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firewire: replace get_features card driver hook

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by feature variables in the fw_card struct.  The hook appeared to be an
unnecessary abstraction in the card driver interface.

Cleaner would be to pass those feature flags as arguments to
fw_card_initialize() or fw_card_add(), but the FairnessControl register
is in the SCLK domain and may therefore not be accessible while Link
Power Status is off, i.e. before the card->driver->enable call from
fw_card_add().

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2010-06-12 20:30:21 +02:00
parent e847cc832b
commit db3c9cc105
5 changed files with 7 additions and 21 deletions
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3
include/linux/firewire.h
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@ -122,6 +122,9 @@ struct fw_card {
bool bm_abdicate; /* value of csr_abdicate before last bus reset */
bool csr_abdicate; /* visible in CSR STATE_CLEAR/SET registers */
bool priority_budget_implemented; /* controller feature */
bool broadcast_channel_auto_allocated; /* controller feature */
bool broadcast_channel_allocated;
u32 broadcast_channel;
__be32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];