From patchwork Tue Feb 25 07:28:36 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 323850 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from ozlabs.org (localhost [IPv6:::1]) by ozlabs.org (Postfix) with ESMTP id E2F932C072D for ; Tue, 25 Feb 2014 18:31:05 +1100 (EST) Received: by ozlabs.org (Postfix) id BBE762C00D5; Tue, 25 Feb 2014 18:28:57 +1100 (EST) Delivered-To: linuxppc-dev@ozlabs.org Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id F386B2C0227 for ; Tue, 25 Feb 2014 18:28:56 +1100 (EST) Received: from /spool/local by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Tue, 25 Feb 2014 00:28:51 -0700 Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id 278061FF003E for ; Tue, 25 Feb 2014 00:28:51 -0700 (MST) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by b03cxnp08027.gho.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1P7SPuo61145102 for ; Tue, 25 Feb 2014 08:28:25 +0100 Received: from d03av01.boulder.ibm.com (localhost [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1P7Sop2005432 for ; Tue, 25 Feb 2014 00:28:51 -0700 Received: from shangw (shangw.cn.ibm.com [9.125.213.121]) by d03av01.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with SMTP id s1P7Sn54005365; Tue, 25 Feb 2014 00:28:49 -0700 Received: by shangw (Postfix, from userid 1000) id 198F13026CA; Tue, 25 Feb 2014 15:28:40 +0800 (CST) From: Gavin Shan To: linuxppc-dev@ozlabs.org Subject: [PATCH 3/5] powerpc/powernv: Move PNV_EEH_STATE_ENABLED around Date: Tue, 25 Feb 2014 15:28:36 +0800 Message-Id: <1393313318-6341-4-git-send-email-shangw@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1393313318-6341-1-git-send-email-shangw@linux.vnet.ibm.com> References: <1393313318-6341-1-git-send-email-shangw@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14022507-3532-0000-0000-000005FEE549 Cc: Gavin Shan X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.16 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" The flag PNV_EEH_STATE_ENABLED is put into pnv_phb::eeh_state, which is protected by CONFIG_EEH. We needn't that. Instead, we can have pnv_phb::flags and maintain all flags there, which is the purpose of the patch. The patch also renames PNV_EEH_STATE_ENABLED to PNV_PHB_FLAG_EEH. Signed-off-by: Gavin Shan --- arch/powerpc/platforms/powernv/eeh-ioda.c | 2 +- arch/powerpc/platforms/powernv/pci.c | 8 ++------ arch/powerpc/platforms/powernv/pci.h | 7 +++---- 3 files changed, 6 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c index 0d1d424..04b4710 100644 --- a/arch/powerpc/platforms/powernv/eeh-ioda.c +++ b/arch/powerpc/platforms/powernv/eeh-ioda.c @@ -153,7 +153,7 @@ static int ioda_eeh_post_init(struct pci_controller *hose) } #endif - phb->eeh_state |= PNV_EEH_STATE_ENABLED; + phb->flags |= PNV_PHB_FLAG_EEH; return 0; } diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 95633d7..3955fc0 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -396,7 +396,7 @@ int pnv_pci_cfg_read(struct device_node *dn, if (phb_pe && (phb_pe->state & EEH_PE_ISOLATED)) return PCIBIOS_SUCCESSFUL; - if (phb->eeh_state & PNV_EEH_STATE_ENABLED) { + if (phb->flags & PNV_PHB_FLAG_EEH) { if (*val == EEH_IO_ERROR_VALUE(size) && eeh_dev_check_failure(of_node_to_eeh_dev(dn))) return PCIBIOS_DEVICE_NOT_FOUND; @@ -434,12 +434,8 @@ int pnv_pci_cfg_write(struct device_node *dn, } /* Check if the PHB got frozen due to an error (no response) */ -#ifdef CONFIG_EEH - if (!(phb->eeh_state & PNV_EEH_STATE_ENABLED)) + if (!(phb->flags & PNV_PHB_FLAG_EEH)) pnv_pci_config_check_eeh(phb, dn); -#else - pnv_pci_config_check_eeh(phb, dn); -#endif return PCIBIOS_SUCCESSFUL; } diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h index 6870f60..94e3495 100644 --- a/arch/powerpc/platforms/powernv/pci.h +++ b/arch/powerpc/platforms/powernv/pci.h @@ -81,24 +81,23 @@ struct pnv_eeh_ops { int (*configure_bridge)(struct eeh_pe *pe); int (*next_error)(struct eeh_pe **pe); }; - -#define PNV_EEH_STATE_ENABLED (1 << 0) /* EEH enabled */ - #endif /* CONFIG_EEH */ +#define PNV_PHB_FLAG_EEH (1 << 0) + struct pnv_phb { struct pci_controller *hose; enum pnv_phb_type type; enum pnv_phb_model model; u64 hub_id; u64 opal_id; + int flags; void __iomem *regs; int initialized; spinlock_t lock; #ifdef CONFIG_EEH struct pnv_eeh_ops *eeh_ops; - int eeh_state; #endif #ifdef CONFIG_DEBUG_FS