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zephyriot / zep-jira14

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Add support in I2C shim driver for DMA transfer mode #402

Open nashif opened 8 years ago

nashif commented 8 years ago

Reported by Kuo-Lang Tseng:

Current I2C shim driver uses irq_transfer call from QMSI. QMSI driver supports DMA mode transfer too and using that mode can reduce interrupts and in some cases can be more efficient.

(Imported from Jira ZEP-452)

nashif commented 8 years ago

by Mark Linkmeyer:

Moving to 1.7 per review in the Execution Checkpoint meeting on 10/17.

nashif commented 7 years ago

by Kuo-Lang Tseng:

The shim to add the DMA support should use the new DMA API proposed here for adding DMA support: https://gerrit.zephyrproject.org/r/#/c/10489/ (GH-780)

nashif commented 7 years ago

by Mark Linkmeyer:

Fixing incorrect priority

nashif commented 7 years ago

by Qiu Peiyang:

This story has not been updated for a few days. Is this feature still needed for 1.7?

nashif commented 7 years ago

by Kuo-Lang Tseng:

Qiu Peiyang According to Sergio, this is not currently being worked on so unlikely it will be in for 1.7.