[RTEMS Project] #4038: arm/atsam/SC16IS752: Make interrupt server configurable

[RTEMS trac]

#4038: arm/atsam/SC16IS752: Make interrupt server configurable
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  Reporter:  Sebastian Huber  |      Owner:  Sebastian Huber
      Type:  enhancement      |     Status:  assigned
  Priority:  normal           |  Milestone:  5.1
 Component:  arch/arm         |    Version:  5
  Severity:  normal           |   Keywords:
Blocked By:                   |   Blocking:
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 The external UART over SPI device SC16IS752 uses the interrupt server for
 interrupt processing. The interrupt server is also heavily used by libbsd.
 The interrupt processing for the SC16IS752 is time critical and doesn't
 work if network traffic is processed at the same priority. With #4033
 custom interrupt servers are available. Change
 atsam_sc16is752_spi_create() to support user-defined interrupt servers.
 Introduced atsam_sc16is752_spi_config to cut down the argument count of
 this function.

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Ticket URL: <http://devel.rtems.org/ticket/4038>
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