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| author | Mark Brown <broonie@kernel.org> | 2016-02-10 18:20:48 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-02-10 18:20:48 +0000 |
| commit | 0e770f4e70e8221454854b962adc258b6035ecdd (patch) | |
| tree | db146cb0453047b334e6cc882fda74fd7cba3525 /drivers/firewire/ohci.c | |
| parent | a69ce65274ff1589bb64ea782a4178d7210da0bb (diff) | |
| parent | cd6f5814252060db2d38f57c602db33696c549c0 (diff) | |
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-androidlsk-v3.10-16.02-android
Diffstat (limited to 'drivers/firewire/ohci.c')
| -rw-r--r-- | drivers/firewire/ohci.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 0f3e3047e29c..14ca13a0698b 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -3670,6 +3670,11 @@ static int pci_probe(struct pci_dev *dev, reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0); ohci->it_context_support = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet); + /* JMicron JMB38x often shows 0 at first read, just ignore it */ + if (!ohci->it_context_support) { + ohci_notice(ohci, "overriding IsoXmitIntMask\n"); + ohci->it_context_support = 0xf; + } reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0); ohci->it_context_mask = ohci->it_context_support; ohci->n_it = hweight32(ohci->it_context_mask); |