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- feed GUIDs of FireWire nodes to the random pool

Browse source 
- more complete quirk handling of a TI S400B phy
   - avoid holding a core lock while calling into highlevel drivers
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Stefan Richter:
  - feed GUIDs of FireWire nodes to the random pool
  - more complete quirk handling of a TI S400B phy
  - avoid holding a core lock while calling into highlevel drivers

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: addendum to address handler RCU conversion
  firewire: remove global lock around address handlers, convert to RCU
  firewire: ohci: get IR bit from TSB41BA3D phy
  firewire: core: feed /dev/random with devices' GUIDs
This commit is contained in:
Linus Torvalds 2012-10-03 13:55:12 -07:00
commit df5a2a1fbc
4 changed files with 59 additions and 17 deletions
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12
include/linux/firewire.h
View file

@ -265,8 +265,16 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
void *data, size_t length,
void *callback_data);
/*
* Important note: Except for the FCP registers, the callback must guarantee
* that either fw_send_response() or kfree() is called on the @request.
* This callback handles an inbound request subaction. It is called in
* RCU read-side context, therefore must not sleep.
*
* The callback should not initiate outbound request subactions directly.
* Otherwise there is a danger of recursion of inbound and outbound
* transactions from and to the local node.
*
* The callback is responsible that either fw_send_response() or kfree()
* is called on the @request, except for FCP registers for which the core
* takes care of that.
*/
typedef void (*fw_address_callback_t)(struct fw_card *card,
struct fw_request *request,