From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e7.ny.us.ibm.com (e7.ny.us.ibm.com [32.97.182.137]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3DD6F2C022C for ; Tue, 25 Feb 2014 16:38:11 +1100 (EST) Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 25 Feb 2014 00:38:09 -0500 Received: from b01cxnp23034.gho.pok.ibm.com (b01cxnp23034.gho.pok.ibm.com [9.57.198.29]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 09E726E8047 for ; Tue, 25 Feb 2014 00:38:00 -0500 (EST) Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by b01cxnp23034.gho.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s1P5c54j3211576 for ; Tue, 25 Feb 2014 05:38:05 GMT Received: from d01av04.pok.ibm.com (localhost [127.0.0.1]) by d01av04.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s1P5c4s6032229 for ; Tue, 25 Feb 2014 00:38:04 -0500 From: Gavin Shan To: linuxppc-dev@ozlabs.org Subject: [PATCH 3/9] powerpc/powernv: Move PNV_EEH_STATE_ENABLED around Date: Tue, 25 Feb 2014 13:37:44 +0800 Message-Id: <1393306670-17435-4-git-send-email-shangw@linux.vnet.ibm.com> In-Reply-To: <1393306670-17435-1-git-send-email-shangw@linux.vnet.ibm.com> References: <1393306670-17435-1-git-send-email-shangw@linux.vnet.ibm.com> Cc: Gavin Shan List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 -- 1.7.10.4