Date: Mon, 22 Jun 2009 20:08:07 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r194644 - head/sys/dev/pci Message-ID: <200906222008.n5MK87qh050928@svn.freebsd.org>
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Author: jhb Date: Mon Jun 22 20:08:06 2009 New Revision: 194644 URL: http://svn.freebsd.org/changeset/base/194644 Log: Enable MSI in the MSI capability registers any time that the first message in an MSI group is enabled, not just if the address/data pair are not initialized. Reported by: rnoland MFC after: 1 week Modified: head/sys/dev/pci/pci.c Modified: head/sys/dev/pci/pci.c ============================================================================== --- head/sys/dev/pci/pci.c Mon Jun 22 19:35:39 2009 (r194643) +++ head/sys/dev/pci/pci.c Mon Jun 22 20:08:06 2009 (r194644) @@ -2883,8 +2883,10 @@ pci_setup_intr(device_t dev, device_t ch goto bad; dinfo->cfg.msi.msi_addr = addr; dinfo->cfg.msi.msi_data = data; - pci_enable_msi(child, addr, data); } + if (dinfo->cfg.msi.msi_handlers == 0) + pci_enable_msi(child, dinfo->cfg.msi.msi_addr, + dinfo->cfg.msi.msi_data); dinfo->cfg.msi.msi_handlers++; } else { KASSERT(dinfo->cfg.msix.msix_alloc > 0,
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