From mboxrd@z Thu Jan 1 00:00:00 1970 From: tglx@linutronix.de (Thomas Gleixner) Date: Tue, 21 Jul 2015 10:31:29 +0200 (CEST) Subject: [RFC Patch V1 00/12] Reorganize struct msi_desc to prepare for support of generic MSI In-Reply-To: <1436428847-8886-1-git-send-email-jiang.liu@linux.intel.com> References: <1436428847-8886-1-git-send-email-jiang.liu@linux.intel.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, 9 Jul 2015, Jiang Liu wrote: > Recently Marc Zyngier has posted a patch set at > https://lkml.org/lkml/2015/7/7/712 > to enhance PCI MSI code to support generic MSI. > > This is a companion patch set to refine struct msi_desc and related data > structures to support generic MSI, and it would be better to combined with > Marc's patch set. It's also requested by > Stuart Yoder > > It first introduces a helper function msi_desc_to_pci_sysdata(), and > convert current PCI drivers to use helper functions to access fields > in struct msi_desc. > Then it moves msi_list from struct pci_dev into struct device and > refines struct msi_desc. > At last it moves alloc_msi_entry() into kernel/irq/msi.c for reuse. > > Currently msi_desc_to_pci_sysdata() and msi_desc_to_pci_dev() are > implemented as normal functions instead of inlines to avoid header file > inclusion issue. If inlined version is preferred for performance, we could > move all of first_pci_msi_entry, for_each_pci_msi_entry, msi_desc_to_pci_dev > and msi_desc_to_pci_sysdata from linxu/kernel/msi.h into linux/kernel/pci.h. > > This patch set is based on v4.2-rc1 and passes 0day test suite. You > may access the code at: > https://github.com/jiangliu/linux.git msi_desc_v1 Bjorn, this patch series is a prerequisite for proper support of non-pci based MSI. If there are no objections from your side, I'd like to move it through the irq tree so we can build the non-pci MSI stuff on top. Thanks, tglx