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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-03-19 09:38:50 +0300 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-03-19 09:38:50 +0300 |
| commit | 97eb3f24352ec6632c2127b35d8087d2a809a9b9 (patch) | |
| tree | 722948059bbd325bbca232269490124231df80d4 /drivers/ssb/pcihost_wrapper.c | |
| parent | 439581ec07fa9cf3f519dd461a2cf41cfd3adcb4 (diff) | |
| parent | def179c271ac9b5020deca798470521f14d11edd (diff) | |
| download | linux-97eb3f24352ec6632c2127b35d8087d2a809a9b9.tar.xz | |
Merge branch 'next' into for-linus
Diffstat (limited to 'drivers/ssb/pcihost_wrapper.c')
| -rw-r--r-- | drivers/ssb/pcihost_wrapper.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/ssb/pcihost_wrapper.c b/drivers/ssb/pcihost_wrapper.c index 6536a041d90d..f6c8c81a0025 100644 --- a/drivers/ssb/pcihost_wrapper.c +++ b/drivers/ssb/pcihost_wrapper.c @@ -59,6 +59,7 @@ static int ssb_pcihost_probe(struct pci_dev *dev, struct ssb_bus *ssb; int err = -ENOMEM; const char *name; + u32 val; ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); if (!ssb) @@ -74,6 +75,12 @@ static int ssb_pcihost_probe(struct pci_dev *dev, goto err_pci_disable; pci_set_master(dev); + /* Disable the RETRY_TIMEOUT register (0x41) to keep + * PCI Tx retries from interfering with C3 CPU state */ + pci_read_config_dword(dev, 0x40, &val); + if ((val & 0x0000ff00) != 0) + pci_write_config_dword(dev, 0x40, val & 0xffff00ff); + err = ssb_bus_pcibus_register(ssb, dev); if (err) goto err_pci_release_regions; |