diff options
Diffstat (limited to 'drivers/firewire')
-rw-r--r-- | drivers/firewire/fw-ohci.c | 14 | ||||
-rw-r--r-- | drivers/firewire/fw-ohci.h | 1 |
2 files changed, 11 insertions, 4 deletions
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index 92ff38f82d96..1f6f15f0dce2 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c | |||
@@ -1019,20 +1019,26 @@ static void bus_reset_tasklet(unsigned long data) | |||
1019 | ohci->node_id = reg & (OHCI1394_NodeID_busNumber | | 1019 | ohci->node_id = reg & (OHCI1394_NodeID_busNumber | |
1020 | OHCI1394_NodeID_nodeNumber); | 1020 | OHCI1394_NodeID_nodeNumber); |
1021 | 1021 | ||
1022 | reg = reg_read(ohci, OHCI1394_SelfIDCount); | ||
1023 | if (reg & OHCI1394_SelfIDCount_selfIDError) { | ||
1024 | fw_notify("inconsistent self IDs\n"); | ||
1025 | return; | ||
1026 | } | ||
1022 | /* | 1027 | /* |
1023 | * The count in the SelfIDCount register is the number of | 1028 | * The count in the SelfIDCount register is the number of |
1024 | * bytes in the self ID receive buffer. Since we also receive | 1029 | * bytes in the self ID receive buffer. Since we also receive |
1025 | * the inverted quadlets and a header quadlet, we shift one | 1030 | * the inverted quadlets and a header quadlet, we shift one |
1026 | * bit extra to get the actual number of self IDs. | 1031 | * bit extra to get the actual number of self IDs. |
1027 | */ | 1032 | */ |
1028 | 1033 | self_id_count = (reg >> 3) & 0x3ff; | |
1029 | self_id_count = (reg_read(ohci, OHCI1394_SelfIDCount) >> 3) & 0x3ff; | ||
1030 | generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; | 1034 | generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff; |
1031 | rmb(); | 1035 | rmb(); |
1032 | 1036 | ||
1033 | for (i = 1, j = 0; j < self_id_count; i += 2, j++) { | 1037 | for (i = 1, j = 0; j < self_id_count; i += 2, j++) { |
1034 | if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1]) | 1038 | if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1]) { |
1035 | fw_error("inconsistent self IDs\n"); | 1039 | fw_notify("inconsistent self IDs\n"); |
1040 | return; | ||
1041 | } | ||
1036 | ohci->self_id_buffer[j] = | 1042 | ohci->self_id_buffer[j] = |
1037 | cond_le32_to_cpu(ohci->self_id_cpu[i]); | 1043 | cond_le32_to_cpu(ohci->self_id_cpu[i]); |
1038 | } | 1044 | } |
diff --git a/drivers/firewire/fw-ohci.h b/drivers/firewire/fw-ohci.h index dec4f04e6b24..5754c6e9d595 100644 --- a/drivers/firewire/fw-ohci.h +++ b/drivers/firewire/fw-ohci.h | |||
@@ -30,6 +30,7 @@ | |||
30 | #define OHCI1394_HCControl_softReset 0x00010000 | 30 | #define OHCI1394_HCControl_softReset 0x00010000 |
31 | #define OHCI1394_SelfIDBuffer 0x064 | 31 | #define OHCI1394_SelfIDBuffer 0x064 |
32 | #define OHCI1394_SelfIDCount 0x068 | 32 | #define OHCI1394_SelfIDCount 0x068 |
33 | #define OHCI1394_SelfIDCount_selfIDError 0x80000000 | ||
33 | #define OHCI1394_IRMultiChanMaskHiSet 0x070 | 34 | #define OHCI1394_IRMultiChanMaskHiSet 0x070 |
34 | #define OHCI1394_IRMultiChanMaskHiClear 0x074 | 35 | #define OHCI1394_IRMultiChanMaskHiClear 0x074 |
35 | #define OHCI1394_IRMultiChanMaskLoSet 0x078 | 36 | #define OHCI1394_IRMultiChanMaskLoSet 0x078 |