[PATCH v3 01/12] misc: add driver for sequencer serial port

Cyril Chemparathy cyril at ti.com
Fri Oct 22 15:03:38 EDT 2010


On 10/22/2010 10:20 AM, Alan Cox wrote:
> On Thu, 21 Oct 2010 17:01:02 -0400
> Cyril Chemparathy <cyril at ti.com> wrote:
> 
>> TI's sequencer serial port (TI-SSP) is a jack-of-all-trades type of serial port
>> device.  It has a built-in programmable execution engine that can be programmed
>> to operate as almost any serial bus (I2C, SPI, EasyScale, and others).
>>
>> This patch adds a driver for this controller device.  The driver does not
>> expose a user-land interface.  Protocol drivers built on top of this layer are
>> expected to remain in-kernel.
> 
> I suspect the driver belongs with the mfd drivers not with drivers/misc ?
> 
> otherwise it looks very nice.

Unlike MFDs, this device doesn't have cells with differing
functionality.  Instead it has functionally identical ports that can
operate in a variety of modes.  That said, does this still fit in with
other MFD drivers?  If so, I don't see a problem with moving it there.

Thanks
Cyril.



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