From 27a2329f8235d6ce637463f5d83e98d760ef006e Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Thu, 10 Jun 2010 08:34:13 +0200 Subject: firewire: add CSR BUSY_TIMEOUT support Implement the BUSY_TIMEOUT register, which is required for nodes that support retries. Signed-off-by: Clemens Ladisch --- drivers/firewire/core-transaction.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'drivers/firewire/core-transaction.c') diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 2a390726fa76..8146133818dc 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -1115,6 +1115,17 @@ static void handle_registers(struct fw_card *card, struct fw_request *request, 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_BROADCAST_CHANNEL: if (tcode == TCODE_READ_QUADLET_REQUEST) *data = cpu_to_be32(card->broadcast_channel); @@ -1140,9 +1151,6 @@ static void handle_registers(struct fw_card *card, struct fw_request *request, BUG(); break; - case CSR_BUSY_TIMEOUT: - /* FIXME: Implement this. */ - default: rcode = RCODE_ADDRESS_ERROR; break; -- cgit v1.2.1