Date: Tue, 23 Jun 2009 07:01:43 GMT From: Alexander Motin <mav@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 164939 for review Message-ID: <200906230701.n5N71hRl049943@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=164939 Change 164939 by mav@mav_mavbook on 2009/06/23 07:01:13 Enable single vector MSI by default. Affected files ... .. //depot/projects/scottl-camlock/src/sys/dev/ahci/ahci.c#35 edit Differences ... ==== //depot/projects/scottl-camlock/src/sys/dev/ahci/ahci.c#35 (text+ko) ==== @@ -297,16 +297,17 @@ ahci_setup_interrupt(device_t dev) { struct ahci_controller *ctlr = device_get_softc(dev); - int i, msi = 0; + int i, msi = 1; /* Process hints. */ - if (resource_int_value(device_get_name(dev), - device_get_unit(dev), "msi", &i) == 0) { - if (i == 1) - msi = min(1, pci_msi_count(dev)); - else if (i > 1) - msi = pci_msi_count(dev); - } + resource_int_value(device_get_name(dev), + device_get_unit(dev), "msi", &msi); + if (msi < 0) + msi = 0; + else if (msi == 1) + msi = min(1, pci_msi_count(dev)); + else if (msi > 1) + msi = pci_msi_count(dev); /* Allocate MSI if needed/present. */ if (msi && pci_alloc_msi(dev, &msi) == 0) { ctlr->numirqs = msi;
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