From patchwork Sat Oct 17 04:04:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hemant Kumar X-Patchwork-Id: 11842593 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 22AFC16BC for ; Sat, 17 Oct 2020 05:59:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0942A20709 for ; Sat, 17 Oct 2020 05:59:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="Mtb8V92H" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436661AbgJQF7a (ORCPT ); Sat, 17 Oct 2020 01:59:30 -0400 Received: from z5.mailgun.us ([104.130.96.5]:19564 "EHLO z5.mailgun.us" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2436769AbgJQF7a (ORCPT ); Sat, 17 Oct 2020 01:59:30 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1602914370; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=qucXD7qdX5YeHaYZIM4ZtdQqRSs/itOMZS+owSrSP/M=; b=Mtb8V92HHPl0PVaoDNuXlsn4KTBZZQjbZRvnUk9+/PBXoSMFtrc4ILVOzvnHoK68pOBSwQOo NUBK9CtJ34w5mjlF0CLrmzCCvImg2+O3NoxMjH2b+TV0IY00reBU6sK+CjgNjRvpLJmcZKGh w76hicBDYY807Z8/PCOICiyuXE0= X-Mailgun-Sending-Ip: 104.130.96.5 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-n05.prod.us-east-1.postgun.com with SMTP id 5f8a6d4c588858a304b2ec47 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Sat, 17 Oct 2020 04:04:28 GMT Sender: hemantk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id DA191C433FE; Sat, 17 Oct 2020 04:04:27 +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=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 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 2B620C433CB; Sat, 17 Oct 2020 04:04:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2B620C433CB 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, loic.poulain@linaro.org, Hemant Kumar Subject: [PATCH v7 2/4] bus: mhi: core: Move MHI_MAX_MTU to external header file Date: Fri, 16 Oct 2020 21:04:15 -0700 Message-Id: <1602907457-13680-3-git-send-email-hemantk@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1602907457-13680-1-git-send-email-hemantk@codeaurora.org> References: <1602907457-13680-1-git-send-email-hemantk@codeaurora.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: Jeffrey Hugo 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 7829b1d..6e1122c 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -15,6 +15,9 @@ #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;