From patchwork Tue Dec 17 04:42:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 1210967 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) 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=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="hY0GgRnb"; dkim-atps=neutral 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 47cQXr0Fb8z9sRX for ; Tue, 17 Dec 2019 15:44:44 +1100 (AEDT) Received: from localhost ([::1]:35088 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih4iv-00084s-CN for incoming@patchwork.ozlabs.org; Mon, 16 Dec 2019 23:44:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33251) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih4hu-0007xq-5O for qemu-devel@nongnu.org; Mon, 16 Dec 2019 23:43:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ih4hs-0005Hb-Lt for qemu-devel@nongnu.org; Mon, 16 Dec 2019 23:43:38 -0500 Received: from bilbo.ozlabs.org ([2401:3900:2:1::2]:51499 helo=ozlabs.org) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ih4hs-0005C0-Aj; Mon, 16 Dec 2019 23:43:36 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 47cQWN5LtLz9sS6; Tue, 17 Dec 2019 15:43:28 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1576557808; bh=cIWbSV2hKfff9gsmveOl7Eih/ky92vv9vdYrVaFyE9s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hY0GgRnblNFayn8s02HEx8IabSoGlVzTNXrXtxxr3NE6EhzL1nTTxPLB5NaCKYHt8 VHezLzmxYgiB0PvgSH9Vk3OR+YFDQmlrnsaEjYkfp+Yar9yyMWxiUEYHDUyE2mN+yY nMvMtZ0zBlEf92ocfAQAJ1mjjUZWyrpb7YD6FXdQ= From: David Gibson To: peter.maydell@linaro.org Subject: [PULL 07/88] ppc/pnv: Link "psi" property to PnvLpc::psi pointer Date: Tue, 17 Dec 2019 15:42:01 +1100 Message-Id: <20191217044322.351838-8-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191217044322.351838-1-david@gibson.dropbear.id.au> References: <20191217044322.351838-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 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: lvivier@redhat.com, aik@ozlabs.ru, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Greg Kurz The LPC object has both a pointer and a "psi" property pointing to the PSI object. Confusing bugs could arise if these ever go out of sync. Change the property definition so that it explicitely sets the pointer. Signed-off-by: Greg Kurz Message-Id: <157383334342.165747.3159314903077305653.stgit@bahia.lan> Signed-off-by: David Gibson --- hw/ppc/pnv.c | 8 ++++---- hw/ppc/pnv_lpc.c | 19 ++++++++----------- 2 files changed, 12 insertions(+), 15 deletions(-) diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 4e9ddc05ad..201facc701 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -901,8 +901,6 @@ static void pnv_chip_power8_instance_init(Object *obj) object_initialize_child(obj, "lpc", &chip8->lpc, sizeof(chip8->lpc), TYPE_PNV8_LPC, &error_abort, NULL); - object_property_add_const_link(OBJECT(&chip8->lpc), "psi", - OBJECT(&chip8->psi), &error_abort); object_initialize_child(obj, "occ", &chip8->occ, sizeof(chip8->occ), TYPE_PNV8_OCC, &error_abort, NULL); @@ -981,6 +979,8 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) &PNV_PSI(psi8)->xscom_regs); /* Create LPC controller */ + object_property_set_link(OBJECT(&chip8->lpc), OBJECT(&chip8->psi), "psi", + &error_abort); object_property_set_bool(OBJECT(&chip8->lpc), true, "realized", &error_fatal); pnv_xscom_add_subregion(chip, PNV_XSCOM_LPC_BASE, &chip8->lpc.xscom_regs); @@ -1099,8 +1099,6 @@ static void pnv_chip_power9_instance_init(Object *obj) object_initialize_child(obj, "lpc", &chip9->lpc, sizeof(chip9->lpc), TYPE_PNV9_LPC, &error_abort, NULL); - object_property_add_const_link(OBJECT(&chip9->lpc), "psi", - OBJECT(&chip9->psi), &error_abort); object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ), TYPE_PNV9_OCC, &error_abort, NULL); @@ -1199,6 +1197,8 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) &PNV_PSI(psi9)->xscom_regs); /* LPC */ + object_property_set_link(OBJECT(&chip9->lpc), OBJECT(&chip9->psi), "psi", + &error_abort); object_property_set_bool(OBJECT(&chip9->lpc), true, "realized", &local_err); if (local_err) { error_propagate(errp, local_err); diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index 9466d4a1be..fb9f930320 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -24,7 +24,7 @@ #include "qemu/module.h" #include "hw/irq.h" #include "hw/isa/isa.h" - +#include "hw/qdev-properties.h" #include "hw/ppc/pnv.h" #include "hw/ppc/pnv_lpc.h" #include "hw/ppc/pnv_xscom.h" @@ -682,17 +682,8 @@ static const TypeInfo pnv_lpc_power9_info = { static void pnv_lpc_realize(DeviceState *dev, Error **errp) { PnvLpcController *lpc = PNV_LPC(dev); - Object *obj; - Error *local_err = NULL; - obj = object_property_get_link(OBJECT(dev), "psi", &local_err); - if (!obj) { - error_propagate(errp, local_err); - error_prepend(errp, "required link 'psi' not found: "); - return; - } - /* The LPC controller needs PSI to generate interrupts */ - lpc->psi = PNV_PSI(obj); + assert(lpc->psi); /* Reg inits */ lpc->lpc_hc_fw_rd_acc_size = LPC_HC_FW_RD_4B; @@ -734,12 +725,18 @@ static void pnv_lpc_realize(DeviceState *dev, Error **errp) &lpc->lpc_hc_regs); } +static Property pnv_lpc_properties[] = { + DEFINE_PROP_LINK("psi", PnvLpcController, psi, TYPE_PNV_PSI, PnvPsi *), + DEFINE_PROP_END_OF_LIST(), +}; + static void pnv_lpc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = pnv_lpc_realize; dc->desc = "PowerNV LPC Controller"; + dc->props = pnv_lpc_properties; } static const TypeInfo pnv_lpc_info = {