[PATCH v2 10/10] drivers: PL011: add support for the ARM SBSA generic UART

Russell King - ARM Linux linux at arm.linux.org.uk
Thu Mar 12 06:49:21 PDT 2015

On Thu, Mar 12, 2015 at 01:43:17PM +0000, Andre Przywara wrote:
> Hi Russel,
> thanks a lot for looking at the patches!
> On 12/03/15 10:52, Russell King - ARM Linux wrote:
> > On Wed, Mar 04, 2015 at 05:59:54PM +0000, Andre Przywara wrote:
> >> +module_platform_driver(arm_sbsa_uart_platform_driver);
> > 
> > No need to open code the initialisation, rather than using the
> > module_*_driver() helper macros to avoid the problem which Dave mentioned.
> > 
> > These macros are only there to avoid having to write out the same boiler
> > plate in loads of simple drivers.  As soon as a driver has more than one
> > device driver structure in it, it needs to be open coded.
> Actually I prepared this already for the ACPI guys, which want to stuff
> their ACPI table match function in there - I think then we need the open
> coded version. So if you don't mind too much, I'd like to keep it like
> this and hope for someone to actually use it ;-)

Either your statement is ambiguous, or I'm not understanding you.

You can't "keep it like this" where "this" is the above code.  The
above will fail if the driver is built as a module, and cause a build
time error.  That is not acceptable.

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