Re: [PATCH 00/06] serial8250: DLL/DLM rework, Emma Mobile UARTdriver

From: Alan Cox
Date: Wed May 02 2012 - 09:01:01 EST


On Wed, 02 May 2012 21:46:42 +0900
Magnus Damm <magnus.damm@xxxxxxxxx> wrote:

> serial8250: DLL/DLM rework, Emma Mobile UART driver
>
> [PATCH 01/06] serial8250: Add dl_read()/dl_write() callbacks
> [PATCH 02/06] serial8250: Use dl_read()/dl_write() on Alchemy
> [PATCH 03/06] serial8250: Use dl_read()/dl_write() on RM9K
> [PATCH 04/06] serial8250: Clean up default map and dl code
> [PATCH 05/06] serial8250: Introduce serial8250_register_8250_port()
> [PATCH 06/06] serial8250-em: Add Emma Mobile UART driver
>
> This series cleans up and adjusts the 8250 code base to allow
> hooking in a driver for the UART in Emma Mobile SoCs.
>
> In short:
> - Patch 1-4 tie in 8250-specific dl_read()/dl_write() callbacks.
> - Patch 5 adds a new register function to use new callbacks.
> - Patch 6 adds a new driver that makes use of the above.
>
> I'd be happy to rework the above patches if needed. The
> main challenge for Emma Mobile UART support is the non-
> standard offsets for DLL and DLM registers.
>
> Note that there is no DT support included at this point,
> but it boils down to a 10 line change. The boot loader on
> my board does not do DT so I'd like to use kexec for DT
> development (as usual), but to use kexec I first need to
> get a non-DT kernel working. Which is basically this. =)
>
> Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>

Acked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
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