From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: [PATCH v2 21/22] tile/MSI: Use MSI chip framework to configure MSI/MSI-X irq Date: Thu, 25 Sep 2014 11:14:31 +0800 Message-ID: <1411614872-4009-22-git-send-email-wangyijing__23065.174642443$1411613679$gmane$org@huawei.com> References: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta4.messagelabs.com ([85.158.143.247]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XWzBf-0004xe-Pm for xen-devel@lists.xenproject.org; Thu, 25 Sep 2014 02:53:43 +0000 In-Reply-To: <1411614872-4009-1-git-send-email-wangyijing@huawei.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Bjorn Helgaas Cc: linux-mips@linux-mips.org, linux-ia64@vger.kernel.org, linux-pci@vger.kernel.org, Bharat.Bhushan@freescale.com, Yijing Wang , Thierry Reding , sparclinux@vger.kernel.org, linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Russell King , Michael Ellerman , Joerg Roedel , x86@kernel.org, Sebastian Ott , Benjamin Herrenschmidt , xen-devel@lists.xenproject.org, arnab.basu@freescale.com, Arnd Bergmann , Chris Metcalf , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Thomas Petazzoni , Xinwei Hu , Tony Luck , Sergei Shtylyov linux List-Id: xen-devel@lists.xenproject.org Use MSI chip framework instead of arch MSI functions to configure MSI/MSI-X irq. So we can manage MSI/MSI-X irq in a unified framework. Signed-off-by: Yijing Wang --- arch/tile/kernel/pci_gx.c | 14 ++++++++++++-- 1 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/tile/kernel/pci_gx.c b/arch/tile/kernel/pci_gx.c index e39f9c5..4912b75 100644 --- a/arch/tile/kernel/pci_gx.c +++ b/arch/tile/kernel/pci_gx.c @@ -1485,7 +1485,7 @@ static struct irq_chip tilegx_msi_chip = { /* TBD: support set_affinity. */ }; -int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) +static int tile_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { struct pci_controller *controller; gxio_trio_context_t *trio_context; @@ -1604,7 +1604,17 @@ is_64_failure: return ret; } -void arch_teardown_msi_irq(unsigned int irq) +void tile_teardown_msi_irq(unsigned int irq) { irq_free_hwirq(irq); } + +static struct msi_chip tile_msi_chip = { + .setup_irq = tile_setup_msi_irq, + .teardown_irq = tile_teardown_msi_irq, +}; + +struct msi_chip *arch_find_msi_chip(struct pci_dev *dev) +{ + return &tile_msi_chip; +} -- 1.7.1