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author | des <des@FreeBSD.org> | 2009-09-25 22:45:59 +0000 |
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committer | des <des@FreeBSD.org> | 2009-09-25 22:45:59 +0000 |
commit | bf5117185e83a178d672946c3f7053d0ef92be27 (patch) | |
tree | 394fcfe01b613c0b5b5edbfc414a17c73481ad5d /sys/dev/pci/pci.c | |
parent | b79ff8160af6fa640e29ce784e59acd49cd1e7fc (diff) | |
parent | 5c2742e3dae3ef549329b770ec44b16ca930dc1f (diff) | |
download | FreeBSD-src-bf5117185e83a178d672946c3f7053d0ef92be27.zip FreeBSD-src-bf5117185e83a178d672946c3f7053d0ef92be27.tar.gz |
Sync with head
Diffstat (limited to 'sys/dev/pci/pci.c')
-rw-r--r-- | sys/dev/pci/pci.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c index 0b7b267..47aedbd 100644 --- a/sys/dev/pci/pci.c +++ b/sys/dev/pci/pci.c @@ -2149,62 +2149,38 @@ pci_disable_busmaster_method(device_t dev, device_t child) int pci_enable_io_method(device_t dev, device_t child, int space) { - uint16_t command; uint16_t bit; - char *error; - - bit = 0; - error = NULL; switch(space) { case SYS_RES_IOPORT: bit = PCIM_CMD_PORTEN; - error = "port"; break; case SYS_RES_MEMORY: bit = PCIM_CMD_MEMEN; - error = "memory"; break; default: return (EINVAL); } pci_set_command_bit(dev, child, bit); - /* Some devices seem to need a brief stall here, what do to? */ - command = PCI_READ_CONFIG(dev, child, PCIR_COMMAND, 2); - if (command & bit) - return (0); - device_printf(child, "failed to enable %s mapping!\n", error); - return (ENXIO); + return (0); } int pci_disable_io_method(device_t dev, device_t child, int space) { - uint16_t command; uint16_t bit; - char *error; - - bit = 0; - error = NULL; switch(space) { case SYS_RES_IOPORT: bit = PCIM_CMD_PORTEN; - error = "port"; break; case SYS_RES_MEMORY: bit = PCIM_CMD_MEMEN; - error = "memory"; break; default: return (EINVAL); } pci_clear_command_bit(dev, child, bit); - command = PCI_READ_CONFIG(dev, child, PCIR_COMMAND, 2); - if (command & bit) { - device_printf(child, "failed to disable %s mapping!\n", error); - return (ENXIO); - } return (0); } |