On Wed, Jan 19 2011, Jamie Iles wrote:
>> @@ -38,9 +40,20 @@ struct msm_port {
>> struct uart_port uart;
>> char name[16];
>> struct clk *clk;
>> + struct clk *pclk;
>> unsigned int imr;
>> + unsigned int *gsbi_base;
>> + int is_dm;
>> + unsigned int old_snap_state;
>> };
>
> Out of interest, what does .is_dm mean? Is that obvious to someone who
> knows about msm?
It would be clear to people rather familiar with the chip, but I agree
it's probably not that clear of a name.
We have two UART blocks we use in the MSMs, the older one, supported by
this driver before this change, and a newer one that was designed to
work with our DMA engine (known as the Data Mover, or dm). This newer
UART can be used in a somewhat compatible manner when being used for
serial-port type operations.
I'm not sure what would be a better name for the flag, though. The
block is called UARTDM.
David
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