From patchwork Thu Jun 4 03:46:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 214467 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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 B6784C433DF for ; Thu, 4 Jun 2020 03:47:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 905EA20756 for ; Thu, 4 Jun 2020 03:47:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pwMJgwX+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726960AbgFDDrB (ORCPT ); Wed, 3 Jun 2020 23:47:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38650 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726793AbgFDDrA (ORCPT ); Wed, 3 Jun 2020 23:47:00 -0400 Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AB29C03E96D; Wed, 3 Jun 2020 20:46:59 -0700 (PDT) Received: by mail-pg1-x542.google.com with SMTP id p30so2901551pgl.11; Wed, 03 Jun 2020 20:46:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=vIelIHMHC9bmcO62i5sJQbllpydzbql+AW2fKGKLm8w=; b=pwMJgwX+JwNqqrwv3Yn6+talwqvr3l+j3eiRhOeemebCxVbfw3/Jh3bCdkVn3S9hdn 1P6mxCJuELmrmk11evGM07gHh65TJ4x2tmyyl76BWNjex+NwhQZa46uuLmUve1zFK90C EIPkQ6it+24y7HsxiI1wqw4f0MZB2eiKu8OtIU842VX/WEddK15W73xUT6hbuKHLRNPe pY/QAehksOROpPCGnKfZbSGSCrWO00/A66SjOS9mxab8610GtpHm+36wAzhCWPb8d+EN QqHHQ32YTZJMpRczVy5FctkD4D8lrooQpnVrrv/+ZbeHV3dVyzlj7p0VI7TiF4mqUg5/ ouZQ== 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; bh=vIelIHMHC9bmcO62i5sJQbllpydzbql+AW2fKGKLm8w=; b=aWQIBWLUJ8dCj+rKLLtlvxKeGnjjsUO3Hbg9I3m7xR/ngI+I1Cp0vrW1AQBLkDkIcL lPi1ABa+YIR1J6uUNoEEdZr2EzswzvqqxMbQ1mSEr6/Hap6zIByrW1CAJXd2neP7ZC0C Fh6DGTVlKw4RYG/bUzUxjVRMIMOiXgm/FEbfZaVtZuZmbRT2bi6whd+rR+EDB7orxcUf Lnm5PryH+KbQUd+9U7musKUZyCamICIUZUKWUmtWXOpWRWEZy8UaF1+Ct5GUaiybMYv3 t1ZPWFpD6E/4wBeiiFOatDVkrE7FRL6cY79kuaUxAsUp3TerfQoOr+Wt1In8ZpypFKI9 8PIA== X-Gm-Message-State: AOAM533xzm/k+x9XZ/Wer69RHPpYjsJYxpt2VILW+lwp2p2fUYargmdx U7uvG3MQYqtBIM1IOyMpLULrnOcv X-Google-Smtp-Source: ABdhPJzAsFSdg/Xoho3piRcJExQi4MMZ1DyC2gHEk1MrkiQq2B109Fcf+SCBNd5L6CmKmGKTiwn5QQ== X-Received: by 2002:a05:6a00:807:: with SMTP id m7mr2357570pfk.246.1591242418671; Wed, 03 Jun 2020 20:46:58 -0700 (PDT) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id p19sm3083367pff.116.2020.06.03.20.46.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2020 20:46:57 -0700 (PDT) From: Florian Fainelli To: linux-kernel@vger.kernel.org Cc: Florian Fainelli , Mark Brown , Rob Herring , Nicolas Saenz Julienne , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM281XX/BCM11XXX/BCM216XX ARM ARCHITE...), linux-spi@vger.kernel.org (open list:SPI SUBSYSTEM), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), Martin Sperl , lukas@wunner.de Subject: [PATCH 0/3] spi: bcm2835: Enable shared interrupt support Date: Wed, 3 Jun 2020 20:46:52 -0700 Message-Id: <20200604034655.15930-1-f.fainelli@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Hi Mark, Lukas, This patch series is implementing the approach that was discussed in response to this previous submission: https://lore.kernel.org/linux-arm-kernel/20200528185805.28991-1-nsaenzjulienne@suse.de/ It aims to have dedicated interrupt handlers for 2835 versus 2711/7211 so as to minimize the overhead for 2835. Florian Fainelli (3): dt-bindings: spi: Document bcm2711 and bcm7211 SPI compatible ARM: dts: bcm2711: Update SPI nodes compatible strings spi: bcm2835: Enable shared interrupt support .../bindings/spi/brcm,bcm2835-spi.txt | 3 +- arch/arm/boot/dts/bcm2711.dtsi | 8 ++-- drivers/spi/spi-bcm2835.c | 48 +++++++++++++++---- 3 files changed, 44 insertions(+), 15 deletions(-)