[RTEMS Project] #3173: XIlinx AXI I2C driver IP race condition causes clock glitch.

[RTEMS trac]

#3173: XIlinx AXI I2C driver IP race condition causes clock glitch.
----------------------------+--------------------------
 Reporter:  Chris Johns     |       Owner:  Chris Johns
     Type:  defect          |      Status:  closed
 Priority:  normal          |   Milestone:  5.1
Component:  arch/arm        |     Version:  5
 Severity:  normal          |  Resolution:  fixed
 Keywords:  I2C XIlinx AXI  |
----------------------------+--------------------------
Changes (by Chris Johns <chrisj@…>):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 In [changeset:"05015dc1886d08e9f9f3ed453688c52cebd4cc3f/rtems"
 05015dc1/rtems]:
 {{{
 #!CommitTicketReference repository="rtems"
 revision="05015dc1886d08e9f9f3ed453688c52cebd4cc3f"
 Xilinx AXI I2C driver IP race condition causes clock glitch.

 Setting the PIRQ to 0 before reading the data produces a short clock
 pulse.
 Moving the write to after reading the data fixes the issue.

 Close #3173
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/3173#comment:3>
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