From patchwork Mon Jul 15 12:13:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= X-Patchwork-Id: 1131951 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com 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 ozlabs.org (Postfix) with ESMTPS id 45nMs26mTwz9sND for ; Mon, 15 Jul 2019 22:14:14 +1000 (AEST) Received: from localhost ([::1]:37996 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hmzrw-0007Bp-QQ for incoming@patchwork.ozlabs.org; Mon, 15 Jul 2019 08:14:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60800) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hmzrm-0006mx-TO for qemu-devel@nongnu.org; Mon, 15 Jul 2019 08:14:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hmzrl-0001qK-Rw for qemu-devel@nongnu.org; Mon, 15 Jul 2019 08:14:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36470) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hmzri-0001nd-9O; Mon, 15 Jul 2019 08:13:58 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6F6D5307D913; Mon, 15 Jul 2019 12:13:57 +0000 (UTC) Received: from x1w.redhat.com (unknown [10.40.205.87]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4AAD95C232; Mon, 15 Jul 2019 12:13:47 +0000 (UTC) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, "Dr . David Alan Gilbert" Date: Mon, 15 Jul 2019 14:13:34 +0200 Message-Id: <20190715121338.20600-2-philmd@redhat.com> In-Reply-To: <20190715121338.20600-1-philmd@redhat.com> References: <20190715121338.20600-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Mon, 15 Jul 2019 12:13:57 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v5 1/5] hw/block/pflash_cfi01: Removed an unused timer 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: Kevin Wolf , Peter Maydell , qemu-block@nongnu.org, Laszlo Ersek , Max Reitz , Alistair Francis , Wei Yang , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?b?w6k=?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The 'CFI02' NOR flash was introduced in commit 29133e9a0fff, with timing modelled. One year later, the CFI01 model was introduced (commit 05ee37ebf630) based on the CFI02 model. As noted in the header, "It does not support timings". 12 years later, we never had to model the device timings. Time to remove the unused timer, we can still add it back if required. Suggested-by: Laszlo Ersek Reviewed-by: Wei Yang Reviewed-by: Laszlo Ersek Reviewed-by: Alistair Francis Regression-tested-by: Laszlo Ersek Signed-off-by: Philippe Mathieu-Daudé --- v2: Fixed commit description (Laszlo) --- hw/block/pflash_cfi01.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/hw/block/pflash_cfi01.c b/hw/block/pflash_cfi01.c index db4a246b22..9e34fd4e82 100644 --- a/hw/block/pflash_cfi01.c +++ b/hw/block/pflash_cfi01.c @@ -42,7 +42,6 @@ #include "hw/block/flash.h" #include "sysemu/block-backend.h" #include "qapi/error.h" -#include "qemu/timer.h" #include "qemu/bitops.h" #include "qemu/error-report.h" #include "qemu/host-utils.h" @@ -90,7 +89,6 @@ struct PFlashCFI01 { uint8_t cfi_table[0x52]; uint64_t counter; unsigned int writeblock_size; - QEMUTimer *timer; MemoryRegion mem; char *name; void *storage; @@ -114,18 +112,6 @@ static const VMStateDescription vmstate_pflash = { } }; -static void pflash_timer (void *opaque) -{ - PFlashCFI01 *pfl = opaque; - - trace_pflash_timer_expired(pfl->cmd); - /* Reset flash */ - pfl->status ^= 0x80; - memory_region_rom_device_set_romd(&pfl->mem, true); - pfl->wcycle = 0; - pfl->cmd = 0; -} - /* Perform a CFI query based on the bank width of the flash. * If this code is called we know we have a device_width set for * this flash. @@ -774,7 +760,6 @@ static void pflash_cfi01_realize(DeviceState *dev, Error **errp) pfl->max_device_width = pfl->device_width; } - pfl->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pflash_timer, pfl); pfl->wcycle = 0; pfl->cmd = 0; pfl->status = 0;