From patchwork Fri Aug 9 20:27:07 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Petazzoni X-Patchwork-Id: 2842127 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D7EB9BF546 for ; Fri, 9 Aug 2013 20:27:35 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7BF902037D for ; Fri, 9 Aug 2013 20:27:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 513A82038C for ; Fri, 9 Aug 2013 20:27:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031053Ab3HIU1c (ORCPT ); Fri, 9 Aug 2013 16:27:32 -0400 Received: from top.free-electrons.com ([176.31.233.9]:46413 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1031049Ab3HIU13 (ORCPT ); Fri, 9 Aug 2013 16:27:29 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id 0EA666CE7; Fri, 9 Aug 2013 22:27:39 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost (unknown [37.161.232.130]) by mail.free-electrons.com (Postfix) with ESMTPSA id 34F996555; Fri, 9 Aug 2013 22:27:38 +0200 (CEST) From: Thomas Petazzoni To: Bjorn Helgaas , linux-pci@vger.kernel.org, Russell King , Benjamin Herrenschmidt , Rob Herring , Thomas Gleixner , Jason Cooper , Andrew Lunn , Gregory Clement Cc: Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, Maen Suleiman , Lior Amsalem , Thierry Reding , Paul Mackerras , linuxppc-dev@lists.ozlabs.org, Martin Schwidefsky , Heiko Carstens , linux390@de.ibm.com, linux-s390@vger.kernel.org, Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Tony Luck , Fenghua Yu , linux-ia64@vger.kernel.org, Ralf Baechle , linux-mips@linux-mips.org, "David S. Miller" , sparclinux@vger.kernel.org, Chris Metcalf Subject: [PATCHv9 02/10] PCI: remove ARCH_SUPPORTS_MSI kconfig option Date: Fri, 9 Aug 2013 22:27:07 +0200 Message-Id: <1376080035-29344-3-git-send-email-thomas.petazzoni@free-electrons.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1376080035-29344-1-git-send-email-thomas.petazzoni@free-electrons.com> References: <1376080035-29344-1-git-send-email-thomas.petazzoni@free-electrons.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Now that we have weak versions for each of the PCI MSI architecture functions, we can actually build the MSI support for all platforms, regardless of whether they provide or not architecture-specific versions of those functions. For this reason, the ARCH_SUPPORTS_MSI hidden kconfig boolean becomes useless, and this patch gets rid of it. Signed-off-by: Thomas Petazzoni Acked-by: Bjorn Helgaas Acked-by: Benjamin Herrenschmidt Tested-by: Daniel Price Tested-by: Thierry Reding Cc: Benjamin Herrenschmidt Cc: Paul Mackerras Cc: linuxppc-dev@lists.ozlabs.org Cc: Martin Schwidefsky Cc: Heiko Carstens Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Cc: Thomas Gleixner Cc: Ingo Molnar Cc: H. Peter Anvin Cc: x86@kernel.org Cc: Russell King Cc: Tony Luck Cc: Fenghua Yu Cc: linux-ia64@vger.kernel.org Cc: Ralf Baechle Cc: linux-mips@linux-mips.org Cc: David S. Miller Cc: sparclinux@vger.kernel.org Cc: Chris Metcalf --- arch/arm/Kconfig | 1 - arch/ia64/Kconfig | 1 - arch/mips/Kconfig | 2 -- arch/powerpc/Kconfig | 1 - arch/s390/Kconfig | 1 - arch/sparc/Kconfig | 1 - arch/tile/Kconfig | 1 - arch/x86/Kconfig | 1 - drivers/pci/Kconfig | 4 ---- 9 files changed, 13 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 37c0f4e..41b6c96 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -441,7 +441,6 @@ config ARCH_NETX config ARCH_IOP13XX bool "IOP13xx-based" depends on MMU - select ARCH_SUPPORTS_MSI select CPU_XSC3 select NEED_MACH_MEMORY_H select NEED_RET_TO_USER diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 5a768ad..098602b 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -9,7 +9,6 @@ config IA64 select PCI if (!IA64_HP_SIM) select ACPI if (!IA64_HP_SIM) select PM if (!IA64_HP_SIM) - select ARCH_SUPPORTS_MSI select HAVE_UNSTABLE_SCHED_CLOCK select HAVE_IDE select HAVE_OPROFILE diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c3abed3..01b5f5a 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -726,7 +726,6 @@ config CAVIUM_OCTEON_SOC select SYS_HAS_CPU_CAVIUM_OCTEON select SWAP_IO_SPACE select HW_HAS_PCI - select ARCH_SUPPORTS_MSI select ZONE_DMA32 select USB_ARCH_HAS_OHCI select USB_ARCH_HAS_EHCI @@ -762,7 +761,6 @@ config NLM_XLR_BOARD select CEVT_R4K select CSRC_R4K select IRQ_CPU - select ARCH_SUPPORTS_MSI select ZONE_DMA32 if 64BIT select SYNC_R4K select SYS_HAS_EARLY_PRINTK diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 3bf72cd..183a165 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -727,7 +727,6 @@ config PCI default y if !40x && !CPM2 && !8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON default PCI_QSPAN if !4xx && !CPM2 && 8xx - select ARCH_SUPPORTS_MSI select GENERIC_PCI_IOMAP help Find out whether your system includes a PCI bus. PCI is the name of diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 22f75b5..e9982a3 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -428,7 +428,6 @@ menuconfig PCI bool "PCI support" default n depends on 64BIT - select ARCH_SUPPORTS_MSI select PCI_MSI help Enable PCI support. diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index a00cbd3..1570ad2 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -52,7 +52,6 @@ config SPARC32 config SPARC64 def_bool 64BIT - select ARCH_SUPPORTS_MSI select HAVE_FUNCTION_TRACER select HAVE_FUNCTION_GRAPH_TRACER select HAVE_FUNCTION_GRAPH_FP_TEST diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index 24565a7..74dff90 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -380,7 +380,6 @@ config PCI select PCI_DOMAINS select GENERIC_PCI_IOMAP select TILE_GXIO_TRIO if TILEGX - select ARCH_SUPPORTS_MSI if TILEGX select PCI_MSI if TILEGX ---help--- Enable PCI root complex support, so PCIe endpoint devices can diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b32ebf9..5db62ef 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2014,7 +2014,6 @@ menu "Bus options (PCI etc.)" config PCI bool "PCI support" default y - select ARCH_SUPPORTS_MSI if (X86_LOCAL_APIC && X86_IO_APIC) ---help--- Find out whether you have a PCI motherboard. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 81944fb..b6a99f7 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -1,13 +1,9 @@ # # PCI configuration # -config ARCH_SUPPORTS_MSI - bool - config PCI_MSI bool "Message Signaled Interrupts (MSI and MSI-X)" depends on PCI - depends on ARCH_SUPPORTS_MSI help This allows device drivers to enable MSI (Message Signaled Interrupts). Message Signaled Interrupts enable a device to