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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 B4E43C4332B for ; Mon, 23 Mar 2020 14:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93275206F8 for ; Mon, 23 Mar 2020 14:25:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726143AbgCWOZj (ORCPT ); Mon, 23 Mar 2020 10:25:39 -0400 Received: from alexa-out-blr-02.qualcomm.com ([103.229.18.198]:46525 "EHLO alexa-out-blr-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726203AbgCWOZj (ORCPT ); Mon, 23 Mar 2020 10:25:39 -0400 Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by alexa-out-blr-02.qualcomm.com with ESMTP/TLS/AES256-SHA; 23 Mar 2020 19:55:35 +0530 Received: from c-ppvk-linux.qualcomm.com ([10.206.24.34]) by ironmsg01-blr.qualcomm.com with ESMTP; 23 Mar 2020 19:55:05 +0530 Received: by c-ppvk-linux.qualcomm.com (Postfix, from userid 2304101) id 3B1A84C7E; Mon, 23 Mar 2020 19:55:04 +0530 (IST) From: Pradeep P V K To: bjorn.andersson@linaro.org, adrian.hunter@intel.com, robh+dt@kernel.org, ulf.hansson@linaro.org, asutoshd@codeaurora.org, stummala@codeaurora.org, sayalil@codeaurora.org, rampraka@codeaurora.org, vbadigan@codeaurora.org, sboyd@kernel.org, georgi.djakov@linaro.org, mka@chromium.org Cc: linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, agross@kernel.org, linux-mmc-owner@vger.kernel.org, Pradeep P V K Subject: [RFC v6 0/2] Add SDHC interconnect bandwidth scaling Date: Mon, 23 Mar 2020 19:55:00 +0530 Message-Id: <1584973502-14775-1-git-send-email-ppvk@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add interconnect bandwidths for SDHC driver using OPP framework that is required by SDHC driver based on the clock frequency and bus width of the card. Otherwise, the system clocks may run at minimum clock speed and thus affecting the performance. This change is based on [RFC] mmc: host: sdhci-msm: Use the interconnect API (https://lkml.org/lkml/2018/10/11/499) and [PATCH v6] Introduce Bandwidth OPPs for interconnects (https://lkml.org/lkml/2019/12/6/740) Pradeep P V K (2): mmc: sdhci-msm: Add interconnect bus bandwidth scaling support dt-bindings: mmc: sdhci-msm: Add interconnect BW scaling strings .../devicetree/bindings/mmc/sdhci-msm.txt | 18 ++ drivers/mmc/host/sdhci-msm.c | 240 ++++++++++++++++++++- 2 files changed, 254 insertions(+), 4 deletions(-) -- RFC v5 -> v6: - Added Rob's Acked-by and Bjorn Reviewed-by for the DT patch. - Added new goto jump tag to put both icc paths. - Removed bus vote data error check and added is_null check. - Addressed minor code style comments.