum mhi_er_type { diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 6565528..610f3b0 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -16,6 +16,9 @@ #include #include +/* MHI client drivers to set this upper bound for tx buffer */ +#define MHI_MAX_MTU 0xffff + #define MHI_MAX_OEM_PK_HASH_SEGMENTS 16 struct mhi_chan;