Author: adrian
Date: Sun Sep 9 20:13:11 2012
New Revision: 240287
URL: http://svn.freebsd.org/changeset/base/240287
Log:
MFC r238954 - Restore the PCI bridge configuration upon resume.
This allows my TI1510 cardbus/PCI bridge to work after a suspend/resume,
without having to unload/reload the cbb driver.
PR: kern/170058
Modified:
stable/9/sys/dev/pccbb/pccbb_pci.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/pccbb/pccbb_pci.c
==============================================================================
--- stable/9/sys/dev/pccbb/pccbb_pci.c Sun Sep 9 20:00:00 2012
(r240286)
+++ stable/9/sys/dev/pccbb/pccbb_pci.c Sun Sep 9 20:13:11 2012
(r240287)
@@ -465,6 +465,11 @@ cbb_chipinit(struct cbb_softc *sc)
if (pci_read_config(sc->dev, PCIR_LATTIMER, 1) < 0x20)
pci_write_config(sc->dev, PCIR_LATTIMER, 0x20, 1);
+ /* Restore bus configuration */
+ pci_write_config(sc->dev, PCIR_PRIBUS_2, sc->pribus, 1);
+ pci_write_config(sc->dev, PCIR_SECBUS_2, sc->secbus, 1);
+ pci_write_config(sc->dev, PCIR_SUBBUS_2, sc->subbus, 1);
+
/* Enable memory access */
PCI_MASK_CONFIG(sc->dev, PCIR_COMMAND,
| PCIM_CMD_MEMEN
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