| From | "Tomoya MORINAGA" <> | Subject | RE: [PATCH 22/36] serial: fix pch_uart kconfig & build | Date | Fri, 7 Jan 2011 09:21:43 +0900 |
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Hi Greg,
On Friday, January 07, 2011 7:23 AM, Greg Kroah-Hartman wrote: > Also, the help text says that the > driver enables & uses PCH_DMA, which is not enabled, so select that.
I think PCH_DMA is not always used when a user uses PCH_UART. Since overhead of DMA is not small, in case of low frequent communication, without DMA is better. Thus, I think "select PCH_DMA" is unnecessary
(Of course, the PCH_UART works both with/without PCH_DMA.)
----------------------------------------- Tomoya MORINAGA OKI SEMICONDUCTOR CO., LTD.
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