[RTEMS Project] #4591: BSP/Atsam: I2C driver doesn't return errors on NACK

[RTEMS trac]

#4591: BSP/Atsam: I2C driver doesn't return errors on NACK
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 Reporter:  Christian Mauderer  |       Owner:  Christian Mauderer
     Type:  defect              |      Status:  closed
 Priority:  normal              |   Milestone:
Component:  bsps                |     Version:  5
 Severity:  normal              |  Resolution:  fixed
 Keywords:                      |  Blocked By:
 Blocking:                      |
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Changes (by Christian Mauderer <christian.mauderer@…>):

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


Comment:

 In [changeset:"f7a204e3d7a501b629916a590571b163e85cf875/rtems"
 f7a204e/rtems]:
 {{{
 #!CommitTicketReference repository="rtems"
 revision="f7a204e3d7a501b629916a590571b163e85cf875"
 bsp/atsam/i2c: Add error return and fix edge cases

 The driver didn't return with an error on (for example) a NACK on the
 bus. This adds the expected error return. Due to the new case that a
 transfer can be interrupted on an error, there were some new edge cases.
 This patch therefore also fixes these edge cases by removing the
 transfer_state that more or less duplicated the interrupt states.

 Fixes #4591
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/4591#comment:2>
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