From patchwork Tue Jan 19 13:01:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Francisco Iglesias X-Patchwork-Id: 12029781 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=-13.6 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 5270FC433E0 for ; Tue, 19 Jan 2021 13:09:33 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BA34420644 for ; Tue, 19 Jan 2021 13:09:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BA34420644 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:55258 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l1qlH-0002iM-Ef for qemu-devel@archiver.kernel.org; Tue, 19 Jan 2021 08:09:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:44372) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l1qeD-0006Uz-1r for qemu-devel@nongnu.org; Tue, 19 Jan 2021 08:02:14 -0500 Received: from mail-lj1-x233.google.com ([2a00:1450:4864:20::233]:42378) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1l1qe4-0005vc-0I for qemu-devel@nongnu.org; Tue, 19 Jan 2021 08:02:12 -0500 Received: by mail-lj1-x233.google.com with SMTP id j3so2082102ljb.9 for ; Tue, 19 Jan 2021 05:02:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xFkGVZT5LAaP1cSLjH/YT+DBh9Jxe/ABwDeVi+JdLe0=; b=gL5K9Zmt7ROthD+wyW1/UdrmagfT/iffRZXPpCvVJVOUugNdEzaoez1jUpy5XCKiMc nWWM0etmATYocwHh/BzWgDuvx0hRHy3961589LQ/qR/AUXy6x+uyHTRNGm1m7BmjkWV8 lsBrF90bcySX+hgJlyt58MhSvZZ3upMsUR9Ibzhc7ypJ6tWPNDF+BKnNXk0uEEfd4ysu tqnc8ALtQ0Y4i0n+khXaOHGoRk+IgEA/qOmvqWSJuKWsvQuhJqIs9SrBT1nmleqa9SU9 pZp/svZ+ALxsKwDVMJliBnnPNlc4SZGiJVTn8SHbhE0HX22ULs0Udm1ljlFnctJSLkg4 qAEQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=xFkGVZT5LAaP1cSLjH/YT+DBh9Jxe/ABwDeVi+JdLe0=; b=Ck2u1N5eQowURnRAkFki+s76C1XFfM2xryaT3EYyuxlrJLpx/Dd2WxLOSsxSsPpD9Z Uqixam3NkEtAz6uFcmhLWB34BVRDtKTFbHPvlbRVM6xUhQnlvXpcZEq7cUba+JPR+j/9 cnEPRIi6cgJyiKbXUQsetBIqgBUup6MjYCkVdmNUTIQFdep0HknLmBAVMB6SmohxodY3 g7U5/SdY2KwGEkS9RN51Oh3BhNWpGjOH2VKSRNOI/9yQiox9imiNJsVWzAV21OaF6jeR V+oWqKIGnarIYsOY5gd8gEJIvuMT9SIgOS3PcWjs4DDtKuABQ2P+mQrRIvXN11udchs4 3jrQ== X-Gm-Message-State: AOAM530Nh+VPkU4exq/NSWNo7E6errsyxt7vMkMMyTSup1E+uE9WA/P9 2/Xc7JAo4Wxti+UZm1b1A+9jaH+OLcPq0g== X-Google-Smtp-Source: ABdhPJxJpcU/+DY3qaI5Y3J0MckNDUExZO9j3RX/dE6Lil+8oDrZZU5dICGzpOe5JrFWonAaQAvaAg== X-Received: by 2002:a2e:9410:: with SMTP id i16mr1798130ljh.183.1611061320229; Tue, 19 Jan 2021 05:02:00 -0800 (PST) Received: from localhost.localdomain (31-208-27-151.cust.bredband2.com. [31.208.27.151]) by smtp.gmail.com with ESMTPSA id e25sm2356745lfc.40.2021.01.19.05.01.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jan 2021 05:01:59 -0800 (PST) From: Francisco Iglesias To: qemu-devel@nongnu.org, frasse.iglesias@gmail.com Subject: [RFC PATCH v1 3/3] hw: ssi: xilinx_spi: Change to use ssi_txfifo_transfer Date: Tue, 19 Jan 2021 14:01:55 +0100 Message-Id: <20210119130155.30194-4-frasse.iglesias@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210119130155.30194-1-frasse.iglesias@gmail.com> References: <20210119130155.30194-1-frasse.iglesias@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::233; envelope-from=frasse.iglesias@gmail.com; helo=mail-lj1-x233.google.com X-Spam_score_int: -1020 X-Spam_score: -102.1 X-Spam_bar: --------------------------------------------------- X-Spam_report: (-102.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, USER_IN_WELCOMELIST=-0.01, USER_IN_WHITELIST=-100 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, alistair@alistair23.me, bin.meng@windriver.com, mreitz@redhat.com, alistair23@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch changes the SPI controller to use the ssi_txfifo_transfer for being able to support SPI flash commands requiring dummy clock cycles. Signed-off-by: Francisco Iglesias --- hw/ssi/xilinx_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/ssi/xilinx_spi.c b/hw/ssi/xilinx_spi.c index 49ff275593..ae34cdc436 100644 --- a/hw/ssi/xilinx_spi.c +++ b/hw/ssi/xilinx_spi.c @@ -179,7 +179,7 @@ static void spi_flush_txfifo(XilinxSPI *s) while (!fifo8_is_empty(&s->tx_fifo)) { tx = (uint32_t)fifo8_pop(&s->tx_fifo); DB_PRINT("data tx:%x\n", tx); - rx = ssi_transfer(s->spi, tx); + rx = ssi_txfifo_transfer(s->spi, tx); DB_PRINT("data rx:%x\n", rx); if (fifo8_is_full(&s->rx_fifo)) { s->regs[R_IPISR] |= IRQ_DRR_OVERRUN;