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* MFp4: Add the ipend() method to the serdev I/F to allow umbrellamarcel2006-04-231-0/+15
| | | | | drivers to obtain pending interrupt status from subordinate drivers.
* Add scc(4), a driver for serial communications controllers. Thesemarcel2006-03-301-0/+79
controllers typically have multiple channels and support a number of serial communications protocols. The scc(4) driver is itself an umbrella driver that delegates the control over each channel and mode to a subordinate driver (like uart(4)). The scc(4) driver supports the Siemens SAB 82532 and the Zilog Z8530 and replaces puc(4) for these devices.
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