From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp01.in.ibm.com ([122.248.162.1]:60940 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758701AbaGXGWv (ORCPT ); Thu, 24 Jul 2014 02:22:51 -0400 Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 24 Jul 2014 11:52:49 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id 4F8391258061 for ; Thu, 24 Jul 2014 11:52:39 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s6O6OZpZ18874414 for ; Thu, 24 Jul 2014 11:54:35 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s6O6MhHJ010455 for ; Thu, 24 Jul 2014 11:52:44 +0530 From: Wei Yang To: linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, bhelgaas@google.com, benh@au1.ibm.com, gwshan@linux.vnet.ibm.com, yan@linux.vnet.ibm.com, qiudayu@linux.vnet.ibm.com Cc: Wei Yang Subject: [PATCH V7 06/17] powerpc/pci: Define pcibios_disable_device() on powerpc Date: Thu, 24 Jul 2014 14:22:16 +0800 Message-Id: <1406182947-11302-7-git-send-email-weiyang@linux.vnet.ibm.com> In-Reply-To: <1406182947-11302-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1406182947-11302-1-git-send-email-weiyang@linux.vnet.ibm.com> Sender: linux-pci-owner@vger.kernel.org List-ID: When driver remove a pci_dev, it will call pcibios_disable_device() which is platform dependent. This gives flexibility to platforms. This patch defines this weak function on powerpc architecture. Signed-off-by: Wei Yang --- arch/powerpc/include/asm/machdep.h | 5 ++++- arch/powerpc/kernel/pci-common.c | 8 ++++++++ 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h index f92b0b5..3909d1b 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -238,7 +238,10 @@ struct machdep_calls { /* Called when pci_enable_device() is called. Returns 0 to * allow assignment/enabling of the device. */ - int (*pcibios_enable_device_hook)(struct pci_dev *); + int (*pcibios_enable_device_hook)(struct pci_dev *); + + /* Called when pci_disable_device() is called. */ + void (*pcibios_disable_device_hook)(struct pci_dev *); /* Called after scan and before resource survey */ void (*pcibios_fixup_phb)(struct pci_controller *hose); diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index ee70f57..d38a330 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1457,6 +1457,14 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return pci_enable_resources(dev, mask); } +void pcibios_disable_device(struct pci_dev *dev) +{ + if (ppc_md.pcibios_disable_device_hook) + ppc_md.pcibios_disable_device_hook(dev); + + return; +} + resource_size_t pcibios_io_space_offset(struct pci_controller *hose) { return (unsigned long) hose->io_base_virt - _IO_BASE; -- 1.7.9.5