diff options
Diffstat (limited to 'drivers/firewire/ohci.c')
| -rw-r--r-- | drivers/firewire/ohci.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index a8093a9a3fc..a55fbbce9e7 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -1974,6 +1974,9 @@ static u32 ohci_read_csr_reg(struct fw_card *card, int csr_offset) struct fw_ohci *ohci = fw_ohci(card); switch (csr_offset) { + case CSR_NODE_IDS: + return reg_read(ohci, OHCI1394_NodeID) << 16; + case CSR_CYCLE_TIME: return get_cycle_time(ohci); @@ -1983,6 +1986,22 @@ static u32 ohci_read_csr_reg(struct fw_card *card, int csr_offset) } } +static void ohci_write_csr_reg(struct fw_card *card, int csr_offset, u32 value) +{ + struct fw_ohci *ohci = fw_ohci(card); + + switch (csr_offset) { + case CSR_NODE_IDS: + reg_write(ohci, OHCI1394_NodeID, value >> 16); + flush_writes(ohci); + break; + + default: + WARN_ON(1); + break; + } +} + static void copy_iso_headers(struct iso_context *ctx, void *p) { int i = ctx->header_length; @@ -2421,6 +2440,7 @@ static const struct fw_card_driver ohci_driver = { .cancel_packet = ohci_cancel_packet, .enable_phys_dma = ohci_enable_phys_dma, .read_csr_reg = ohci_read_csr_reg, + .write_csr_reg = ohci_write_csr_reg, .allocate_iso_context = ohci_allocate_iso_context, .free_iso_context = ohci_free_iso_context, |