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mfd: lpc_ich: Fix resource request for [mem 0x00000000]
The older southbridges supported by the lpc_ich driver do not provide memory-mapped space of the root complex. The driver correctly avoids computing the iomem address in this case, yet submits a zeroed resource request anyway (via mfd_add_devices()). Remove the iomem resource from the resource array submitted to the mfd core for the older southbridges. Acked-by: Aaron Sierra <asierra@xes-inc.com> Cc: Peter Tyser <ptyser@xes-inc.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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1 changed files with 4 additions and 1 deletions
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@ -830,7 +830,10 @@ static int __devinit lpc_ich_init_wdt(struct pci_dev *dev,
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* we have to read RCBA from PCI Config space 0xf0 and use
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* we have to read RCBA from PCI Config space 0xf0 and use
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* it as base. GCS = RCBA + ICH6_GCS(0x3410).
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* it as base. GCS = RCBA + ICH6_GCS(0x3410).
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*/
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*/
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if (lpc_chipset_info[id->driver_data].iTCO_version == 2) {
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if (lpc_chipset_info[id->driver_data].iTCO_version == 1) {
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/* Don't register iomem for TCO ver 1 */
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lpc_ich_cells[LPC_WDT].num_resources--;
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} else {
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pci_read_config_dword(dev, RCBABASE, &base_addr_cfg);
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pci_read_config_dword(dev, RCBABASE, &base_addr_cfg);
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base_addr = base_addr_cfg & 0xffffc000;
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base_addr = base_addr_cfg & 0xffffc000;
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if (!(base_addr_cfg & 1)) {
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if (!(base_addr_cfg & 1)) {
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