diff options
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-transaction.c | 84 |
1 files changed, 15 insertions, 69 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 87d69cddb231..b8f6db6a0494 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -1006,38 +1006,30 @@ static void handle_registers(struct fw_card *card, struct fw_request *request, unsigned long flags; switch (reg) { - case CSR_STATE_CLEAR: - if (tcode == TCODE_READ_QUADLET_REQUEST) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_STATE_CLEAR)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_STATE_CLEAR, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; - - case CSR_STATE_SET: - if (tcode == TCODE_READ_QUADLET_REQUEST) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_STATE_SET)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_STATE_SET, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; + case CSR_PRIORITY_BUDGET: + if (!card->priority_budget_implemented) { + rcode = RCODE_ADDRESS_ERROR; + break; + } + /* else fall through */ case CSR_NODE_IDS: /* * per IEEE 1394-2008 8.3.22.3, not IEEE 1394.1-2004 3.2.8 * and 9.6, but interoperable with IEEE 1394.1-2004 bridges */ + /* fall through */ + + case CSR_STATE_CLEAR: + case CSR_STATE_SET: + case CSR_CYCLE_TIME: + case CSR_BUS_TIME: + case CSR_BUSY_TIMEOUT: if (tcode == TCODE_READ_QUADLET_REQUEST) *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_NODE_IDS)); + read_csr_reg(card, reg)); else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_NODE_IDS, + card->driver->write_csr_reg(card, reg, be32_to_cpu(*data)); else rcode = RCODE_TYPE_ERROR; @@ -1078,52 +1070,6 @@ static void handle_registers(struct fw_card *card, struct fw_request *request, } break; - case CSR_CYCLE_TIME: - if (TCODE_IS_READ_REQUEST(tcode) && length == 4) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_CYCLE_TIME)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_CYCLE_TIME, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; - - case CSR_BUS_TIME: - if (tcode == TCODE_READ_QUADLET_REQUEST) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_BUS_TIME)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_BUS_TIME, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; - - case CSR_BUSY_TIMEOUT: - if (tcode == TCODE_READ_QUADLET_REQUEST) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_BUSY_TIMEOUT)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_BUSY_TIMEOUT, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; - - case CSR_PRIORITY_BUDGET: - if (!card->priority_budget_implemented) - rcode = RCODE_ADDRESS_ERROR; - else if (tcode == TCODE_READ_QUADLET_REQUEST) - *data = cpu_to_be32(card->driver-> - read_csr_reg(card, CSR_PRIORITY_BUDGET)); - else if (tcode == TCODE_WRITE_QUADLET_REQUEST) - card->driver->write_csr_reg(card, CSR_PRIORITY_BUDGET, - be32_to_cpu(*data)); - else - rcode = RCODE_TYPE_ERROR; - break; - case CSR_MAINT_UTILITY: if (tcode == TCODE_READ_QUADLET_REQUEST) *data = card->maint_utility_register; |