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@@ -817,12 +817,13 @@ handle_registers(struct fw_card *card, struct fw_request *request,
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int reg = offset & ~CSR_REGISTER_BASE;
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unsigned long long bus_time;
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__be32 *data = payload;
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+ int rcode = RCODE_COMPLETE;
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switch (reg) {
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case CSR_CYCLE_TIME:
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case CSR_BUS_TIME:
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if (!TCODE_IS_READ_REQUEST(tcode) || length != 4) {
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- fw_send_response(card, request, RCODE_TYPE_ERROR);
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+ rcode = RCODE_TYPE_ERROR;
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break;
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}
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@@ -831,7 +832,17 @@ handle_registers(struct fw_card *card, struct fw_request *request,
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*data = cpu_to_be32(bus_time);
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else
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*data = cpu_to_be32(bus_time >> 25);
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- fw_send_response(card, request, RCODE_COMPLETE);
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+ break;
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+
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+ case CSR_BROADCAST_CHANNEL:
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+ if (tcode == TCODE_READ_QUADLET_REQUEST)
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+ *data = cpu_to_be32(card->broadcast_channel);
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+ else if (tcode == TCODE_WRITE_QUADLET_REQUEST)
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+ card->broadcast_channel =
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+ (be32_to_cpu(*data) & BROADCAST_CHANNEL_VALID) |
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+ BROADCAST_CHANNEL_INITIAL;
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+ else
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+ rcode = RCODE_TYPE_ERROR;
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break;
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case CSR_BUS_MANAGER_ID:
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@@ -850,10 +861,13 @@ handle_registers(struct fw_card *card, struct fw_request *request,
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case CSR_BUSY_TIMEOUT:
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/* FIXME: Implement this. */
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+
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default:
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- fw_send_response(card, request, RCODE_ADDRESS_ERROR);
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+ rcode = RCODE_ADDRESS_ERROR;
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break;
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}
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+
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+ fw_send_response(card, request, rcode);
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}
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static struct fw_address_handler registers = {
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