From patchwork Tue Apr 19 08:46:40 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schiffer X-Patchwork-Id: 563889 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 7AF8EC433EF for ; Tue, 19 Apr 2022 08:47:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240442AbiDSIt6 (ORCPT ); Tue, 19 Apr 2022 04:49:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346851AbiDSIt4 (ORCPT ); Tue, 19 Apr 2022 04:49:56 -0400 Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 462D11DA5F; Tue, 19 Apr 2022 01:47:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1650358034; x=1681894034; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jmtUmX9TsVdQnWmEZl+ibd5oWqIkKPblhcl2o3QfvF0=; b=MHlLkr+KP0nfuBc3YHIlNBCnlK8plBYD0A9Ahvt/Wr4jHFQ7mbVTrhGo TizCLDNlI7zh99nhOgZ8leQot2ya8jlDMB2qI8PqiXdUG7eBFM0EnnGM8 RXSIFXRHNBQGgivFA9nUCJ157/2xEi/jzwrE1ebDvDUFKf9oxoDHMknkY lSYMyjCLU6H8cSCQtyK5dlRPXeqyU6F7/P8xqXvtIlVkUdi70WrUVvtkg 4LX60wSfndMYYakZcG9WkYGP8hVRCrOoBWZejZyqLzzx5jneG6RLA71pf Tc4bxt9OhZ3kHMwwLXgc3b55IQbQwe9tNNbrLgxyeYpHJKy1PIk2v+2Z6 A==; X-IronPort-AV: E=Sophos;i="5.90,272,1643670000"; d="scan'208";a="23351063" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 19 Apr 2022 10:47:08 +0200 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Tue, 19 Apr 2022 10:47:09 +0200 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Tue, 19 Apr 2022 10:47:09 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1650358029; x=1681894029; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jmtUmX9TsVdQnWmEZl+ibd5oWqIkKPblhcl2o3QfvF0=; b=PmJlmtyeml1T/3hMMy7BHykfYDtq+L1iy8xf1Nlj9j/kqfsDYfEMHEFA s8n7Eh9bbwOsELAAdqUzfs+luCJBiJS/38ifLo2dmRQmmoGAl9aaVXzkV GRjSBFE2Pp7fHzG9feDhueZMRI2wT0MN4I2eoWqYX/H6LRLNq5qFOmxKJ kHWyKdVhAjzMw9EAxXCWrhCNYhJpW98NA4kYTDdeBXe78SRBLrRHZNMiV BHnX30w3+dZXRXr+hLzse8VZtZUjeTyzdE/dwCaAyepxPe2F3TYCX//zs JTCo78Ur7R1TWoVt7p3EyaxVygYDXJdyp2gA6ubETxEIN1vmp1QjdiiuS Q==; X-IronPort-AV: E=Sophos;i="5.90,272,1643670000"; d="scan'208";a="23351046" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 19 Apr 2022 10:47:02 +0200 Received: from localhost.localdomain (SCHIFFERM-M2.tq-net.de [10.121.49.14]) by vtuxmail01.tq-net.de (Postfix) with ESMTPA id 013C8280075; Tue, 19 Apr 2022 10:46:57 +0200 (CEST) From: Matthias Schiffer To: Mark Brown Cc: Pratyush Yadav , Tudor Ambarus , Vignesh Raghavendra , Ramuthevar Vadivel Murugan , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, Matthias Schiffer Subject: [PATCH 2/2] spi: cadence-quadspi: allow operations with cmd/addr buswidth >1 Date: Tue, 19 Apr 2022 10:46:40 +0200 Message-Id: <20220419084640.191299-2-matthias.schiffer@ew.tq-group.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220419084640.191299-1-matthias.schiffer@ew.tq-group.com> References: <20220419084640.191299-1-matthias.schiffer@ew.tq-group.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org With the improved cqspi_set_protocol(), ops with cmd/addr buswidth >1 are now working correctly. Tested on a TI AM64x with a Macronix MX25U51245G QSPI flash using 1-4-4 operations. DTR operations are currently untested, so we leave them disabled for now (except for the previosly allowed 8-8-8 ops). Signed-off-by: Matthias Schiffer --- drivers/spi/spi-cadence-quadspi.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 96d14f3847b5..08f39f52e32a 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1370,13 +1370,7 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem, return false; if (op->data.nbytes && op->data.buswidth != 8) return false; - } else if (all_false) { - /* Only 1-1-X ops are supported without DTR */ - if (op->cmd.nbytes && op->cmd.buswidth > 1) - return false; - if (op->addr.nbytes && op->addr.buswidth > 1) - return false; - } else { + } else if (!all_false) { /* Mixed DTR modes are not supported. */ return false; }