From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp06.au.ibm.com ([202.81.31.148]:45245 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751612AbaKBPl7 (ORCPT ); Sun, 2 Nov 2014 10:41:59 -0500 Received: from /spool/local by e23smtp06.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 3 Nov 2014 01:41:57 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id D167B357804C for ; Mon, 3 Nov 2014 02:41:55 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sA2Ffs2D37093604 for ; Mon, 3 Nov 2014 02:41:54 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sA2FfsgU028185 for ; Mon, 3 Nov 2014 02:41:55 +1100 From: Wei Yang To: bhelgaas@google.com, benh@au1.ibm.com, gwshan@linux.vnet.ibm.com, linux-pci@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Cc: Wei Yang Subject: [PATCH V9 07/18] powerpc/pci: Define pcibios_disable_device() on powerpc Date: Sun, 2 Nov 2014 23:41:23 +0800 Message-Id: <1414942894-17034-8-git-send-email-weiyang@linux.vnet.ibm.com> In-Reply-To: <1414942894-17034-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1414942894-17034-1-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 307347f..8242262 100644 --- a/arch/powerpc/include/asm/machdep.h +++ b/arch/powerpc/include/asm/machdep.h @@ -240,7 +240,10 @@ 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 399d813..17acfa7 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -1452,6 +1452,14 @@ 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