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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 987FEC74A5B for ; Sun, 26 Mar 2023 17:35:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229887AbjCZRf1 (ORCPT ); Sun, 26 Mar 2023 13:35:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbjCZRfZ (ORCPT ); Sun, 26 Mar 2023 13:35:25 -0400 Received: from mail-yw1-x1149.google.com (mail-yw1-x1149.google.com [IPv6:2607:f8b0:4864:20::1149]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A2ED4C03 for ; Sun, 26 Mar 2023 10:35:24 -0700 (PDT) Received: by mail-yw1-x1149.google.com with SMTP id 00721157ae682-541888850d4so66582007b3.21 for ; Sun, 26 Mar 2023 10:35:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1679852123; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=8RaHSVWTJSnn02Olin7w+pvQXlMrY8VwSVjxsNhW3jw=; b=PHZst7jsbRQmhKifgwxo7mStAuo/tpfibTL8fS17ydBfof+K9WnRKB36/a5TOKJ8/t v7ppzG+XE+wbInX2Gj2xRtLzQMVyhiEJ8wi8Noeigcl3jn8Bm6yde690czGaxdXdX606 to18odJKzZiqBdSQOp5yogYYtvELKByEwwgkSZVjwrh2IihvN+d6WCGCa9CrADDbWWuT XRTgEeCTAl9XKjDu4mCPE5di5Ia/OZJ6/MshPIzCtGwnZH9Eyp1Mz7IVINGvDhYDr/cV 5o6DvLaEItsmgWSTnaC9WmxHvtHBparGbDOD1WDLodtn6E3MUZYIs6n8G4e1gN/5BzmR kPfA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679852123; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=8RaHSVWTJSnn02Olin7w+pvQXlMrY8VwSVjxsNhW3jw=; b=Yb11y37Z5CpXXVIwZaIwnD0ynle7Pppd0Yy+g6qx7VEVttmAVZijHTH89pta6r3mpG y2EDpQf804cDrsqHc+fL4sdattlXw7+38i1BgoTNK+EZBODa1owMvUN6ZamP6x1RIZOv LfVT2H8Q1hMOWlhl0wiEY8DT6Kb3/H5zlfG0YPkx+RvbftC2s2tOcYrA2pczGaxNXX/k 5HlfxwU4qO8/UUC8o5mBbPG53/fz2NIcDJJel89vSNktiCScM/Uddmlx/7UaaNdQqnlg pOWQFRbXfxX0teBcexr5ucOeqq0Hd+ndRIOm4zcK9ozf0EhD5oxhBuZNYMBgBcNSzlXK vVcA== X-Gm-Message-State: AAQBX9ebci0XAdD3zr0TUF0AO4Vql60P0pX3H/exqFbF3XknYJGo+/LV 5kYTi1SlGFEQqIQ+TSghGzPX6jjBgmThWw== X-Google-Smtp-Source: AKy350YojcWSKkpB3jG6a7FElkGpMoXsRM6pAISAmXcv+NTb/O9Iww2Zv/YDDmhzI3miclD8+ShCBVLT4UXJBQ== X-Received: from joychakr.c.googlers.com ([fda3:e722:ac3:cc00:4f:4b78:c0a8:6ea]) (user=joychakr job=sendgmr) by 2002:a81:a742:0:b0:541:a0cc:2a09 with SMTP id e63-20020a81a742000000b00541a0cc2a09mr4212382ywh.7.1679852123705; Sun, 26 Mar 2023 10:35:23 -0700 (PDT) Date: Sun, 26 Mar 2023 17:35:09 +0000 Mime-Version: 1.0 X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230326173511.710749-1-joychakr@google.com> Subject: [PATCH v3 0/2] spi: dw: DW SPI DMA Driver updates From: Joy Chakraborty To: Serge Semin , Mark Brown Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, manugautam@google.com, rohitner@google.com, Joy Chakraborty Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This Patch series adds support for 32 bits per word trasfers using DMA and some defensive checks around dma controller capabilities. --- V1 Changes : Add support for AxSize=4 bytes to support 32bits/word --- V1->V2 Changes : Add dma capability check to make sure address widths are supported --- V2->V3 Changes : Split changes , add DMA direction check and other cosmetic chnages. --- Joy Chakraborty (2): spi: dw: Add 32 bpw support to DW DMA Controller spi: dw: Add dma controller capability checks drivers/spi/spi-dw-dma.c | 67 +++++++++++++++++++++++++++++++--------- drivers/spi/spi-dw.h | 1 + 2 files changed, 53 insertions(+), 15 deletions(-) -- 2.40.0.348.gf938b09366-goog